10-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-K

(Mark One)

R ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE FISCAL YEAR ENDED SEPTEMBER 30, 2015

£TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission file number 001-16445

Rockwell Collins, Inc.

(Exact name of registrant as specified in its charter)

Delaware	52-2314475
(State or other jurisdiction	(I.R.S. Employer
of incorporation or organization)	Identification No.)
400 Collins Road NE
Cedar Rapids, Iowa	52498
(Address of principal executive offices)	(Zip Code)

Registrant's telephone number, including area code: (319) 295-1000

SECURITIES REGISTERED PURSUANT TO SECTION 12(b) OF THE ACT:
Title of each class	Name of each exchange on which registered
Common Stock, par value $.01 per share	New York Stock Exchange
SECURITIES REGISTERED PURSUANT TO SECTION 12(g) OF THE ACT: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ý    No o

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d) of the Act. Yes o No ý

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulations S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes ý No o

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of the registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. ý

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer or a smaller reporting company. See the definitions of "large accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):

Large accelerated filer R		Accelerated filer £
Non-accelerated filer  £	(Do not check if a smaller reporting company)	Smaller reporting company £

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes £ No  R

The aggregate market value of the registrant's voting stock held by non-affiliates of the registrant on April 3, 2015 was approximately $12.65 billion. For purposes of this calculation, the registrant has assumed that its directors and executive officers are affiliates.

131,444,668 shares of the registrant's Common Stock were outstanding on November 2, 2015.

DOCUMENTS INCORPORATED BY REFERENCE

Certain information contained in the Proxy Statement for the Annual Meeting of Shareowners of the registrant to be held on February 4, 2016 is incorporated by reference into Part III.

ROCKWELL COLLINS, INC.

Annual Report on Form 10-K

Table of contents

			Page No.
PART I
	Item 1.	Business	1
	Item 1A.	Risk Factors	9
	Item 1B.	Unresolved Staff Comments	13
	Item 2.	Properties	13
	Item 3.	Legal Proceedings	14
	Item 4.	Mine Safety Disclosures	15
	Item 4A.	Executive Officers of the Company	15
PART II
	Item 5.	Market for the Company's Common Equity, Related Stockholder Matters and Company Purchases of Equity Securities	16
	Item 6.	Selected Financial Data	17
	Item 7.	Management's Discussion and Analysis of Financial Condition and Results of Operations	18
	Item 7A.	Quantitative and Qualitative Disclosures About Market Risk	47
	Item 8.	Financial Statements and Supplementary Data	49
	Item 9.	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	98
	Item 9A.	Controls and Procedures	99
	Item 9B.	Other Information	101
PART III
	Item 10.	Directors, Executive Officers and Corporate Governance	101
	Item 11.	Executive Compensation	101
	Item 12.	Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters	101
	Item 13.	Certain Relationships and Related Transactions, and Director Independence	102
	Item 14.	Principal Accounting Fees and Services	102
PART IV
	Item 15.	Exhibits and Financial Statement Schedules	103
SIGNATURES			S-1
EXHIBIT INDEX			S-2

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PART I

Item 1. Business.

General

Rockwell Collins, Inc. designs, produces and supports communications and aviation systems for commercial and military customers and provides information management services through voice and data communication networks and solutions worldwide. The integrated system solutions and products we provide to our served markets are oriented around a set of core competencies: communications, navigation, automated flight control, displays/surveillance, simulation and training, integrated electronics and information management systems. We also provide a wide range of services and support to our customers through a worldwide network of service centers, including equipment repair and overhaul, service parts, field service engineering, training, technical information services and aftermarket used equipment sales. The structure of our business allows us to leverage these core competencies across markets and applications to bring high value solutions to customers. We operate in multiple countries and are headquartered in Cedar Rapids, Iowa.

Our Company's heritage is rooted in the Collins Radio Company, established in 1933. Rockwell Collins, Inc., the parent company, is incorporated in Delaware. As used herein, the terms "we", "us", "our", "Rockwell Collins" or the "Company" include subsidiaries and predecessors unless the context indicates otherwise.

Whenever reference is made in any Item of this Annual Report on Form 10-K to information under specific captions of our 2015 Annual Report to Shareowners (2015 Annual Report) or to information in our Proxy Statement for the Annual Meeting of Shareowners to be held on February 4, 2016 (2016 Proxy Statement), such information shall be deemed to be incorporated herein by such reference.

All date references contained herein relate to our fiscal year ending on the Friday closest to September 30 unless otherwise stated. For ease of presentation, September 30 is utilized consistently throughout this report to represent the fiscal year end date. Fiscal year 2014 was a 53-week fiscal year, while 2015 and 2013 were 52-week fiscal years.

Financial Information About Our Business Segments

Financial information with respect to our business segments, including product line disclosures, revenues, operating earnings and total assets, is contained under the caption Segment Financial Results in Management's Discussion and Analysis of Financial Condition and Results of Operations in Item 7 below and in Note 23 of the Notes to Consolidated Financial Statements in Item 8 below.

Access to the Company's Reports and Governance Information

We maintain an internet website at www.rockwellcollins.com. Our Annual Reports on Form 10-K, quarterly reports on Form  10-Q, current reports on Form 8-K and amendments to such reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, are available free of charge on this site as soon as reasonably practicable after the reports are filed with or furnished to the Securities and Exchange Commission (SEC). All reports we file with the SEC are also available free of charge via EDGAR through the SEC website at www.sec.gov. We also post corporate governance information (including our corporate governance guidelines and Board committee charters) and other information related to our Company on our internet website where it is available free of charge. We will provide, without charge, upon written request, copies of our SEC reports and corporate governance information. Our internet website and the information contained therein or connected thereto are not incorporated into this Annual Report on Form 10-K.

Description of Business by Segment

We serve a worldwide customer base through our Commercial Systems, Government Systems and Information Management Services business segments. These three segments are described in detail below.

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Commercial Systems

Our Commercial Systems business supplies aviation electronics systems, products and services to customers located throughout the world. The customer base is comprised of original equipment manufacturers (OEMs) of commercial air transport, business and regional aircraft, commercial airlines and business aircraft operators. Our systems and products are used in both OEM applications as well as in retrofit and upgrade applications designed to increase the efficiency and enhance the value of existing aircraft.

Our commercial aviation electronics systems, products and services include:

• integrated avionics systems, such as Pro Line Fusion®, which provide advanced avionics capabilities to meet the challenges of operating in the next generation global airspace. Capabilities include synthetic and enhanced vision enabled flight displays, advanced flight and performance management systems, fly-by-wire integrated flight controls and information management solutions to improve operational efficiency

• integrated cabin electronics systems, including cabin management systems, passenger connectivity and entertainment solutions, business support systems to improve passenger productivity and passenger flight information systems

• communications systems and products, such as data link, high frequency (HF), very high frequency (VHF) and satellite communications systems

• navigation systems and products, including landing sensors to enable fully automatic landings, radio navigation and geophysical sensors, as well as flight management systems

• situational awareness and surveillance systems and products, such as synthetic and enhanced vision systems, surface surveillance and guidance solutions, head-up guidance systems, weather radar and collision avoidance systems

• electro-mechanical systems, including integrated pilot control solutions and primary and secondary actuation systems

• simulation and training systems, including full-flight simulators for crew training, visual system products, training systems and engineering services

• maintenance, repair, parts, after-sales support services and aftermarket used equipment

Commercial Systems sales are categorized into air transport aviation electronics and business and regional aviation electronics. Product category sales are delineated based upon the difference in the underlying customer base, size of aircraft and markets served.

Air transport aviation electronics include avionics, cabin systems and flight control systems for large commercial transport aircraft platforms. We design these items as sub-systems and work with OEMs to integrate with other suppliers' products into the flight deck and broader aircraft systems. Our products offered for OEM applications in the air transport category are marketed directly to aircraft OEMs and airline operators, while our products offered for aftermarket applications are primarily marketed to the airline operators.

Business and regional aviation electronics include integrated avionics, cabin management and flight control systems for application on regional and business aircraft platforms. We develop integrated avionics, cabin and flight control solutions for business and regional aircraft OEMs and support them with the integration into other aircraft systems. Products offered for OEM applications in the business and regional aircraft category are marketed directly to the aircraft OEMs. Products offered for aftermarket applications are primarily marketed through distributors for business aviation and directly to regional airline operators.

2

Government Systems

Our Government Systems business provides a broad range of electronic products, systems and services to customers including the U.S. Department of Defense, other ministries of defense, other government agencies and defense contractors around the world. Our defense electronic solutions are designed to meet a wide range of customer requirements, but tend to share certain characteristics including design for rugged environments for use in size, weight and power constrained applications. These applications also typically have stringent product integrity and certification requirements with a high degree of customer oversight. These products, systems and services support airborne, precision weapon, ground and maritime applications on new equipment as well as in retrofit and upgrade applications designed to extend the service life and enhance the capability of existing aircraft, vehicle and weapon platforms.

Our defense-related systems, products and services include:

• communications systems and products designed to enable the transmission of information across the communications spectrum

• navigation products and systems, including radio navigation products, global positioning system (GPS) equipment, handheld navigation devices and multi-mode receivers

• avionics sub-systems for aircraft flight decks, including cockpit display products (multipurpose flat panel head-down displays, wide field of view head-up and helmet-mounted displays), flight controls, information/data processing and communications, navigation, safety and surveillance systems

• precision targeting, electronic warfare and range and training systems

• simulation and training systems, including visual system products, training systems and services

• maintenance, repair, parts, after-sales support services and aftermarket used equipment

Government Systems sales are categorized into avionics, communication products, surface solutions and navigation products. Product category sales are delineated based upon the difference in the underlying product technologies.

Avionics consists of electronic solutions for a broad range of airborne platforms including fixed wing aircraft and military and civil rotary wing aircraft, unmanned aerial systems (UASs) and the associated aircrew and maintenance training devices and services. We provide complete avionics solutions, including cockpit avionics, mission system applications and system integration, and also provide individual avionics products to platform integrators. We serve various roles within these markets including system and sub-systems integrator as well as provider of various electronic products. For the UAS market we provide cost effective, high performance integrated flight control, navigation, communication and sensor capabilities. Simulation and training solutions are provided for both fixed and rotary wing aircraft.

Communication products include full spectrum voice and data connectivity for government and military use in the air, on the ground and at sea. The products support military user requirements for high availability, highly secure, jam resistant wireless communication capability. Products include radio communication, data links and networking devices.

Surface solutions include electronic systems applied to a variety of market segments. Within this category we provide electronic warfare, precision targeting, range and training and surface-based networked communication systems.

Navigation products are primarily comprised of GPS-based products delivered for precision navigation applications including handheld navigation devices, precision-guided weapons and other embedded GPS applications.

Information Management Services

Our Information Management Services business was formed with the December 2013 acquisition of ARINC Incorporated (ARINC) and provides communications services, systems integration and security solutions across the aviation, airport, rail, transit and nuclear security markets to customers located around the world. The customer base includes commercial airlines, business aircraft operators, the U.S. Federal Aviation Administration (FAA), airport and critical infrastructure operators and major passenger and freight railroads.

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Our information management services include:

• voice and data communication services, such as air-to-ground GLOBALink^SM and ground-to-ground AviNet® services, which enable satellite, VHF and HF transmissions between the cockpit, the FAA, airline operation centers, reservation systems and other third parties ensuring safety and efficiency for commercial airlines and other related entities in the aviation ecosystem

• around the clock global flight support services for business aircraft operators, under the ARINCDirect^SM brand, including flight planning and datalink, international trip support, cabin connectivity solutions and flight operations management software

• airport communications and information systems designed to ease congestion and improve airport efficiency via airline agent and passenger-facing check-in, baggage, boarding and access control solutions

• train dispatching and information systems including solutions to support positive train control as mandated by the 2008 Railroad Safety Improvement Act

• mission critical security command and control systems with security functions such as intrusion detection, access control, video and credential management and vehicle identification for nuclear power facilities

• backup communications services for North American first responders and critical infrastructure, newly launched as UrgentLink^TM, which improve communications performance during natural and man-made emergency situations

Customers, Sales and Marketing

We serve a broad range of customers worldwide, including the U.S. Department of Defense, U.S. Coast Guard, civil agencies, airports, defense contractors, foreign ministries of defense, manufacturers of commercial air transport, business and regional aircraft, commercial airlines, fractional and other business jet operators, the FAA, critical infrastructure operators and major passenger and freight railroads. We market our systems, products and services directly to Commercial Systems, Government Systems and Information Management Services customers through an internal marketing and sales force. In addition, we utilize a worldwide dealer network to distribute our products and international sales representatives to assist with international sales and marketing. In 2015, various branches of the U.S. Government, both directly and indirectly through subcontracts, accounted for 29 percent of our total sales.

Our largest customers have substantial bargaining power with respect to price and other commercial terms. Although we believe that we generally enjoy good relations with our customers, the loss of all or a substantial portion of our sales to any of our large volume customers for any reason, including the loss of contracts, bankruptcy, reduced or delayed customer requirements, strikes or other work stoppages affecting production by these customers, could have a material adverse effect on our business, financial condition, results of operations and cash flows.

Competition

We operate in a highly competitive environment. Principal competitive factors include total cost of ownership, product and system performance, network coverage, quality, service, warranty and indemnification terms, technology, design engineering capabilities, new product innovation and timely delivery. We compete worldwide with a number of U.S. and non-U.S. companies in each of our Commercial Systems, Government Systems and Information Management Services businesses. Many of these competitors are also our suppliers or customers on our programs. Some of our principal competitors include Honeywell International, Inc.; Thales S.A.; Panasonic; Raytheon Co.; Harris Corp.; BAE Systems Aerospace, Inc.; General Dynamics Corporation; L3 Communications, Inc.; The Boeing Company; Northrop Grumman Corp.; CAE Inc.; General Electric Co., Garmin International Inc.; SITA; Esterline Technologies Corp.; Elbit Systems Ltd. and FlightSafety International. Several of our competitors are significantly larger than we are in terms of resources and market share, and can offer a broader range of products. Some of our competitors have more extensive or more specialized engineering, manufacturing and marketing capabilities than we do in some areas. In addition, some of our competitors offer avionics and communications solutions with fewer features and lower prices that may compete with our solutions. As a result, these competitors may be able to adapt more quickly to new or emerging technologies and changes in customer requirements or may be able to devote greater resources to the development, promotion and sale of their products. Furthermore, competitors who have greater financial resources may be better able to provide a broader range of financing alternatives to their customers in connection with sales of their products. We believe, however, that our systems, products and services are well positioned to compete in our served markets.

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Industry consolidation has had a major impact on the competitive environment in which we operate. Our competitors periodically undertake mergers, alliances and realignments that contribute to a dynamic competitive landscape. We have contributed to this changing landscape in the past three years by completing a significant acquisition (ARINC), two smaller acquisitions and several strategic alliances to improve our competitive position and expand our market reach.

Raw Materials, Supplies and Working Capital

We believe we have adequate sources for the supply of raw materials and components for our manufacturing and service needs with suppliers located around the world. Electronic components and other raw materials used in the manufacturing of our products are generally available from several suppliers. We continue to work with our supply base for raw materials and components to ensure an adequate source of supply, utilizing strategic alliances, dual sourcing, identification of substitute or alternate parts that meet performance requirements and life-time buys. These life-time buys involve purchases of multiple years of supply in order to meet production and service requirements over the life span of a product. Although historically we have not experienced any significant difficulties in obtaining an adequate supply of raw materials and components necessary for our manufacturing operations or service needs, the loss of a significant supplier or the inability of a supplier to meet performance and quality specifications or delivery schedules could have a material adverse effect on our business, financial condition, results of operations and cash flows.

Our investment in inventory is a significant part of our working capital, and historically we have maintained sufficient inventory to meet our customers' requirements on a timely basis. This investment includes production stock, work-in-process, pre-production engineering costs, finished goods, spare parts and goods on consignment with airlines. Our accounts receivable also constitute a significant part of our working capital. Accounts receivable includes unbilled receivables which are primarily related to sales recorded under the percentage-of-completion method of accounting in accordance with applicable contract terms that have not been billed to customers. The critical accounting policies involving pre-production engineering costs, inventory valuation reserves and long-term contracts are discussed under the caption Management's Discussion and Analysis of Financial Condition and Results of Operations in Item 7 below. Additional information relating to accounts receivable and inventory is contained in Notes 2, 5 and 6 of the Notes to Consolidated Financial Statements in Item 8 below.

Backlog

The following table summarizes our backlog:

	September 30
(in billions)	2015		2014
Commercial Systems	$	2.1	$	1.8
Government Systems:
Funded orders	2.5		2.8
Unfunded orders	0.5		0.3
Information Management Services	0.3		0.3
Total backlog	$	5.4	$	5.2

Our backlog represents the aggregate of the sales price of orders received from customers, but not recognized as revenue, and excludes unexercised options. The 2015 backlog was unfavorably impacted by $0.2 billion due to changes in foreign currency exchange rates, primarily in Government Systems. Although we believe that the orders included in backlog are firm, most of our backlog involves orders that can be modified or terminated by the customer. Our backlog at September 30, 2015 includes approximately $3.0 billion of orders that are expected to be filled by us after 2016.

Joint Ventures

Joint ventures, strategic investments and other cooperative arrangements are part of our business strategies to broaden the market for our products and develop new technologies.

We have a 50 percent ownership interest in each of the following:

• ACCEL (Tianjin) Flight Simulation Co., Ltd, a joint venture with Beijing Bluesky Aviation Technology, a subsidiary of the Aviation Industry Corporation of China (AVIC), to develop and build commercial flight simulators in China

5

• ADARI Aviation Technology Limited, a joint venture with Aviation Data Communication Corporation Co., LTD, operates remote ground stations around China and develops certain content delivery management software

• AVIC Leihua Rockwell Collins Avionics Company, a joint venture with China Leihua Electronic Technology Research Institute, a subsidiary of the Aviation Industry Corporation of China (AVIC), which provides integrated surveillance system products for the C919 aircraft in China

• Data Link Solutions LLC, a joint venture with BAE Systems, plc, for joint pursuit of the worldwide military data link market

• ESA Vision Systems LLC, a joint venture with Elbit Systems, Ltd., for joint pursuit of helmet-mounted cueing systems for the worldwide military fixed wing aircraft market

• Integrated Guidance Systems LLC, a joint venture with Honeywell International, Inc., for joint pursuit of the development of weapons guidance and navigation solutions

• Quest Flight Training Limited, a joint venture with Quadrant Group, plc, which provides aircrew training services primarily for the United Kingdom Ministry of Defence

• Rockwell Collins CETC Avionics Co., Ltd. a joint venture with CETC Avionics Co., Ltd. to develop and deliver products for the C919 program

Acquisitions and Dispositions

We regularly consider various business opportunities, including strategic acquisitions and alliances, licenses and marketing arrangements. We review the prospects of our existing businesses to determine whether any of them should be modified, sold or otherwise discontinued.

We completed three acquisitions in the past three years to augment our growth plans. These acquisitions were:

• in August 2015, we acquired International Communications Group, Inc. (ICG), which provides satellite-based global voice and data communication products and services for the aviation industry

• in March 2015, we acquired Pacific Avionics Pty. Limited (Pacific Avionics), which provides technologies used for wireless information distribution

• in December 2013, we acquired ARINC, which provides communication services, systems integration and security solutions across the aviation, airport, rail, transit and nuclear security markets

We completed three divestitures in the past three years as part of our strategy to reshape our business and focus on opportunities in addressed markets for our core products and solutions. These divestitures were:

• in March 2015, we divested ARINC's Aerospace Systems Engineering and Support business (ASES), which provided military aircraft integration and modifications, maintenance, logistics and support

• in July 2014, we divested our satellite communication systems business formerly known as Datapath, Inc. (Datapath), which designed, manufactured and provided services for ground-based satellite communication systems (primarily for military applications)

• in November 2013, we divested our Kaiser Optical Systems, Inc. (KOSI) subsidiary, which supplied spectrographic instrumentation and applied holographic technology to customers

Additional information relating to our acquisitions, dispositions and joint ventures is contained in Notes 3, 4, 8 and 9 of the Notes to Consolidated Financial Statements in Item 8 below.

Research and Development

We have significant research, development, engineering and product design capabilities. At September 30, 2015, we employed approximately 6,100 engineers.

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Our research and development (R&D) investment is as follows:

(in millions)	2015		2014		2013
Customer-funded (1)	$	578	$	504	$	481
Company-funded	272		268		291
Total research and development expense	850		772		772
Increase in pre-production engineering costs, net	136		162		145
Total research and development investment (2)	$	986	$	934	$	917

⁽¹⁾ Customer-funded R&D includes activities relating to the development of new products and the improvement of existing products for which we are reimbursed by our customers. Customer-funded R&D also includes amortization of pre-production engineering costs as disclosed in Note 6 of the Notes to Consolidated Financial Statements in Item 8 below.

⁽²⁾ Total research and development investment consists of company- and customer-funded research and development expenditures as well as the net increase in pre-production engineering costs capitalized within inventory. As disclosed in Note 6 of the Notes to Consolidated Financial Statements in Item 8 below, pre-production engineering costs capitalized within inventory were $1.012 billion and $876 million at September 30, 2015 and September 30, 2014, respectively. A description of the critical accounting policies involving pre-production engineering is included under the caption Management's Discussion and Analysis of Financial Condition and Results of Operations in Item 7 below.

Intellectual Property

Our intellectual property rights include valuable patents, trademarks, copyrights, trade secrets, inventions and other proprietary rights. We own numerous U.S. and foreign patents and have numerous pending patent applications, including patents and patent applications purchased in our acquisitions. We also license certain patents relating to our manufacturing and other activities. While in the aggregate we consider our patents and licenses important to the operation of our business, we do not consider any individual patent or license to be of such importance that the loss or termination of any one patent or license would materially affect us.

Rockwell Automation, Inc. (Rockwell) owns the "Rockwell" name. In connection with our spin-off from Rockwell in 2001, we were granted the exclusive right to continue to use the Rockwell Collins name for use in our business other than in connection with the Rockwell Automation business or industrial automation products. This exclusive right would terminate following certain change of control events applicable to us as described in our distribution agreement with Rockwell.

Employees

As of September 30, 2015, we had approximately 19,500 employees. Approximately 10 percent of our employees in the U.S. are covered by collective bargaining agreements. The collective bargaining agreements for most of our bargaining unit employees were renewed without disruption in May 2013 and are set to expire in 2017 and 2018. In certain of our non-U.S. subsidiaries, many of our employees are represented by workers' councils or statutory labor unions.

Cyclicality and Seasonality

The avionics and communications markets in which we sell our products are, to varying degrees, cyclical and have experienced periodic upswings and downturns. For example, markets for our commercial aviation electronic products have experienced downturns during periods of slowdowns in the commercial airline industry and during periods of weak conditions in the economy in general, as demand for new aircraft generally declines during these periods. We believe that we are currently benefiting from robust backlogs in commercial air transportation and increasing content as next generation aircraft enter into service. While we believe our Government Systems business is well positioned, it is also subject to some cyclicality, primarily as a result of U.S. Government defense budget cycles. Additional information related to the defense budget environment can be found under the caption Risk Factors in Item 1A below.

Our business tends to be seasonal with our fourth quarter usually producing relatively higher sales and cash flow and our first quarter usually producing relatively lower sales and cash flow. A large part of this seasonality variance is attributable to our Government Systems business and relates to the U.S. Government procurement cycle.

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Regulatory Matters

As a defense contractor, our contract costs are audited and reviewed on a continual basis by the Defense Contract Management Agency and the Defense Contract Audit Agency. Audits and investigations are conducted from time to time to determine if our performance and administration of our U.S. Government contracts are compliant with applicable contractual requirements and procurement regulations and other applicable federal statutes and regulations. Under present U.S. Government procurement regulations, if indicted or adjudged in violation of procurement or other federal civil laws, a contractor, such as us, could be subject to fines, penalties, repayments or other damages. U.S. Government regulations also provide that certain findings against a contractor may lead to suspension or debarment from eligibility for awards of new U.S. Government contracts for up to three years. In addition, we are subject to various non-U.S. governmental contracting requirements.

The sale, installation and operation of our products in commercial aviation applications is subject to continued compliance with applicable regulatory requirements and future changes to those requirements. In the U.S., our commercial aviation products are required to comply with FAA regulations governing production and quality systems, airworthiness and installation approvals, repair procedures and continuing operational safety. Some of our products, such as radio frequency transmitters and receivers, must also comply with Federal Communications Commission (FCC) regulations governing authorization and operational approval of telecommunications equipment. Our communication services offered in the Information Management Services business are also subject to certain FCC regulations.

Internationally, similar requirements exist for communication services, airworthiness, installation and operational approvals. These requirements are administered by the national aviation authorities of each country and, in the case of Europe, coordinated by the European Joint Aviation Authorities. Many countries also impose specific telecommunications equipment requirements, administered through their national aviation authorities or telecommunications authorities. In Europe, approval to import products also requires compliance with European Commission directives, such as those associated with electrical safety, electro-magnetic compatibility, use of metric units of measurement and restrictions on the use of lead.

Products already in service may also become subject to mandatory changes for continued regulatory compliance as a result of any identified safety issue, which can arise from an aircraft accident, incident or service difficulty report.

Our products and technical data are controlled for export and import under various regulatory agencies. Audits and investigations by these agencies are a regular occurrence to ensure compliance with applicable federal statutes and regulations. Violations, including as a successor to an acquired business, can result in fines and penalties assessed against the Company as well as individuals, and the most egregious acts may result in a complete loss of export privileges.

Various anti-bribery and anti-corruption laws are applicable to our business operations throughout the world.

Although we do not have any significant regulatory action pending against us, any such action could have a material adverse impact on our business, financial condition, results of operations and cash flows.

Environmental Matters

Federal, state and local requirements relating to the discharge of substances into the environment, the disposal of hazardous wastes and other activities affecting the environment have had and will continue to have an impact on our manufacturing operations. To date, compliance with environmental requirements and resolution of environmental claims have been accomplished without material effect on our liquidity and capital resources, competitive position or financial condition. We believe that our expenditures for environmental capital investment and remediation necessary to comply with present regulations governing environmental protection and other expenditures for the resolution of environmental claims will not have a material adverse effect on our business or financial condition. Additional information on environmental matters is contained in Note 20 of the Notes to Consolidated Financial Statements in Item 8 below.

Geographic Information

Our principal markets outside the U.S. are in Canada, France, Germany, the United Kingdom, China, Japan, Australia, Brazil, United Arab Emirates, Italy, Singapore, Spain, India and Saudi Arabia. In addition to normal business risks, operations outside the U.S. are subject to other risks, including political, economic and social environments, governmental laws and regulations and currency revaluations and fluctuations.

Selected financial information by major geographic area for each of the three years in the period ended September 30, 2015 is contained in Note 23 of the Notes to Consolidated Financial Statements in Item 8 below.

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Item 1A. Risk Factors.

Reduction in U.S. Government spending adversely impacts Government Systems sales and profitability.

In 2015, 29 percentof our sales were derived from U.S. Government contracts, both directly and indirectly through subcontracts. Defense funding by the U.S. Government currently faces significant pressures and is expected to continue to be under pressure due to the overall economic environment, budget deficits and competing budget priorities. Cost cutting, efficiency initiatives, reprioritization and other affordability analysis by the U.S. Government on defense spending could present some additional opportunities for us, but continued pressure on U.S. Government spending on defense could adversely impact our Government Systems sales and profitability. 

The U.S. Government has implemented various initiatives to address its fiscal challenges. In August 2011, Congress enacted the Budget Control Act (BCA) of 2011 which imposed spending caps and certain reductions in security spending over a ten-year period through 2021. These spending caps and reductions, referred to as sequestration, went into effect in March 2013. In December 2013, the Murray-Ryan Bipartisan Budget Act (BBA) of 2013 was enacted, raising government discretionary spending limits temporarily for 2014 and 2015. 

More recently, the Bipartisan Budget Act of 2015 again raised the government discretionary spending limits temporarily for 2016 and 2017, after which the BCA will again be in force. The continued uncertainty surrounding the defense budget could have a material adverse effect on the Company and the defense industry in general. 

Furthermore, in years when the U.S. Government does not complete its annual budget and appropriations process prior to the beginning of its fiscal year (October 1), government operations are typically funded through a continuing resolution that authorizes agencies of the U.S. Government to continue to operate in the new year, but generally does not authorize new spending initiatives. During periods covered by continuing resolutions (or until the regular appropriation bills are passed), we may experience delays by the government in procurement of new or existing products and services which can adversely impact our results of operations and cause variability in the timing of revenue between periods. The government began operations in fiscal year 2016 under a continuing resolution that is set to expire in December 2015. 

We offer a diverse range of defense products and services. We believe that this makes it less likely that cuts in any specific contract or program will have a long-term effect on our business; however, delays or termination of multiple or large programs or contracts could adversely affect our business and future financial performance. Potential changes in funding priorities may afford new or additional opportunities for our businesses in terms of existing, follow-on or replacement programs. While we would expect to compete and be well positioned as the incumbent on existing programs, we may not be successful, and any replacement programs may be funded at lower levels.

We depend to a significant degree on U.S. Government contracts, which are subject to unique risks.

In addition to normal business risks, our supply of systems and products to the U.S. Government is subject to unique risks which are largely beyond our control. These risks include:

• dependence on Congressional appropriations and administrative allotment of funds

• the ability of the U.S. Government to terminate, without prior notice, partially completed government programs and contracts that were previously authorized

• changes in governmental procurement legislation and regulations and other policies which may reflect military and political developments, including recent U.S. Government initiatives to narrow commercial item determinations and expand cost-based pricing arrangements

• significant changes in contract scheduling or program structure, which generally result in delays or reductions in deliveries

• intense competition for available U.S. Government business necessitating increases in time and investment for design and development

• difficulty of forecasting costs and schedules when bidding on developmental and highly sophisticated technical work

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• changes over the life of U.S. Government contracts, particularly development contracts, which generally result in adjustments of contract prices

• claims based on U.S. Government work and violation of associated compliance and other requirements, which may result in fines, the cancellation or suspension of payments or suspension or debarment proceedings affecting potential further business with the U.S. Government

International conflicts and terrorism may adversely affect our business.

International conflicts and political turmoil in the Middle East and elsewhere and the possibility of future terrorist attacks cause significant uncertainty with respect to business and financial markets and may adversely affect our business. These international conflicts also affect the price of oil, which has a significant impact on the financial health of our commercial customers. Although our Government Systems business may experience greater demand for its products as a result of increased government defense spending, factors arising (directly or indirectly) from international conflicts or terrorism which may adversely affect our commercial business include reduced aircraft build rates, upgrades, maintenance and spending on discretionary products such as in-flight entertainment, as well as increases in the cost of property and aviation products insurance and increased restrictions placed on our insurance policies.

Our business is heavily concentrated in the aviation industry.

As a provider of products and services to the aviation industry, we are significantly affected by the overall economic condition of that industry. The aviation industry is historically cyclical.

Our business, financial condition, results of operations and cash flows may be adversely impacted, among other things, by the following:

• reductions in demand for aircraft (for example, softness in demand for business jets) and delayed aircraft delivery schedules

• bankruptcy or other significant financial difficulties of our existing and potential customers

• reductions in the need for, or the deferral of, aircraft maintenance and repair services and spare parts support

• retirement or storage of older generation aircraft, resulting in fewer retrofits and less demand for services for those aircraft, as well as the increased availability of used equipment on the market

• limited availability of financing for airlines or aircraft

• high fuel costs

• disruptions to commercial air travel demand

New airspace management technologies may impact future sales.

The aerospace industry is experiencing a global transition from traditional communications, navigation, surveillance and air traffic control systems to air traffic management systems utilizing satellite-based technologies that will allow pilots to fly at desired paths and speeds selected in real time, while still complying with instrument flight regulations. The transition to these technologies will require the use of digital communications systems, global positioning system navigation, satellite surveillance techniques and ground surveillance systems. These technologies are expected to result in more direct and efficient flight routes, fewer flight delays and reduced airport congestion. Although we believe that we are well positioned to participate in this market evolution, our ability to capitalize on the transition to these airspace management technologies is subject to various risks, including:

• delays in the development of the necessary satellite and ground infrastructure by the U.S. and other governments

• delays in adopting national and international regulatory standards

• competitors developing better products

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• failure of our product development investments in communications, navigation and surveillance products that enable airspace management technologies to coincide with market evolution to, and demand for, these products

• the ability and desire of customers to invest in products enabling airspace management technologies

A global or regional recession may adversely affect us.

If a recession emerges that impacts where we do business, risks may include:

• declines in revenues, profitability and cash flows from reduced orders, payment delays or other factors caused by the economic problems of our customers

• adverse impacts on our access to short-term commercial paper borrowings or other credit sources

• supply problems associated with any financial constraints faced by our suppliers

We derive a significant portion of our revenues from international sales and are subject to the risks of doing business outside the U.S.

In 2015, 43 percent of our total revenues were from sales of our products and services internationally, including foreign military sales. We expect that international sales will continue to account for a significant portion of our total sales. As a result, we are subject to risks of doing business internationally, including:

• laws, regulations and policies of non-U.S. governments relating to investments and operations, as well as U.S. laws affecting the activities of U.S. companies abroad

• regulatory requirements and potential changes, including imposition of tariffs or embargoes, export controls and other trade restrictions and antitrust and data privacy requirements

• changes in government spending on defense programs, including spending decline in European countries

• uncertainties and restrictions concerning the availability of funding, credit or guarantees

• requirements of certain customers which obligate us to specified levels of in-country purchases, manufacturing or investments, known as offsets, and penalties in the event we fail to perform in accordance with the offset requirements

• import and export licensing requirements and regulations

• uncertainties as to local laws and enforcement of contract and intellectual property rights

• rapid changes in government, economic and political policies, political or civil unrest or the threat of international boycotts or U.S. anti-boycott legislation

We have made, and expect to continue to make, strategic acquisitions and partnerships that involve significant risks and uncertainties.

We completed the acquisitions of ICG and Pacific Avionics in 2015, the acquisition of ARINC in 2014 and several joint ventures and strategic alliances (partnerships) in the past few years. We intend to make acquisitions and partnerships in the future in an effort to enhance shareowner value. Acquisitions and partnerships involve a certain amount of risks and uncertainties such as:

• difficulty in integrating newly-acquired businesses and commencing partnership operations in an efficient and cost-effective manner and the risk that we encounter significant unanticipated costs or other problems associated with integration or commencement

• challenges in achieving strategic objectives, cost and revenue synergies and other expected benefits

• risk that our markets do not evolve as anticipated and the targeted technologies do not prove to be those needed to be successful in those markets

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• risk that we assume significant liabilities that exceed the limitations of any applicable indemnification provisions or the financial resources of any indemnifying parties

• potential loss of key employees of the acquired businesses or joint venture

• risk of diverting the attention of senior management from our existing operations

We enter into fixed-price contracts that could subject us to losses in the event that we have cost overruns.

During 2015, approximately 94 percent of our total sales were from, and a significant portion of our anticipated future sales will be from, fixed-price contracts. This allows us to benefit from cost savings, but it carries the burden of potential cost overruns since we assume all of the cost risk. If our initial cost estimates are incorrect, we can incur losses on these contracts. These fixed-price contracts can expose us to potentially large losses because the customer may compel us to complete a project or, in the event of a termination for default, pay the entire incremental cost of its replacement by another provider regardless of the size of any cost overruns that occur over the life of the contract. Because many of these projects involve new technologies and applications and can last for years, unforeseen events such as technological difficulties, fluctuations in the price of raw

materials, problems with subcontractors and cost overruns can result in the contractual price becoming less favorable or even unprofitable to us over time. Furthermore, if we do not meet project deadlines or specifications, we may need to renegotiate contracts on less favorable terms, be forced to pay penalties or liquidated damages or suffer major losses if the customer exercises its right to terminate. In addition, some of our contracts have provisions relating to cost controls and audit rights, and if we fail to meet the terms specified in those contracts we may not realize their full benefits. Our results of operations are dependent on our ability to maximize earnings from our contracts. Lower earnings caused by cost overruns could have an adverse impact on our financial condition, results of operations and cash flows.

Costs of certain employee and retiree benefits may rise.

Although we have taken action seeking to contain volatility in the costs related to medical and pension benefits, there are risks that our costs for these benefits will increase as a result of:

• continued increases in medical costs related to current employees due to increased usage of medical benefits, medical inflation and the impact of recent U.S. Government health care legislation

• an increase in the average life span of retirees

• material changes in legislation or market dynamics impacting medical or pension matters

• the effect declines in the stock and bond markets have on our pension plan assets

• potential reductions in the discount rate used to determine the present value of our retirement benefit obligations

Tax changes could affect our effective tax rate and future profitability.

Our future results could be adversely affected by changes in the effective tax rate as a result of changes in our overall profitability and changes in the mix of earnings in countries with differing statutory tax rates, changes in tax legislation, the results of audits and examination of previously filed tax returns and continuing assessment of our tax exposures.

We depend on critical suppliers and subcontractors.

We do not always have alternate sources of supply readily available for certain goods or services, such as liquid crystal displays. The loss of a significant supplier or subcontractor or their inability to meet performance, quality or delivery requirements could have a material adverse effect on our business, financial condition, results of operations and cash flows.

We depend on specialized test equipment.

Some of our specialized test equipment that supports the reliability of our products and systems is the result of significant investment. Back-up test equipment may not be readily available. Damage to our specialized test equipment may result in protracted production recovery and may adversely impact our ability to service our products.

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A cybersecurity incident, network failure or other business disruption could have negative impacts.

We face cyber threats, threats to the physical security of our facilities, as well as the potential for business disruptions associated with damaging acts of nature, public health crises or information technology (IT) failures. Possible areas of significant exposure to cyber threats or other disruptions include our enterprise information technology resources, our information management network that provides communication services to customers and our flight deck communication products and solutions. Any of these threats or disruptions may result in a material adverse effect on our business, financial condition, results of operations and cash flows. Risks may include:

• adverse effects to future results due to the theft, destruction, loss, corruption or release of personal data, confidential information or intellectual property

• operational or business disruptions resulting from the failure of IT or other systems and subsequent mitigation activities

• negative publicity resulting in reputation or brand damage with our customers, suppliers, employees, shareowners and others

Cautionary Statement

This Annual Report on Form 10-K, and documents that are incorporated by reference in this Annual Report on Form 10-K, contain statements, including certain projections and business trends, that are forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those projected as a result of certain risks and uncertainties, including but not limited to, those disclosed in Risk Factors in Item 1A above, as well as other risks and uncertainties, including but not limited to those detailed herein and from time to time in our Securities and Exchange Commission filings. These forward-looking statements are made only as of the date hereof.

Item 1B. Unresolved Staff Comments.

None.

Item 2. Properties.

As of September 30, 2015, we operated various manufacturing and engineering facilities, sales offices, warehouses and service locations throughout the U.S. and around the world. These facilities have aggregate floor space of approximately 7.2 million square feet. Of this floor space, approximately 51 percent is owned and approximately 49 percent is leased. There are no major encumbrances on any of our plants or equipment. In the opinion of management, our properties have been well maintained, are in sound operating condition and contain all equipment and facilities necessary to operate at present levels. A summary of floor space of these facilities at September 30, 2015 is as follows:

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Location (in thousands of square feet)	Owned Facilities	Leased Facilities	Total
Commercial and Government Systems
U.S.	3,339	2,163	5,502
Europe, Middle East and Africa	330	333	663
Canada and Mexico	—	131	131
Asia Pacific	—	240	240
South America	—	17	17
Total	3,669	2,884	6,553
Information Management Services
U.S.	31	544	575
Europe, Middle East and Africa	—	30	30
Canada and Mexico	—	1	1
Asia Pacific	—	26	26
South America	—	—	—
Total	31	601	632
Combined Total	3,700	3,485	7,185
Type of Facility (in thousands of square feet)	Owned Facilities	Leased Facilities	Total
Commercial and Government Systems
Manufacturing and service	1,265	884	2,149
Sales, engineering and general office space	2,404	2,000	4,404
Information Management Services
Manufacturing and service	31	—	31
Sales, engineering and general office space	—	601	601
Combined Total	3,700	3,485	7,185

We have facilities with a total of at least 100,000 square feet in the following cities: Cedar Rapids, Iowa (3,000,000 square feet), Melbourne, Florida (390,000 square feet), Annapolis, Maryland (360,000 square feet), Richardson, Texas (280,000 square feet), Heidelberg, Germany (240,000 square feet), Tustin, California (215,000 square feet), Coralville, Iowa (200,000 square feet), Sterling, Virginia (180,000 square feet), Wilsonville, Oregon (170,000 square feet), Toulouse, France (165,000 square feet), Salt Lake City, Utah (115,000 square feet), Hyderabad, India (115,000 square feet) and Mexicali, Mexico (105,000 square feet). Most of our facilities for our Commercial Systems and Government Systems businesses are shared and have therefore been presented together in the tables above. We have excluded from the tables above hundreds of leased locations wherein our Information Management Services business has radio frequency equipment in various locations throughout the world.

We purchase property insurance covering physical damage to our facilities and resulting business interruption from perils including fire, windstorm, flood and earthquake. This insurance generally provides replacement cost coverage subject to a $10 million deductible with certain exceptions. For example, certain of our facilities, including those located in California and Mexico, are located near major earthquake fault lines. For those facilities we maintain earthquake insurance with limits that may be less than full replacement cost. These exceptions are largely driven by the availability and cost of catastrophe coverage from the insurance markets.

Item 3. Legal Proceedings.

Various lawsuits, claims and proceedings have been or may be instituted or asserted against us relating to the conduct of our business, including those pertaining to product liability, intellectual property, environmental, safety and health, exporting or importing, contract, employment and regulatory matters. Although the outcome of litigation cannot be predicted with certainty and some lawsuits, claims or proceedings may be disposed of unfavorably to us, management believes there are no material pending legal proceedings.

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Item 4. Mine Safety Disclosures.

Not applicable.

Item 4A. Executive Officers of the Company.

The name, age, office and position held with us, and principal occupations and employment during the past five years of each of our executive officers as of November 17, 2015 are as follows:

Name, Office and Position, and Principal Occupations and Employment	Age
Robert K. Ortberg—Chairman of the Board of Directors since November 2015; Chief Executive Officer and a Director from August 2013 to November 2015; President since September 2012; Executive Vice President and Chief Operating Officer, Government Systems prior thereto	55
Patrick E. Allen—Senior Vice President and Chief Financial Officer since January 2005	51
Tatum J. Buse—Vice President, Finance and Corporate Controller since September 2013; Vice President Cost Optimization from September 2012 to September 2013; Vice President and Controller of International and Service Solutions from May 2011 to September 2012; Senior Director of Financial Planning and Analysis prior thereto	41
Philip J. Jasper—Executive Vice President and Chief Operating Officer, Government Systems since September 2012; Vice President, Business Development, Government Systems prior thereto	47
Bruce M. King—Senior Vice President, Operations since May 2011; Vice President and General Manager Communications Products prior thereto	54
Jeffrey D. MacLauchlan—Senior Vice President, Corporate Development since September 2014; Vice President, Corporate Development of Lockheed Martin Corporation prior thereto	56
Colin R. Mahoney—Senior Vice President, International and Service Solutions since February 2013; Vice President of Commercial Systems Sales, Marketing and Customer Support prior thereto	50
Nan Mattai—Senior Vice President, Engineering and Information Technology since August 2015; Senior Vice President, Engineering and Technology prior thereto	63
Martha L. May—Senior Vice President, Human Resources since April 2013; Senior Vice President and Chief Human Resources Officer of Bell Helicopter prior thereto	48
Robert J. Perna—Senior Vice President, General Counsel and Secretary since February 2014; Senior Vice President, General Counsel from January 2014 to February 2014; Vice President, General Counsel and Secretary for AM Castle & Co. prior thereto	51
Jeffrey A. Standerski—Senior Vice President, Information Management Services since December 2013; Vice President and General Manager, Business and Regional Systems from July 2013 to December 2013; Vice President and General Manager, Air Transport Systems prior thereto	49
Kent L. Statler—Executive Vice President and Chief Operating Officer, Commercial Systems since February 2010; Executive Vice President, Rockwell Collins Services prior thereto	50
Douglas E. Stenske—Vice President, Treasurer and Risk Management since September 2013; Vice President, Treasurer and Financial Planning from March 2011 to September 2013; Vice President and General Auditor prior thereto	49
Robert A. Sturgell—Senior Vice President, Washington Operations	56

There are no family relationships, as defined, between any of the above executive officers and any other executive officer or any director. No officer was selected pursuant to any arrangement or understanding between the officer and any person other than us. All executive officers are elected annually.

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PART II

Item 5. Market for the Company's Common Equity, Related Stockholder Matters and Company Purchases of Equity Securities.

Market Information

Our common stock, par value $.01 per share, is listed on the New York Stock Exchange and trades under the symbol COL. On October 30, 2015, there were 17,219 shareowners of record of our common stock.

The following table sets forth the high and low sales price of our common stock on the New York Stock Exchange—Composite Transactions reporting system during each quarter of our years ended September 30, 2015 and 2014:

	2015				2014
Fiscal Quarters	High		Low		High		Low
First	$	86.60	$	72.35	$	74.43	$	65.76
Second	97.49		83.00		84.06		72.95
Third	99.37		92.22		81.47		75.79
Fourth	93.89		78.15		81.90		71.89

Dividends

The following table sets forth the cash dividends per share paid by us during each quarter of our years ended September 30, 2015 and 2014:

Fiscal Quarters	2015		2014
First	$	0.30	$	0.30
Second	0.30		0.30
Third	0.33		0.30
Fourth	0.33		0.30

Based on our current dividend policy, we have been paying quarterly cash dividends which, on an annual basis, equal $1.32 per share. The declaration and payment of dividends, however, will be at the sole discretion of our Board of Directors.

Repurchases

Our Board of Directors has authorized certain repurchases of our common stock. During 2015, we repurchased approximately 3.8 million shares of our common stock at a total cost of $325 million, at a weighted average cost of $85.32 per share. During 2014, we repurchased approximately 2.7 million shares of our common stock at a total cost of $206 million, at a weighted average cost of $76.84 per share.

The following table provides information with respect to purchases made by or on behalf of us or any "affiliated purchaser" (as defined in Rule 10b-18(a)(3) under the Securities Exchange Act of 1934) of shares of our common stock during the three months ended September 30, 2015:

Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Number (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plans or Programs(1)
July 1, 2015 through July 31, 2015	—	$	—	—	$	380 million
August 1, 2015 through August 31, 2015	—	$	—	—	$	380 million
September 1, 2015 through September 30, 2015	—	$	—	—	$	380 million
Total/Average	—	$	—	—

⁽¹⁾ On September 19, 2014 our Board authorized the repurchase of an additional $500 million of our common stock, the balance of which is reflected in the table above. This authorization has no stated expiration.

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Item 6. Selected Financial Data.

The following selected financial data should be read in conjunction with the consolidated financial statements and notes thereto included in Item 8 below. The Statement of Operations, Statement of Financial Position and other data has been derived from our audited financial statements. The Company operates on a 52/53 week fiscal year ending on the Friday closest to September 30. Fiscal year 2014 was a 53-week fiscal year, while 2015, 2013, 2012 and 2011 were 52-week fiscal years.Certain prior data has been reclassified to conform to the current year presentation and to reflect the results of discontinued operations.

	Years Ended September 30
(dollars in millions, except per share amounts)	2015(a)			2014(b)			2013(c)			2012(d)			2011(e)
Statement of Operations Data:
Sales	$	5,244		$	4,979		$	4,474		$	4,531		$	4,593
Cost of sales	3,630			3,469			3,103			3,168			3,263
Selling, general and administrative expenses	606			594			495			530			515
Income from continuing operations	694			618			630			589			595
Income (loss) from discontinued operations, net of taxes	(8		)	(14		)	2			20			39
Net income	686			604			632			609			634
Net income as a percent of sales	13.1		%	12.1		%	14.1		%	13.4		%	13.8		%
Diluted earnings per share from continuing operations	5.19			4.52			4.56			4.01			3.81
Statement of Financial Position Data:
Working capital(f)	$	1,089		$	1,006		$	1,113		$	1,347		$	1,394
Property	964			919			773			773			754
Goodwill and intangible assets	2,607			2,551			1,067			1,071			1,088
Total assets	7,389			7,063			5,400			5,314			5,389
Short-term debt	448			504			436			—			—
Long-term debt, net	1,680			1,663			563			779			528
Shareowners' equity	1,875			1,884			1,618			1,259			1,523
Other Data:
Capital expenditures	$	210		$	163		$	120		$	138		$	152
Depreciation and amortization	252			225			177			170			155
Dividends per share	1.26			1.20			1.20			1.08			0.96
Stock Price:
High	$	99.37		$	84.06		$	75.25		$	61.46		$	67.29
Low	72.35			65.76			52.24			46.37			43.82

(a) Income from continuing operations includes a $22 million income tax benefit from the retroactive reinstatement of the previously expired Federal Research and Development Tax Credit and a $16 million income tax benefit related to the remeasurement of certain prior year tax positions.

(b) Income from continuing operations includes $18 million of restructuring, pension settlement and ARINC transaction costs ($25 million before income taxes). Approximately $18 million of the pre-tax expense was recorded in selling, general and administrative expenses, $4 million was included within cost of sales, and $3 million was classified as interest expense. Income from continuing operations also includes a $9 million gain ($10 million before income taxes) resulting from the sale of the KOSI business. On December 23, 2013, we acquired ARINC for $1.405 billion. This acquisition was funded through a combination of new long-term debt and short-term commercial paper borrowings.

(c) Net income includes a $19 million income tax benefit related to the retroactive reinstatement of the previously expired Federal Research and Development Tax Credit. Short-term debt includes commercial paper borrowings incurred to fund a portion of our share repurchase program and also includes $200 million related to debt that matured in December 2013.

(d) Net income includes $38 million of net restructuring and asset impairment charges ($58 million before income taxes), primarily related to employee severance costs and certain customer bankruptcy charges. Approximately $38 million of the pre-tax charge was recorded in cost of sales, $25 million was included within selling, general and administrative expenses and $5 million was classified as a gain within Other income. Net income also includes a $19 million income tax benefit related to the favorable resolution of certain tax matters in 2012.

(e) Income from discontinued operations includes a $17 million gain ($27 million before income taxes) resulting from the sale of the Rollmet business. In addition, income from continuing operations includes $17 million of restructuring and asset impairment charges ($27 million before income taxes) primarily related to real estate lease and contract termination

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charges, asset impairment charges and employee severance costs. $26 million of the pre-tax restructuring and asset impairment charge was recorded in cost of sales and the remaining $1 million was included in selling, general and administrative expenses. Net income also includes a $16 million income tax benefit related to the retroactive reinstatement of the previously expired Federal Research and Development Tax Credit.

(f) Working capital consists of all current assets and liabilities, including cash and short-term debt.

Item 7. Management's Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion and analysis should be read in conjunction with our consolidated financial statements and notes thereto in Item 8 below. The following discussion and analysis contains forward-looking statements and estimates that involve risks and uncertainties. Actual results could differ materially from these estimates. Factors that could cause or contribute to differences from estimates include those discussed under Cautionary Statement and Risk Factors contained in Item 1A above.

We operate on a 52/53 week fiscal year ending on the Friday closest to September 30. For ease of presentation, September 30 is utilized consistently throughout Management's Discussion and Analysis of Financial Condition and Results of Operations to represent the fiscal year end date. Fiscal year 2014 was a 53-week fiscal year, while 2015 and 2013 were 52-week fiscal years. All date references contained herein relate to our fiscal year unless otherwise stated.

As discussed in Note 4 of the Notes to Consolidated Financial Statements in Item 8 below, on March 10, 2015 the Company divested the ASES business, which was acquired as part of the ARINC transaction. On July 25, 2014 the Company divested its satellite communication systems business, formerly known as Datapath, Inc. (Datapath). As a result of the divestitures, the operating results of ASES and Datapath have been accounted for as discontinued operations for all periods presented.

Certain prior year data has been reclassified to conform to the current year presentation and to reflect the results of discontinued operations.

OVERVIEW AND OUTLOOK

We have a diversified and balanced business, serving both commercial and government markets. Our Commercial Systems business supplies aviation electronics systems, products and services to customers located throughout the world. The Commercial Systems customer base is comprised of commercial air transport and business and regional aircraft OEMs, commercial airlines and business aircraft operators. Our Government Systems business provides avionics, communication products, surface solutions and navigation products to the U.S. Department of Defense, state and local governments, other government agencies, civil agencies, defense contractors and foreign ministries of defense around the world. These systems, products and services support airborne (fixed and rotary wing), ground and shipboard applications. 

On December 23, 2013, we completed our acquisition of ARINC for $1.405 billion. The acquisition of ARINC was funded through a combination of new long-term debt issuances and commercial paper borrowings. In connection with this acquisition, the Information Management Services business segment was formed. This segment combines ARINC with the Company's legacy flight services business, which had previously been included in the Commercial Systems segment. The acquisition of ARINC expands our position as a leading provider of information management services. 

Total revenues increased 5 percent during 2015 driven by the ARINC acquisition and Commercial Systems revenue growth of 6 percent. Diluted earnings per share from continuing operations increased 15 percent to $5.19 primarily due to the benefit from higher earnings in Commercial Systems and Information Management Services as well as favorable adjustments related to the remeasurement of certain prior year tax positions and the retroactive benefit of the Federal Research and Development Tax Credit (Federal R&D Tax Credit). On December 19, 2014, the Federal R&D Tax Credit was retroactively reinstated and extended from January 1, 2014 through December 31, 2014 as part of the Tax Increase Prevention Act of 2014. This favorable tax credit had previously expired on December 31, 2013.

We generated operating cash flows of $749 million during 2015, representing a 13 percent improvement over last year. We continued to deploy cash for the benefit of our shareowners by paying aggregate dividends of $167 million and repurchasing 3.8 million shares of common stock for $330 million.

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Fiscal year 2015 results and fiscal year 2016 guidance is as follows:

	FY15 Results	FY16 Guidance
Total sales	$5.24 billion	$5.3 billion to $5.4 billion
Diluted earnings per share from continuing operations	$5.19	$5.20 to $5.40
Operating cash flow from continuing operations	$749 million	$700 million to $800 million
Capital expenditures	$210 million	about $200 million
Total research and development investment(1)	$986 million	about $1 billion

⁽¹⁾ Total research and development (R&D) investment is comprised of company and customer-funded R&D expenditures and the net increase in pre-production

engineering costs capitalized within Inventory.

Fiscal year 2015 performance was in-line with our long-term goals highlighted by mid-single digit growth in sales and double digit growth in earnings per share and cash provided by operating activities. As we plan for fiscal year 2016, we are faced with a year that will be tempered by challenges in business aviation. However, we believe the fundamentals of the marketplace and longer-term trends continue to position Rockwell Collins for growth that is in line with our long-term financial goals as follows:

• sales growth of mid-to-high single digits

• earnings per share growth of low double digits

• cash provided by operating activities growth of double digits, in excess of earnings per share growth as investments in pre-production engineering costs decline as new aircraft platforms enter into service

As we plan for 2016 and beyond, our strategies are focused on the following:

• accelerate sales growth

• expand operating margins and improve cash flow conversion

• deploy capital with priorities on growth and shareowner return

Accelerate sales growth

Returning our business to growth has been a fundamental objective of our management team over the course of the last couple years. For the past decade we have been in a period of significant investment in research and development for our company to support market share gains throughout our businesses. We are now beginning to realize the benefits of completing investments in these programs as new platforms enter service. Our focus on developing unique solutions to address our customers' needs is evidenced by the large investment we dedicate towards R&D programs. Over the past 5 years, we invested approximately $4.8 billion in research and development, which has allowed us to develop new systems, products and software solutions for our customers and capture strategically important positions on a variety of air transport, business aviation and military aircraft.

Highlights of our strategy to accelerate top-line sales growth are as follows:

Strong market positions will fuel growth

Within Commercial Systems, we won a number of new programs and achieved numerous of milestones on aircraft development programs throughout the year. Early in the year we were awarded a contract by Boeing to provide its next-generation, large-format flight displays, integrated surveillance system and select flight control systems as standard equipment on the Boeing 777X. In addition, recently we announced that Boeing selected us to provide the Avionics Gateway secure server on the new 777X. Our content on the 777X will rival the content we have on the 787, which has the most Rockwell Collins content of any air transport aircraft. We also announced that our Pro Line Fusion® flight deck was selected for the next generation of Beechcraft King Airs, commercial aviation’s first application of touchscreen primary flight control displays. We were also selected to provide the cabin management and entertainment system for Dassault’s new Falcon Jet 5X and Falcon Jet 8X business aircraft. Other key milestones on programs included on-time delivery of equipment to support the first delivery of the Airbus A350 and the Embraer Legacy 500 aircraft as well as certification of the Embraer Legacy 450 aircraft. Our development teams are focused on meeting commitments as we continue to support a host of new programs in development

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such as the Boeing 737 MAX, Bombardier CSeries and Bombardier Global 7000/8000 programs. We believe we are well positioned to exceed the market rate of growth as these new aircraft enter service over the balance of the decade.

Within Government Systems, we unveiled our new approach to military communications with the launch of our TruNet networked communications solution. U.S. armed forces and militaries around the world have long sought an interoperable, scalable and networked communication system that allows warfighters to talk with each other regardless of location on the ground or in the air. This capability is what TruNet provides, and we believe we are positioned to deliver this system and enable joint services and coalition forces to work seamlessly together.

During the year we announced a number of new contract awards within Government Systems. For example, we were awarded a $420 million contract for delivery of ARC-210 advanced airborne software-defined radio systems. In addition, we signed a $478 million contract for production of MIDS JTRS terminals through our Data Links Solutions joint venture with BAE Systems. We also achieved a number of important milestones on development programs. We executed on-time development of equipment for the KC-46 and KC-390 programs as they prepare to transition into production. Both of these aircraft achieved their first flight in the current year and have entered into the flight testing stage of their development programs. On the F-35 program, we delivered the first Gen III Helmet Mounted Display System through our joint venture, Rockwell Collins ESA Vision Systems. We have also been successful in winning positions on rotary wing aircraft.  We have won several rotary wing positions with Agusta Westland that will enter service over the balance of the decade.  In addition, we were selected by Sikorsky to provide avionics and mission equipment for the next generation U.S. Air Force Combat Rescue helicopter.

We are growing globally

Market opportunities outside the United States continue to evolve, driven in part by expanding populations and emerging economies. Security needs are on the rise in places around the globe, as countries seek to establish indigenous capabilities to protect their borders, infrastructure and resources. At the same time, global commercial air travel is expected to increase, generating higher traffic and increased demand for new aircraft. We believe we are positioned to grow by capturing new programs at emerging international OEMs, strategically positioning service centers around the globe, and by launching new joint ventures in China. Just this year, we finalized the formation of ACCEL (Tianjin) Flight Simulation Co. LTD., a joint venture between Rockwell Collins and Beijing Bluesky Aviation Technology, an AVIC subsidiary. The joint venture will create a simulation and training center of excellence in China for commercial flight simulation and training solutions.

We project our international revenues will grow from about 43 percent of revenues today to roughly 50 percent by the end of the decade. We have increased our headcount and allocated resources to developing regions over the last five years. We recognize the need to stay close to our customers and meet expectations on programs no matter where a customer resides in the world.

We are capitalizing on aviation’s information age

In today’s information-enabled world, the market continues to trend away from hardware-based solutions to more software-based applications and the needs for connectivity are increasing for airlines, airports, passengers and beyond. Through organic innovations and acquisitions, we have developed a portfolio of services that positions us as a leader in aviation information management, delivering efficiency and safety to our customers and their passengers.

Even as traffic on our air-to-ground networks increases, we’re taking steps to enhance their capacity and usefulness. This year we announced an initiative to increase our network capacity and global footprint, strengthening our position in Europe, the Middle East and Africa. We are also developing new applications that will improve the operations of our customers. For example, in February we partnered with Hong Kong Airlines to conduct live credit card authorizations, significantly reducing the danger of credit card fraud. In March we unveiled our ARINC MultiLink^SM flight tracking service, offering a comprehensive and cost-effective global flight tracking solution for the world’s airlines. We are also looking for ways to make better use of our high fidelity networks. In August we announced ARINC UrgentLink, a nationwide network for disaster communications utilizing HF technology. UrgentLink represents an example of a synergy between our Government Systems and Information Management Services businesses.

We expect that connectivity capabilities will evolve and we plan to be a leader within the next generation aviation information management ecosystem. Connectivity solutions for business aviation and air transport markets are growing, with Inmarsat’s new GX high-speed Ka-band network scheduled to launch by the end of 2015. Looking ahead, we announced our intent to partner with OneWeb Ltd. to be the exclusive developer and provider of new, advanced satcom terminals for their global aviation high-speed broadband service, scheduled to go live by the end of the decade.

We also strengthened our hardware portfolio of connectivity-related offerings through two acquisitions in fiscal year 2015. Our March acquisition of Pacific Avionics ensured Rockwell Collins can offer our customers advanced wireless distribution on-

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board an aircraft, strengthening our ability to deliver leading applications through our PAVES passenger engagement solutions. In August we acquired International Communications Group, adding the latest generation of Iridium satcom terminals and smart routers to our existing flight deck and cabin connectivity offerings.

Expand operating margins and improve cash flow conversion

Operational excellence is a fundamental objective at our Company. We have extended Lean concepts beyond the factory floor to virtually every aspect of our business. We focus on streamlining processes, reducing costs and increasing quality while enhancing our ability to respond quickly to customer needs. In addition, our shared service model uses an organizational structure to leverage resources across the business. This is evidenced by our product and technology centers of excellence, through which we apply our core competencies to solutions in both Government Systems and Commercial Systems. By applying common tools and systems across our businesses, we can better manage our cost structure and maximize our R&D investments.

We believe our Company has a proven ability both to react quickly to changing business conditions and to execute its business plans. For example, as we plan for a weaker business aviation market in fiscal 2016, we are taking restructuring actions to manage our cost structure and preserve our operating margins. This includes our focus on the customer, continuing our commitment to operational excellence and maintaining our balanced business model. We will also distinguish ourselves through strong customer relationships, high returns on invested capital and continued investment in market differentiating technologies and programs. As we return our company to growth, and investments begin to pay off as new programs enter service, we plan to deliver long-term double-digit cash flow growth.

Deploy capital with priorities on growth and shareowner return

We plan to allocate capital across our company in a way that prioritizes growth. We expect to invest 16 to 18 percent of sales in R&D, about 4 percent of sales in capital expenditures and to opportunistically acquire complementary businesses. We expect to target a 25 percent dividend to net income payout ratio. The remaining capital deployment priorities are expected to be balanced between paying down short-term debt and repurchasing shares of our common stock. As of September 30, 2015 we are authorized to repurchase a total of $380 million of outstanding stock under our share repurchase program.

See the following sections for further discussion of our results of operations and anticipated 2016 results of operations.  For additional disclosure on segment operating earnings see Note 23 of the Notes to Consolidated Financial Statements in Item 8 below. Please also see our Risk Factors and Cautionary Statement in Item 1A of this Form 10-K.

RESULTS OF OPERATIONS

The following management discussion and analysis of results of operations is based on reported financial results for 2013 through 2015 and should be read in conjunction with our consolidated financial statements and the notes thereto in Item 8 below.

Consolidated Financial Results

Sales

(in millions)	2015			2014			2013
U.S.	$	3,174		$	2,993		$	2,827
Non-U.S.(1)	2,070			1,986			1,647
Total	$	5,244		$	4,979		$	4,474
Percent increase	5		%	11		%

⁽¹⁾ Sales are attributed to geographic region based on the location of our customers.

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Sales for 2015 compared to 2014

Total sales increased $265 million, or 5 percent. ARINC, which was acquired on December 23, 2013, contributed $131 million of inorganic revenue growth. The remaining net increase of $134 million was primarily driven by a $135 million increase in Commercial Systems sales and an organic sales increase of $21 million in Information Management Services, partially offset by a $22 million reduction in Government Systems sales. Refer to the Commercial Systems, Government Systems and Information Management Services sections of the Segment Financial Results below for a detailed discussion of sales by segment in 2015 and 2014.

U.S. sales increased $181 million, or 6 percent. Information Management Services sales contributed $109 million of the increase, primarily due to the acquisition of ARINC, with the remaining increase primarily attributable to higher domestic OEM production rates and higher customer funding for domestic development programs within Commercial Systems.

Non-U.S. sales increased $84 million, or 4 percent, with Commercial Systems sales contributing $52 million of the increase driven primarily by higher customer funding for development efforts on international programs. Additionally, non-U.S. sales for Information Management Services increased $43 million primarily due to the acquisition of ARINC. Non-U.S. sales for Government Systems decreased $11 million as higher product deliveries to non-U.S. customers of $28 million were more than offset by a reduction to revenue of $39 million due to unfavorable foreign currency exchange rates.

Sales for 2014 compared to 2013

Total sales increased $505 million, or 11 percent. ARINC, which was acquired on December 23, 2013, contributed $421 million, or 9 percent, to the overall revenue growth. The remaining net increase of $84 million was primarily driven by the $129 million increase in sales within Commercial Systems, and a $5 million increase in sales for the legacy flight services business within Information Management Services, partially offset by a $50 million reduction in Government Systems sales. Refer to the Commercial Systems, Government Systems and Information Management Services sections of the Segment Financial Results below for a detailed discussion of sales by segment in 2014 and 2013.

U.S. sales increased $166 million, or 6 percent. Information Management Services sales contributed $201 million of the increase, primarily due to the acquisition of ARINC, with the remaining variance primarily attributable to a reduction in sales to the U.S. Government as discussed in the Government Systems sales section below.

Non-U.S. sales increased $339 million, or 21 percent, with Information Management Services sales contributing $225 million of the increase, primarily due to the acquisition of ARINC. The remaining net increase of $114 million was driven by the combined impact of higher customer funding for development efforts on international programs within Commercial Systems and modest growth in international defense programs that resulted in higher product deliveries to non-U.S. customers within Government Systems.

Cost of Sales

(in millions)	2015			2014			2013
Total cost of sales	$	3,630		$	3,469		$	3,103
Percent of total sales	69.2		%	69.7		%	69.4		%

Cost of sales consists of all costs incurred to design and manufacture our products and includes R&D, raw material, labor, facility, product warranty, depreciation, amortization, service and support and other related expenses.

Cost of sales for 2015 compared to 2014

Total cost of sales increased $161 million, or 5 percent, primarily due to the following:

• $91 million from inorganic sales growth attributable to ARINC

• $18 million from higher employee incentive compensation costs

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• the remaining net increase of $52 million was driven primarily by higher organic sales volume within Commercial Systems and Information Management Services, partially offset by a corporate-level charge for employee severance recorded in 2014

Cost of sales for 2014 compared to 2013

Total cost of sales increased $366 million, or 12 percent, primarily due to the following:

• $305 million of cost of sales from the acquisition of the ARINC business

• partially offset by a $55 million reduction resulting from the combined impact of lower sales volume in Government Systems and lower company-funded R&D expense within Commercial Systems, as well as benefits obtained from headcount reductions and prior restructuring actions

• the remaining net increase of $116 million was driven primarily by the higher organic sales volume within Commercial Systems and a corporate-level charge for employee severance recorded in 2014

Research and Development Expense

R&D expense is included as a component of cost of sales and is summarized as follows:

(in millions)	2015			2014			2013
Customer-funded:
Commercial Systems	$	187		$	143		$	98
Government Systems	382			353			383
Information Management Services	9			8			—
Total customer-funded	578			504			481
Company-funded:
Commercial Systems	182			193			218
Government Systems	88			74			73
Information Management Services	2			1			—
Total company-funded	272			268			291
Total research and development expense	$	850		$	772		$	772
Percent of total sales	16.2		%	15.5		%	17.3		%

We make significant investments in research and development to allow our customers to benefit from the latest technological advancements. Total R&D expense is comprised of both company-funded and customer-funded R&D expenditures. In addition to the R&D expenditures shown in the table above, we capitalize in inventory the cost of certain pre-production engineering effort incurred during the development phase of programs when the customer has provided us a long-term supply arrangement and a contractual guarantee for reimbursement. Pre-production engineering costs are then amortized over their useful lives. This amortization cost is included within customer-funded R&D expense and totaled $47 million, $36 million and $25 million for 2015, 2014 and 2013, respectively. Refer to the Research and Development section found in Item 1 and the Critical Accounting Policies section found in Item 7 below for further discussion of our incremental investments in pre-production engineering effort.

Customer-funded R&D expenditures are incurred pursuant to contractual arrangements and are typically accounted for as contract costs within cost of sales with the reimbursement accounted for as a sale in accordance with the percentage-of-completion method of accounting.

Company-funded R&D expenditures relate to the development of new products and the improvement of existing products and are expensed as incurred and included in cost of sales, as disclosed in Note 2 of the Notes to Consolidated Financial Statements. Company-funded R&D expense consists primarily of payroll-related expenses of employees engaged in R&D activities, engineering-related product materials and equipment and subcontracting costs.

Total R&D expense increased $78 million from 2014 to 2015. The customer-funded portion of R&D increased $74 million from 2014 to 2015. Commercial Systems accounted for $44 million of the increase due to higher development expenditures for

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various international programs, as well as higher amortization of pre-production engineering costs. In addition, customer-funded expenditures for Government Systems increased $29 million, primarily due to higher development expenditures for various data link programs, as well as higher amortization of pre-production engineering costs. Company-funded R&D expenditures increased $4 million from 2014 to 2015 primarily due to an increase in R&D efforts associated with positioning our Government Systems business for new growth offset by lower expenditures for the Airbus A350 program in Commercial Systems.

Total R&D expense was unchanged from 2013 to 2014, as increases in the customer-funded portion of R&D were offset by decreases in the company-funded portion of R&D. The customer-funded portion of R&D expense increased $23 million from 2013 to 2014. Higher customer funding of international development programs in Commercial Systems, increased amortization of pre-production engineering costs and incremental R&D expense from the acquisition of ARINC accounted for most of this increase. This increase was partially offset by a reduction in customer funded R&D expense within Government Systems that resulted from a number of development programs that have now completed or are transitioning to production. The $23 million decrease in company-funded R&D from 2013 to 2014 was principally within Commercial Systems and was driven by a reduction in R&D efforts associated with various next generation business jet avionics development programs.

In addition to the R&D expenses above, development expenditures incurred on the Boeing 737 MAX platform and Bombardier CSeries and Global 7000/8000 programs in 2015 resulted in a net $136 million increase to our investments in pre-production engineering programs capitalized within inventory. The net increase of $136 million for 2015 was $26 million less than the $162 million net increase in pre-production engineering costs capitalized within inventory during 2014, primarily due to lower development expenditures for the Airbus A350 program. 

Development expenditures incurred on the Boeing 737 MAX platform, Bombardier CSeries and Airbus A350 programs in 2014 resulted in a net $162 million increase to our investments in pre-production engineering programs capitalized within inventory. The net increase of $162 million for 2014 was $17 million greater than the $145 million net increase in pre-production engineering costs capitalized within inventory during 2013 primarily due to higher development expenditures for the Boeing 737 MAX platform, partially offset by the absence of development expenditures for certain retrofit programs completed in 2013. 

Refer to Note 6 of the Notes to Consolidated Financial Statementsfor further discussion of our incremental investments in pre-production engineering effort.

Selling, General and Administrative Expenses

(in millions)	2015			2014			2013
Selling, general and administrative expenses	$	606		$	594		$	495
Percent of total sales	11.6		%	11.9		%	11.1		%

Selling, general and administrative (SG&A) expenses consist primarily of personnel, facility and other expenses related to employees not directly engaged in manufacturing or R&D activities. These activities include marketing and business development, finance, legal, information technology and other administrative and management functions.

Total SG&A expenses increased $12 million, or 2 percent, in 2015 compared to 2014, primarily due to the following:

• $19 million of inorganic SG&A cost growth from the acquired ARINC business

• higher international business development and bid and proposal costs

• partially offset by the absence of $13 million of transaction costs for legal, accounting and advisory fees resulting from the ARINC acquisition, as well as the absence of a pension settlement charge in 2014

Total SG&A expenses increased $99 million, or 20 percent, in 2014 compared to 2013, primarily due to the following:

• $62 million of SG&A costs from the acquired ARINC business

• $13 million in transaction costs for legal, accounting and advisory fees resulting from the ARINC acquisition

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• $8 million of the increase resulted from the combined impact of pension settlement charges and higher stock-based compensation expenses

• the remaining net increase of $16 million was primarily due to higher bid and proposal costs and expenses related to the pursuit of new business opportunities internationally, partially offset by savings attributable to headcount reductions from prior restructuring actions

Interest Expense

(in millions)	2015		2014		2013
Interest expense	$	61	$	59	$	28

Interest expense increased by $2 million in 2015 compared to 2014, primarily due to incremental interest for a full year of outstanding long-term debt issued to fund the ARINC acquisition.

Interest expense increased by $31 million in 2014 compared to 2013, primarily due to incremental interest on the new long-term debt and commercial paper we issued to fund the ARINC acquisition.

See Note 10 of the Notes to Consolidated Financial Statements in Item 8 below for more detail regarding outstanding debt.

Other Income, Net

(in millions)	2015		2014		2013
Other income, net	$	15	$	25	$	17

Other income, net decreased by $10 million in 2015 compared to 2014, primarily due to a $10 million pre-tax gain that occurred in 2014 when we divested the KOSI business. For additional information regarding the sale of the KOSI business, refer to Note 4 of the Notes to Consolidated Financial Statements in Item 8 below.

Other income, net increased by $8 million in 2014 compared to 2013, primarily due to a $10 million pre-tax gain that occurred in 2014 when we divested the KOSI business.

For additional information regarding the fluctuations in Other income, net, see Note 14 of the Notes to Consolidated Financial Statements in Item 8 below.

Income Tax Expense from Continuing Operations

(in millions)	2015			2014			2013
Income tax expense	$	268		$	264		$	235
Effective income tax rate	27.9		%	29.9		%	27.2		%

The effective income tax rate differed from the U.S. statutory tax rate as detailed below:

	2015		2014		2013
Statutory tax rate	35.0	%	35.0	%	35.0	%
Foreign rate differential	(1.0	)	(1.1	)	(1.2	)
State and local income taxes	1.2		1.3		1.3
Research and development credit	(3.2	)	(1.1	)	(5.1	)
Domestic manufacturing deduction	(2.0	)	(1.7	)	(2.0	)
Tax settlements	(1.6	)	(0.9	)	(0.1	)
Other	(0.5	)	(1.6	)	(0.7	)
Effective income tax rate	27.9	%	29.9	%	27.2	%

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The difference between our effective income tax rate in 2015 and the statutory tax rate is primarily due to the benefit derived from the Federal Research and Development Tax Credit (Federal R&D Tax Credit), which provides a tax benefit on certain incremental R&D expenditures, the Domestic Manufacturing Deduction under Section 199 (DMD), which provides a tax benefit on U.S.-based manufacturing, and favorable remeasurement of certain prior year tax positions.

The effective income tax rate in 2015 decreased from 2014 primarily due to the retroactive extension of the Federal R&D Tax Credit, which had previously expired on December 31, 2013, and favorable remeasurement of certain prior year tax positions. These favorable adjustments were partially offset by the absence of the recognition of a tax benefit related to the Extraterritorial Income Exclusions claimed in prior years.

The effective income tax rate in 2014 increased from 2013 primarily due to the differences in availability of the Federal R&D Tax Credit which expired on December 31, 2013, partially offset by favorable adjustments in 2014 due to the resolution of prior year tax matters including the resolution of the Internal Revenue Service (IRS) examination of taxable years ended September 30, 2010 and 2011.

Looking forward to 2016, we expect an effective income tax rate of approximately 28 percent. This rate assumes the Federal R & D Tax Credit, which expired on December 31, 2014, is not renewed.

Net Income and Diluted Earnings Per Share

(in millions, except per share amounts)	2015			2014			2013
Income from continuing operations	$	694		$	618		$	630
Percent of sales	13.2		%	12.4		%	14.1		%
Income (loss) from discontinued operations, net of taxes	(8		)	(14		)	2
Net income	$	686		$	604		$	632
Diluted earnings per share from continuing operations	$	5.19		$	4.52		$	4.56
Diluted earnings (loss) per share from discontinued operations	(0.06		)	(0.10		)	0.02
Diluted earnings per share	$	5.13		$	4.42		$	4.58
Weighted average diluted common shares	133.7			136.7			138.1

Income from continuing operations, net of taxes, for 2015 was $694 million, up 12 percent, or $76 million, from the $618 million in income from continuing operations, net of taxes, reported for 2014. Diluted earnings per share from continuing operations increased 15 percent to $5.19 during this same time period. The rate of increase in diluted earnings per share from continuing operations was more than the rate of increase in income from continuing operations, net of taxes, because of the favorable impacts from our share repurchase program.

Income from continuing operations, net of taxes, and earnings per share in 2015 benefited from:

• higher operating earnings in Commercial Systems and Information Management Services

• the retroactive reinstatement of the Federal Research and Development Tax Credit and the remeasurement of certain prior year tax positions

• the absence of transaction costs incurred in connection with the ARINC acquisition as well as pension settlement and restructuring costs incurred in 2014

• partially offset by lower operating earnings in Government Systems and the absence of the gain realized on the divestiture of KOSI in 2014

Income from continuing operations, net of taxes, for 2014 was $618 million, down 2 percent, or $12 million, from the $630 million in income from continuing operations, net of taxes, reported for 2013. Diluted earnings per share from continuing operations decreased 1 percent to $4.52 during this same time period. The rate of decrease in diluted earnings per share from

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continuing operations was less than the rate of decrease in income from continuing operations, net of taxes, because of the favorable impacts from our share repurchase program.

Income from continuing operations, net of taxes, and earnings per share in 2014 decreased due to the following:

• higher income tax and interest expense

• transaction costs incurred in connection with the ARINC acquisition

• pension settlement and restructuring charges recorded in 2014

• lower operating earnings in Government Systems

• partially offset by higher operating earnings in Commercial Systems and Information Management Services and the gain realized on the divestiture of KOSI

Segment Financial Results

One of the key metrics we often use to describe year-over-year changes in operating income for each segment is the incremental (or reduced) earnings derived from higher (or lower) sales volumes. Similarly, the gross margin derived from these incremental (or reduced) earnings is often used to describe changes in segment operating margins. By leveraging the fixed costs present in our shared service operating model, we typically can deliver higher earnings on incremental sales volumes. Conversely, lower sales volumes require us to control costs in order to sustain profitability. The incremental (or reduced) margin realized on the sales volume change tends to be disproportionately higher than the overall operating margin reported for the segment. This is because the overall operating margin for the segment contemplates more elements of our cost structure, such as company-funded R&D expense, depreciation, amortization and selling, general and administrative expenses.

Commercial Systems

Overview and Outlook

Our Commercial Systems business supplies aviation electronics systems, products and services to customers located throughout the world. The customer base is comprised of OEMs of commercial air transport, business and regional aircraft, commercial airlines and business aircraft operators. The near and long-term performance of our Commercial Systems business is impacted by general worldwide economic health, commercial airline flight hours, corporate profits and the financial condition of airlines worldwide.

We expect Commercial Systems sales to increase by low-single digits in 2016 compared to 2015, primarily due to the following:

• air transport aviation electronics sales are expected to grow high-single digits. Sales growth is expected to be paced by higher deliveries of Airbus A350 and Boeing 787 aircraft to support their projected production ramps, higher inorganic revenues related to business acquisitions, higher customer-funded development program sales and higher aftermarket service and support sales. These areas of growth will be partially offset by lower A330 sales due to OEM rate reductions and lower regulatory mandate sales

• business and regional aviation electronics sales are expected to decrease mid-single digits. Sales are expected to decline primarily due to lower production rates of the Bombardier Global 5000/6000 as well as the expectation of production cuts on other business jet platforms, partially offset by increases for the Bombardier CSeries and Embraer Legacy 450/500 production ramps and higher aftermarket service and support and cabin retrofit sales

• sales of wide-body in-flight entertainment products and services are expected to decrease by about 35 percent, or approximately $20 million

Risks to the Commercial Systems business include:

• turbulence in global economic and financial markets could have an impact on demand for air travel, new aircraft and retrofits, as well as the availability of financing for new aircraft

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• occurrence of an unexpected geopolitical event, including terrorism or a pandemic, that could have a significant impact on demand for air travel and demand for new aircraft

• our ability to win new business, develop products and execute on programs pursuant to contractual requirements

• development and market segment acceptance of our products and systems

• potential adverse impact from delays or reductions in OEM aircraft production, including delays in the entry-into-service date for new aircraft

For additional disclosure on Commercial Systems segment results see Note 23 of the Notes to Consolidated Financial Statements in Item 8 below.

Commercial Systems Sales

The following table presents Commercial Systems sales by product category:

(in millions)	2015			2014			2013
Air transport aviation electronics:
Original equipment	$	806		$	703		$	601
Aftermarket	522			512			497
Wide-body in-flight entertainment	57			70			83
Total air transport aviation electronics	1,385			1,285			1,181
Business and regional aviation electronics:
Original equipment	640			618			612
Aftermarket	409			396			377
Total business and regional aviation electronics	1,049			1,014			989
Total	$	2,434		$	2,299		$	2,170
Percent increase	6		%	6		%

Commercial Systems Sales for 2015 compared to 2014

Total air transport aviation electronics sales increased $100 million, or 8 percent, primarily due to the following:

• original equipment sales increased $103 million, or 15 percent, primarily due to higher OEM production rates, improved share of airline selectable equipment and higher customer-funded development program sales

• aftermarket sales increased $10 million, or 2 percent, primarily driven by higher sales of used aircraft parts and higher customer-funded development program sales, partially offset by lower spares provisioning for the Boeing 787 program

• wide-body IFE sales decreased $13 million, or 19 percent, as airlines decommissioned their legacy IFE systems

Total business and regional aviation electronics sales increased $35 million, or 3 percent, primarily due to the following:

• original equipment sales increased $22 million, or 4 percent, primarily due to higher customer-funded development program revenues and higher product deliveries for the Embraer Legacy 500 in support of entry into service

• aftermarket sales increased $13 million, or 3 percent, driven by higher cabin retrofit activity and higher regulatory mandate upgrades partially offset by lower spares provisioning

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Commercial Systems Sales for 2014 compared to 2013

Total air transport aviation electronics sales increased $104 million, or 9 percent, primarily due to the following:

• original equipment sales increased $102 million, or 17 percent, primarily due to increased product deliveries from higher aircraft production rates for the Boeing 787 and 737 aircraft, as well as higher customer funded development program sales

• aftermarket sales increased $15 million, or 3 percent, primarily driven by higher revenues from increased service and support activities and regulatory airspace mandates, partially offset by the absence of certain major retrofit programs that were completed in 2013

• wide-body IFE sales decreased $13 million, or 16 percent, as airlines decommissioned their legacy IFE systems

Total business and regional aviation electronics sales increased $25 million, or 3 percent, primarily due to the following:

• original equipment sales increased $6 million, or 1 percent, as higher customer funded development program revenues were mostly offset by a reduction in sales at the light-end of the business jet market

• aftermarket sales increased $19 million, or 5 percent, driven by higher service and support activities

Commercial Systems Segment Operating Earnings

(in millions)	2015			2014			2013
Segment operating earnings	$	554		$	509		$	472
Percent of sales	22.8		%	22.1		%	21.8		%

Commercial Systems Operating Earnings for 2015 compared to 2014

Commercial Systems operating earnings increased $45 million, or 9 percent, primarily due to the following:

• the $135 million increase in sales discussed in the Commercial Systems sales section above, which resulted in an $83 million increase in cost and incremental earnings of $52 million, or 39 percent of the higher sales volume. The margin from incremental sales benefited from favorable customer-funded development program adjustments

• partially offset by $7 million of other net decreases to operating earnings, including higher employee incentive compensation costs of $8 million

The increase in Commercial Systems operating earnings as a percent of sales was primarily due to earnings from the higher sales volume, partially offset by higher employee incentive compensation costs.

Commercial Systems Operating Earnings for 2014 compared to 2013

Commercial Systems operating earnings increased $37 million, or 8 percent, primarily due to the following:

• $25 million related to lower company-funded R&D expenses

• the $129 million increase in sales discussed in the Commercial Systems sales section above resulted in a $107 million increase in cost and incremental earnings of $22 million, or 17 percent of the higher sales volume. The margins on the incremental earnings were tempered by lower margin revenues on new products and customer-funded development programs

• partially offset by other net reductions to operating earnings of $10 million, driven principally by higher employee benefit related costs

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The increase in Commercial Systems operating earnings as a percent of sales was primarily due to the reduction in company-funded R&D expenses and earnings from the higher sales volume, partially offset by the adverse impact from increased employee benefit related costs and an unfavorable mix of lower margin customer-funded development program sales.

Government Systems

Overview and Outlook

Our Government Systems business provides avionics, communication products, surface solutions and navigation products to the U.S. Department of Defense, state and local governments, other government agencies, civil agencies, defense contractors and foreign ministries of defense around the world. These systems, products and services support airborne (fixed and rotary wing), ground and shipboard applications. The short and long-term performance of our Government Systems business is affected by a number of factors, including the amount and prioritization of defense spending by the U.S. and non-U.S. governments, which is generally based on the security environment and underlying political landscape.

The U.S. Government has implemented various initiatives to address its fiscal challenges. In August 2011, Congress enacted the Budget Control Act of 2011 which imposed spending caps and certain reductions in security spending over a ten-year period through 2021. These spending caps and reductions, referred to as sequestration, went into effect in March 2013. In December 2013, Congress enacted the Murray-Ryan Bipartisan Budget Act of 2013, raising government discretionary spending limits temporarily for 2014 and 2015.

More recently, the Bipartisan Budget Act of 2015 again raised the government discretionary spending limits temporarily for 2016 and 2017, after which the BCA will again be in force. The continued uncertainty surrounding the defense budget could have a material adverse effect on the Company and the defense industry in general.

In years when the U.S. Government does not complete its annual budget and appropriations process prior to the beginning of its fiscal year (October 1), government operations are typically funded through a continuing resolution that authorizes agencies of the U.S. Government to continue to operate in the new year, but generally does not authorize new spending initiatives. During periods covered by continuing resolutions (or until the regular appropriation bills are passed), we may experience delays by the government in procurement of new or existing products and services which can adversely impact our results of operations and cause variability in the timing of revenue between periods. The government began operations in fiscal year 2016 under a continuing resolution that is set to expire in December 2015. We remain confident that our product offerings are well positioned to meet the needs of our government customers in this uncertain environment and we continue to enhance our international strategies and make proactive adjustments to our cost structure as necessary.

Government Systems fiscal year 2016 revenue is expected to be up low-single digits when compared to 2015, driven primarily by an increase in international sales. U.S. defense sales are expected to be about flat due to the continuing impacts of sequestration and our assumption that the government will operate under a three month continuing resolution. Increases in tanker/transport and GPS navigation sales are expected to be partially offset by lower JHMCS helmet and Firestorm product sales.

Risks affecting future performance of our Government Systems business include:

• overall funding and prioritization of the U.S. and non-U.S. defense budgets, including unanticipated impacts from sequestration and the uncertain budgetary environment

• delayed, reduced or canceled funding for programs we have won

• potential impact of geopolitical and economic events

• our ability to execute to our internal performance plans and cost reduction initiatives

• our ability to win new business, successfully develop products and execute on programs pursuant to contractual and regulatory requirements

For additional disclosure on Government Systems segment results see Note 23 of the Notes to Consolidated Financial Statements in Item 8 below.

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Government Systems Sales

The following table presents Government Systems sales by product category:

(in millions)	2015			2014			2013
Avionics	$	1,390		$	1,342		$	1,384
Communication products	401			455			450
Surface solutions	200			234			232
Navigation products	196			178			193
Total	$	2,187		$	2,209		$	2,259
Percent (decrease)	(1		)%	(2		)%

Government Systems Sales for 2015 compared to 2014

Avionics sales increased $48 million, or 4 percent, primarily due to the following:

• $81 million increase from higher deliveries on various tanker transport and rotary wing platforms

• partially offset by $33 million in other net decreases to revenue, including lower fighter aircraft and simulation and training sales

Communication products sales decreased $54 million, or 12 percent, primarily driven by a $93 million decrease from lower deliveries of Joint Tactical Radio System Manpack radios, partially offset by increases in data link development sales and ARC-210 radio deliveries.

Surface solutions sales decreased $34 million, or 15 percent, primarily driven by lower deliveries of Firestorm targeting systems and lower development sales for the Common Range Integrated Instrumentation System program, partially offset by international electronic intelligence programs.

Navigation products sales increased $18 million, or 10 percent, primarily due to increased deliveries of radio navigation products.

Changes in foreign currency exchange rates, primarily the strengthening of the U.S. dollar, resulted in a $39 million reduction to Government Systems sales for 2015 when compared to 2014. This $39 million reduction is included within the Government Systems sales categories above.

Government Systems Sales for 2014 compared to 2013

Avionics sales decreased $42 million, or 3 percent, primarily due to the following:

• a $69 million decrease from lower development revenues on the KC-46, KC-10 and E-2 programs

• partially offset by $27 million in other net increases to revenue, including higher deliveries for the Joint Helmet Mounted Cueing System program and F-15 aircraft

Communication products sales decreased $5 million, or 1 percent, as a $32 million benefit from higher deliveries of Joint Tactical Radio System Manpack radios was largely offset by the combined impact of a reduction in international Talon and software defined radios.

Surface solutions sales increased $2 million, or 1 percent, as higher targeting system revenues were mostly offset by a reduction in development effort on the Common Range Integrated Instrumentation Systems program.

Navigation products sales decreased $15 million, or 8 percent, primarily due to fewer deliveries of GPS-related products and a reduction in development revenues from a GPS modernization program.

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Government Systems Segment Operating Earnings

(in millions)	2015			2014			2013
Segment operating earnings	$	457		$	465		$	496
Percent of sales	20.9		%	21.1		%	22.0		%

Government Systems Operating Earnings for 2015 compared to 2014

Government Systems operating earnings decreased $8 million, or 2 percent, primarily due to the following:

• a $14 million increase in company-funded R&D expense

• an $8 million increase in employee incentive compensation costs

• the $22 million reduction in sales volume resulted in lower earnings of $2 million, and a $20 million reduction to cost, favorably impacted by benefits from cost savings initiatives

• partially offset by favorable development program adjustments

The decrease in Government Systems operating earnings as a percent of sales was primarily driven by the increase in company-funded R&D expense and higher employee incentive compensation costs, partially offset by favorable development program adjustments.

Government Systems Operating Earnings for 2014 compared to 2013

Government Systems operating earnings decreased $31 million, or 6 percent, primarily due to the following:

• the $50 million reduction in sales volume resulted in lower earnings of $20 million, and a $30 million decrease to cost

• an increase to operating earnings from lower warranty expense in 2014 was offset by the absence of certain favorable program adjustments that occurred in 2013

• the remaining net decrease to operating earnings of $11 million was primarily due to the combined impact of higher employee benefit related costs and an increase in selling, general and administrative costs that resulted from various bid and proposal activities and pursuits of new business opportunities internationally

The decrease in Government Systems operating earnings as a percent of sales was driven by the adverse impact of increased selling, general and administrative expenses and higher employee benefit related costs. The favorable margin impact from the warranty adjustment that occurred in 2014 was mostly offset by the lower sales volume and absence of certain favorable program adjustments that occurred in 2013.

Information Management Services

Overview and Outlook

Our Information Management Services business enables mission critical data and voice communications throughout the world to customers including the FAA, commercial airlines, business aircraft operators, airport and critical infrastructure operators and major passenger and freight railroads. These communications are enabled by our high-performance, high-quality and high-assurance proprietary radio and terrestrial networks, enhancing customer efficiency, safety and connectivity.

Our information management services include:

• voice and data communication services, such as air-to-ground GLOBALink^SM and ground-to-ground AviNet® services, which enable satellite, VHF and HF transmissions between the cockpit, the FAA, airline operation centers, reservation systems and other third parties ensuring safety and efficiency for commercial airlines and other related entities in the aviation ecosystem

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• around the clock global flight support services for business aircraft operators, under the ARINCDirect^SM brand, including flight planning and datalink, international trip support, cabin connectivity solutions and flight operations management software

• airport communications and information systems designed to ease congestion and improve airport efficiency via airline agent and passenger-facing check-in, baggage, boarding and access control solutions

• train dispatching and information systems including solutions to support positive train control as mandated by the 2008 Railroad Safety Improvement Act

• mission critical security command and control systems with security functions such as intrusion detection, access control, video and credential management and vehicle identification for nuclear power facilities

• backup communications services for North American first responders and critical infrastructure, newly launched as UrgentLink^TM, which improve communications performance during emergency situations

Information Management Services sales are expected to grow high-single digits driven by growth in airline and business aviation related sales.

Risks to the Information Management Services business include:

• turbulence in global economic and financial markets could have a significant impact on demand for air travel, airport developments and retrofit of information enabled aircraft

• occurrence of an unexpected geopolitical event, including terrorism or a pandemic, that could have a significant impact on demand for air travel and demand for new information enabled aircraft and reduce international business aviation travel

• our ability to win new business, develop products and execute on programs pursuant to contractual requirements

• significant reductions in U.S. rail transportation budgets could delay the implementation of Positive Train Control (PTC) mandate and other new starts and extension projects

• disruption in the deployment of new satellite communication technology could impact future revenue growth from airline and business jet customers

For additional disclosure on Information Management Services segment results see Note 23 of the Notes to Consolidated Financial Statements in Item 8 below.

Information Management Services Sales

The following table presents Information Management Services sales:

(in millions)	2015			2014			2013
Sales	$	623		$	471		$	45
Percent increase	32		%	947		%

Information Management Services Sales for 2015 compared to 2014

Total Information Management Services sales increased $152 million, or 32 percent, primarily due to a $131 million inorganic increase from the acquisition of ARINC, which occurred on December 23, 2013.

Information Management Services Sales for 2014 compared to 2013

Total Information Management Services sales increased $426 million, primarily due to the acquisition of ARINC, which contributed $421 million of revenue to 2014.

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Information Management Services Pro-forma Sales

Note 3 of the Notes to Consolidated Financial Statements in Item 8 below presents supplemental pro-forma financial data as if the acquisition of ARINC had been completed on October 1, 2012. The pro-forma data included in Note 3 combines our consolidated results with the stand-alone results of ARINC for the pre-acquisition periods. The pro-forma data excludes the results of ASES, which was divested on March 10, 2015. The supplemental pro-forma data is not necessarily indicative of results that actually would have occurred had the acquisition truly been consummated on October 1, 2012.

On a pro-forma basis, sales for the Information Management Services segment would be $623 million and $577 million for the twelve months ended September 30, 2015 and 2014, respectively. The $46 million, or 8 percent, increase in the pro-forma sales was primarily due to the following:

• double-digit sales growth in aviation related sales, including GLOBALink^SM and ARINCDirect^SM  

• higher rail related sales due to the absence of certain unfavorable contract adjustments recorded in 2014

• partially offset by lower sales due to the exit of a certain non-aviation government program

On a pro-forma basis, sales for the Information Management Services segment would be $577 million and $551 million for the twelve months ended September 30, 2014 and 2013, respectively. The $26 million, or 5 percent, increase in the pro-forma sales was primarily due to the following:

• growth in aviation related sales, including GLOBALink^SM and ARINCDirect^SM 

• partially offset by the impact of a reduction to revenue from the completion of efforts on projects in ARINC's airport business

• and lower sales in 2014 resulting from certain unfavorable rail related contract adjustments recorded in 2014

• as well as lower sales in 2014 due to the exit of a certain non-aviation government program

Refer to Note 3 of the Notes to Consolidated Financial Statements in Item 8 below for further pro-forma disclosures.

Information Management Services Segment Operating Earnings

(in millions)	2015			2014			2013
Segment operating earnings	$	95		$	62		$	5
Percent of sales	15.2		%	13.2		%	11.1		%

Operating earnings includes depreciation and amortization expense of $52 million, $37 million and $4 million for 2015, 2014 and 2013, respectively.

Information Management Services Operating Earnings for 2015 compared to 2014

Information Management Services operating earnings increased $33 million, primarily due to a $19 million inorganic increase from the acquisition of ARINC. The remaining $14 million increase is primarily due to:

• incremental earnings from the $21 million organic increase in sales discussed in the Information Management Services sales section above

• the absence of certain licensing costs incurred in the prior year

• partially offset by higher business development costs

Information Management Services Operating Earnings for 2014 compared to 2013

Information Management Services operating earnings increased $57 million, primarily due to the acquisition of ARINC.

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General Corporate, Net

General corporate expenses that are not allocated to our business segments are included in General corporate, net. These costs are included within Cost of sales, SG&A and Other income, net on the Consolidated Statement of Operations. General corporate, net is summarized as follows:

(in millions)	2015		2014		2013
General corporate, net	$	59	$	59	$	58

General corporate, net expense remained flat in 2015 as compared to 2014, as higher employee incentive compensation costs were offset by lower pension costs.

General corporate, net expense increased $1 million during 2014 as compared to 2013, primarily due to higher employee incentive compensation and pension costs.

Retirement Plans

Net benefit expense (income) for pension benefits and other retirement benefits are as follows:

(in millions)	2015			2014		2013
Pension benefits	$	(6	)	$	10	$	7
Other retirement benefits	11			10		15
Net benefit expense	$	5		$	20	$	22

Pension Benefits

In 2003, we amended our U.S. qualified and non-qualified pension plans covering all salary and hourly employees not covered by collective bargaining agreements to discontinue benefit accruals for salary increases and services rendered after September 30, 2006. Concurrently, we replaced this benefit by supplementing our existing defined contribution savings plan to include an additional Company contribution effective October 1, 2006. Supplemental contributions made in cash to our various defined contribution savings plans were $47 million, $50 million and $42 million for 2015, 2014 and 2013, respectively.

Defined benefit pension expense (income) for the years ended September 30, 2015, 2014 and 2013 was $(6) million, $10 million and $7 million, respectively. The decrease in pension expense in 2015 was primarily due to lower interest expense from lower discount rates and higher expected asset returns as a result of a larger beginning asset balance. There was also a $5 million settlement charge included in 2014 defined benefit pension expense.

During 2015, the funded status of our pension plans went from a deficit of $901 million at September 30, 2014 to a deficit of $1.265 billion at September 30, 2015. The decrease in funded status was primarily due to a change in mortality assumptions as discussed below. We also contributed $69 million to our pension plans during the year ended September 30, 2015.

We expect defined benefit pension income of $24 million in 2016, compared to $6 million of pension income in 2015.

In October 2014, the Society of Actuaries published a new set of mortality tables (RP-2014) and a new mortality improvement scale (MP-2014), which update life expectancy assumptions. The newly published tables generally reflect longer life expectancy than was projected by past tables. For our 2015 year-end pension liability valuation, we used the RP-2014 tables with an adjustment for Plan experience and the MP-2014 improvement scale adjusted to reflect convergence to an ultimate annual rate of mortality improvement of 0.75 percent by 2022. These changes are expected to result in an unfavorable impact to 2016 pension income and pre-tax earnings of $15 million. See additional details in the Critical Accounting Policies section below.

In 2015 and prior, we used a single-weighted average discount rate to calculate pension interest and service cost. We plan to utilize a "spot rate approach" in the calculation of pension interest and service cost for 2016 and beyond. The spot rate approach applies separate discount rates for each projected benefit payment in the calculation of pension interest and service cost. This calculation change is considered a change in accounting estimate and will be applied prospectively in 2016. The use of the spot rate approach is expected to result in a favorable impact to pension income of $35 million in 2016 relative to the estimated

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pension income amount had we not changed our approach. See additional details in the Critical Accounting Policies section in Item 7A below.

Our objective with respect to the funding of our pension plans is to provide adequate assets for the payment of future benefits. Pursuant to this objective, we will fund our pension plans as required by governmental regulations and may consider discretionary contributions as conditions warrant. We believe our strong financial position continues to provide us the opportunity to make contributions to our pension funds without inhibiting our ability to pursue strategic investments.

In October 2015, subsequent to our 2015 fiscal year end, we made a $55 million voluntary contribution to our U.S. qualified pension plan. There is no minimum statutory funding requirement for 2016 and we do not currently expect to make any additional discretionary contributions during 2016 to this plan. Furthermore, we are not required to make, and do not intend to make, any contributions to the ARINC pension plans during 2016. Any additional future contributions necessary to satisfy minimum statutory funding requirements are dependent upon actual plan asset returns, interest rates and other actuarial assumptions. Contributions to our non-U.S. plans and our U.S. non-qualified plan are expected to total $13 million in 2016.

Other Retirement Benefits

Other retirement benefits expense for the years ended September 30, 2015, 2014 and 2013 was $11 million, $10 million and $15 million, respectively. We expect other retirement benefits expense of approximately $14 million in 2016.

FINANCIAL CONDITION AND LIQUIDITY

Cash Flow Summary

Our ability to generate significant cash flow from operating activities coupled with our expected ability to access the credit markets enables us to execute our growth strategies and return value to our shareowners. The timing of our cash inflows is historically heavily weighted towards the second half of our fiscal year, particularly our fourth quarter. We expect this trend to continue in the future.

During 2015, we generated $749 million of operating cash flow from continuing operations, a 13 percent increase over 2014. The $89 million improvement was primarily due to $176 million of higher cash receipts from customers, partially offset by an $85 million increase in payments made for operating costs, as discussed below.

In 2016, we expect cash provided by operating activities to be in the range of $700 million to $800 million. The projected range of cash provided by operating activities accommodates a $55 million discretionary contribution to our U.S. qualified defined benefit pension plan that was made in October 2015, subsequent to our 2015 fiscal year end, and also accommodates a $100 million net increase in pre-production engineering costs included in inventory as the Company continues to fund development projects on which customers have provided contractual guarantees for reimbursement. The net increase is primarily driven by development for the Boeing 737 MAX and the Bombardier Global 7000/8000. We expect a majority of the projected 2016 operating cash flow to be generated in the second half of our fiscal year.

Operating Activities

(in millions)	2015		2014		2013
Cash provided by operating activities from continuing operations	$	749	$	660	$	593

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The $89 million increase in cash provided by operating activities in 2015 compared to 2014 was primarily due to the following:

• cash receipts from customers increased by $176 million to $5.215 billion in 2015 compared to $5.039 billion in 2014. The increase in cash receipts from customers was less than the sales volume increase of $265 million due to the timing of sales and collection of receivables

• the above item was partially offset by higher payments for production inventory and other operating costs which increased $85 million to $4.102 billion in 2015 compared to $4.017 billion in 2014. The increased payments for operating costs primarily resulted from higher sales volume, partially offset by lower payroll related costs due to the timing of payroll and employee incentive payments

The $67 million increase in cash provided by operating activities in 2014 compared to 2013 was primarily due to the following:

• higher cash receipts from customers which increased by $636 million to $5.039 billion in 2014 compared to $4.403 billion in 2013. The increase was primarily attributable to higher sales volume associated with our acquisition of ARINC and higher collections of receivables from customers

• payments to our pension plans were $47 million lower as we made contributions of $75 million in 2014 compared to $122 million in 2013

• the above items were partially offset by higher payments for operating costs that increased by $502 million to $4.017 billion in 2014, compared to $3.515 billion in 2013. The increased payments for operating costs primarily resulted from the higher sales volume associated with our acquisition of ARINC. In addition, the operating cost payments for 2014 include approximately $13 million of payments that relate to ARINC transaction closing costs

• cash payments for income taxes increased $76 million to $182 million in 2014 compared to $106 million in 2013. The increase is primarily due to the timing of tax deductions including a lower contribution to our pension plan in 2014 as compared to the prior year, differences in availability of the Federal R&D Tax Credit, which expired on December 31, 2013, and the payment of an IRS audit settlement in 2014

• payments for employee incentive pay increased $60 million. Incentive pay is expensed in the year it is incurred and then it is paid in the first fiscal quarter of the following year. In 2014, $114 million was paid for employee incentive pay costs expensed during 2013. This compares to $54 million paid during 2013 for employee incentive pay costs expensed during 2012

Investing Activities

(in millions)	2015			2014			2013
Cash used for investing activities from continuing operations	$	(294	)	$	(1,537	)	$	(118	)

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The $1.243 billion reduction in cash used for investing activities in 2015 compared to 2014 was primarily due to the following:

• the absence of $1.405 billion paid in 2014 for the acquisition of ARINC

• the above item was partially offset by a $47 million increase to cash payments made for property additions to $210 million in 2015

• in addition, we paid $50 million and $24 million in 2015 for the acquisitions of ICG and Pacific Avionics, respectively

• also, we received $23 million in proceeds from the divestiture of our KOSI business in 2014

The $1.419 billion increase in cash used for investing activities in 2014 compared to 2013 was primarily due to the following:

• we paid $1.405 billion for the December 2013 acquisition of ARINC

• cash payments for property additions increased $43 million to $163 million in 2014, due, in part, to capital expenditures for ARINC

• partially offset by $23 million in proceeds from the divestiture of our KOSI business in 2014

Financing Activities

(in millions)	2015			2014		2013
Cash provided by (used for) financing activities from continuing operations	$	(492	)	$	827	$	(448	)

The $1.319 billion increase in cash used for financing activities in 2015 compared to 2014 was primarily due to the following:

• the absence of proceeds from the December 2013 issuance of long-term debt of $1.089 billion. A portion of these proceeds were used to finance the acquisition of ARINC and the remainder was used to refinance $200 million of long-term debt that matured in December 2013

• net proceeds from short-term commercial paper borrowings decreased $325 million. During 2015, net repayments of short-term commercial paper borrowings were $56 million, compared to net proceeds of $269 million during 2014. The incrementally higher proceeds in the prior year were used primarily to finance the acquisition of ARINC

• cash repurchases of common stock increased $119 million to $330 million during 2015, compared to $211 million in 2014

The $1.275 billion increase in cash provided by financing activities in 2014 compared to 2013 was primarily due to the following:

• in December 2013, we received net proceeds of $1.089 billion from the issuance of long-term debt. A portion of these proceeds were used to finance the acquisition of ARINC and the remainder was used to refinance $200 million of long-term debt that matured in December 2013

• cash repurchases of common stock decreased $378 million to $211 million during 2014, compared to $589 million in 2013

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Share Repurchase Program

Cash flow from operations provided funds for repurchasing our common stock under our share repurchase program as follows:

(in millions, except per share amounts)	2015		2014		2013
Amount of share repurchases	$	325	$	206	$	569
Number of shares repurchased	3.8		2.7		9.8
Weighted average price per share	$	85.32	$	76.84	$	58.38

None of the 2015, 2014 and 2013 share repurchases reflected in the table above are included within accounts payable at September 30, 2015, 2014 and 2013, respectively.

Dividends

We declared and paid cash dividends of $167 million, $162 million and $164 million in 2015, 2014 and 2013, respectively. Based on our current dividend policy, we expect to pay quarterly cash dividends which, on an annual basis, will equal $1.32 per share. We expect to fund dividends using cash generated from operations. The declaration and payment of future dividends is at the sole discretion of the Board of Directors.

Financial Condition and Liquidity

We maintain a capital structure that we believe enables us sufficient access to credit markets. When combined with our ability to generate strong levels of cash flow from our operations, this capital structure has provided the strength and flexibility necessary to pursue strategic growth opportunities and to return value to our shareowners.

A comparison of key elements of our financial condition as of September 30, 2015 and 2014 are as follows:

	September 30
(in millions)	2015			2014
Cash and cash equivalents	$	252		$	323
Short-term debt(1)	(448		)	(504		)
Long-term debt, net	(1,680		)	(1,663		)
Net debt (2)	$	(1,876	)	$	(1,844	)
Total equity	$	1,880		$	1,889
Debt to total capitalization (3)	53		%	53		%
Net debt to total capitalization (4)	50		%	49		%

⁽¹⁾ Short-term debt at September 30, 2015 and September 30, 2014 consists of short-term commercial paper borrowings

⁽²⁾ Calculated as total of short-term and long-term debt, net (Total debt), less cash and cash equivalents

⁽³⁾ Calculated as Total debt divided by the sum of Total debt plus Total equity

⁽⁴⁾ Calculated as Net debt divided by the sum of Net debt plus Total equity

We primarily fund our contractual obligations, capital expenditures, small to medium sized acquisitions, dividends and share repurchases from cash generated from operating activities.On December 23, 2013, we acquired ARINC for $1.405 billion. This acquisition was funded through a combination of new long-term debt and commercial paper borrowings. The proceeds from the long-term debt issuance totaled $1.089 billion, of which approximately $900 million was used for the ARINC acquisition, with the remaining portion used to effectively refinance the $200 million unsecured debt due December 1, 2013. The balance of the ARINC purchase price was funded with commercial paper issuances which we plan to pay down over the next few years using our operating cash flow.

As of September 30, 2015, approximately 91 percent of our cash and cash equivalents resides at non-U.S. locations and may not be readily accessible for use in the U.S. due to potential adverse income tax implications and other statutory limitations. Due to the fluctuations of cash flows, we supplement our internally-generated cash flow from time to time by issuing short-term commercial paper. Under our commercial paper program, we may sell up to $1 billion face amount of unsecured short-

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term promissory notes in the commercial paper market. The commercial paper notes have maturities of not more than 364 days from the date of issuance.

At September 30, 2015, short-term commercial paper borrowings outstanding were $448 million with a weighted-average interest rate and maturity period of 0.52 percent and 25 days, respectively. At September 30, 2014, short-term commercial paper borrowings outstanding were $504 million with a weighted-average interest rate and maturity period of 0.32 percent and 29 days, respectively. The maximum amount of short-term commercial paper borrowings outstanding during 2015 was $903 million and the maximum amount outstanding during 2014 was $975 million.

On September 24, 2013, the Company entered into new credit agreements to ensure adequate commercial paper borrowing capacity in anticipation of the Company's then pending ARINC acquisition and to meet other short-term cash requirements. The Company closed on these new revolving credit facilities on December 23, 2013, concurrent with the ARINC acquisition closing date. These credit facilities consist of a five-year $1 billion credit facility that expires in December 2018 and a 364-day $200 million credit facility that expired in December 2014. These agreements replaced the prior $850 million revolving credit facility that was terminated concurrently upon the closing of the new agreements. These revolving credit facilities are in place principally to support our commercial paper program. The credit facilities include one financial covenant that requires us to maintain a consolidated debt to total capitalization ratio of not greater than 60 percent. The ratio excludes the equity impact on accumulated other comprehensive loss related to defined benefit retirement plans. Our debt to total capitalization ratio on September 30, 2015 based on this financial covenant was 38 percent.

In addition, alternative sources of liquidity could include funds available from the issuance of equity securities, debt securities and potential asset securitization strategies. To date, we have not raised capital through the issuance of equity securities, nor do we have any current plans to do so, as we prefer to use debt financing to lower our overall cost of capital and increase our return on shareowners' equity.

Credit ratings are a significant factor in determining our ability to access short-term and long-term financing as well as the cost of such financing. Our strong credit ratings have enabled continued access to both short and long-term credit markets. If our credit ratings were to be adjusted downward by the rating agencies, the implications of such actions could include impairment or elimination of our access to credit markets and an increase in the cost of borrowing. The following is a summary of our credit ratings as of September 30, 2015:

Credit Rating Agency	Short-Term Rating	Long-Term Rating	Outlook
Fitch Ratings	F1	A	Negative
Moody’s Investors Service	P-2	A3	Stable
Standard & Poor’s	A-2	A-	Stable

We were in compliance with all debt covenants at September 30, 2015 and September 30, 2014.

Off-balance Sheet Arrangements

As of September 30, 2015, other than operating leases, we had no material off-balance sheet arrangements, including guarantees, retained or contingent interests in assets transferred to unconsolidated entities, derivative instruments indexed to our stock and classified in shareowners' equity on our Consolidated Statement of Financial Position or variable interests in entities that provide financing, liquidity, market risk or credit risk support to our Company.

Contractual Obligations

The following table summarizes certain of our contractual obligations as of September 30, 2015, as well as when these obligations are expected to be satisfied.

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	Payments Due by Period
(in millions)	Total		Less than 1 Year		1 - 3 Years		4 - 5 Years		Thereafter
Long-term debt	$	1,650	$	—	$	300	$	300	$	1,050
Interest on long-term debt	790		59		116		100		515
Non-cancelable operating leases	330		59		89		56		126
Non-cancelable capital leases, including interest	82		6		12		11		53
Purchase obligations:
Purchase orders	1,351		977		335		36		3
Purchase contracts	138		45		41		28		24
Total	$	4,341	$	1,146	$	893	$	531	$	1,771

Interest payments under long-term debt obligations exclude the potential effects of the related interest rate swap contracts. See Note 10 of the Notes to Consolidated Financial Statements in Item 8 below.

We lease certain office and manufacturing facilities as well as certain machinery and equipment under various lease contracts. Our commitments under operating leases, in the form of non-cancelable future lease payments, are not reflected as a liability on our Consolidated Statement of Financial Position. The principal portion of capital lease obligations is reflected within Other Liabilities on our Consolidated Statement of Financial Position.

Purchase obligations include purchase orders and purchase contracts. Purchase orders are executed in the normal course of business and may or may not be cancelable. Purchase contracts include agreements with suppliers under which there is a commitment to buy a minimum amount of products or pay a specified amount regardless of actual need. Generally, items represented in purchase obligations are not reflected as liabilities on our Consolidated Statement of Financial Position.

The table excludes obligations with respect to pension and other post-retirement benefit plans (see Note 11 of the Notes to Consolidated Financial Statements in Item 8 below). In October 2015, subsequent to our fiscal year end, we made a voluntary contribution of $55 million to our U.S. qualified pension plan. For years beyond 2016, the actual amounts required to be contributed to our U.S. qualified pension plan are dependent upon, among other things, interest rates and underlying asset returns. With the exception of certain bargaining unit plans, payments due under other post-retirement benefit plans are funded as the expenses are incurred.

In addition, the table excludes liabilities for unrecognized tax benefits, which totaled $39 million at September 30, 2015, as we cannot reasonably estimate the ultimate timing of cash settlements to the respective taxing authorities (see Note 15 of the Notes to Consolidated Financial Statements in Item 8 below).

The following table reflects certain of our commercial commitments as of September 30, 2015:

	Amount of Commitment Expiration by Period
(in millions)	Total Amount Committed		Less than 1 Year		1 - 3 Years		4 - 5 Years		Thereafter
Letters of credit *	$	252	$	194	$	50	$	7	$	1

* See Note 18 of the Notes to Consolidated Financial Statements in Item 8 below for a discussion of letters of credit.

In addition to the obligations disclosed above, we occasionally enter into offset agreements, required by certain customers in some non-U.S. countries, as a condition to obtaining contract awards for our products and services. These agreements, which generally extend over several years, are customary in our industry and are designed to enhance the social and economic environment of the country in which our customers operate. These commitments may be satisfied through activities that do not require us to use cash, including transfer of technology, providing manufacturing and other consulting support to in-country projects, strategic alliances and transactions conducted by third parties (e.g., our vendors). These agreements may also be satisfied through our use of cash for activities such as placement of direct work or vendor orders for supplies and/or services, building or leasing facilities for in-country operations, in-country employment of a non-U.S. country's citizens and other forms

41

of assistance in the applicable country. The offset rules and regulations, as well as the underlying contracts, may differ from one country to another.

We typically do not commit to offset agreements until contract awards for our products or services are definitive. Should we be unable to meet the offset obligations we may be subject to contractual penalties, and our chances of receiving additional business from the applicable customers could be reduced or, in certain cases, eliminated. We historically have not been required to pay material penalties related to offset obligations and are currently in compliance with our offset commitments.

At September 30, 2015, we had outstanding offset obligations totaling approximately $548 million that extend through 2036. The amounts ultimately applied against our offset requirements are based on negotiations with the customer and the cost to fulfill the obligation is typically only a fraction of the original obligation above.

RECENTLY ISSUED ACCOUNTING STANDARDS

For information related to recently issued accounting standards, see Note 2 of the Notes to Consolidated Financial Statements in Item 8 below.

ENVIRONMENTAL

For information related to environmental claims, remediation efforts and related matters, see Note 20 of the Notes to Consolidated Financial Statements in Item 8 below.

CRITICAL ACCOUNTING POLICIES

The preparation of our financial statements in accordance with accounting principles generally accepted in the United States of America requires us to make estimates, judgments and assumptions that affect our financial condition and results of operations that are reported in the accompanying consolidated financial statements as well as the related disclosure of assets and liabilities contingent upon future events.

Understanding the critical accounting policies discussed below and related risks is important in evaluating our financial condition and results of operations. We believe the following accounting policies used in the preparation of the consolidated financial statements are critical to our financial condition and results of operations as they involve a significant use of management judgment on matters that are inherently uncertain. If actual results differ significantly from management's estimates, there could be a material effect on our financial condition, results of operations and cash flows. Management regularly discusses the identification and development of these critical accounting policies with the Audit Committee of the Board of Directors.

Accounting for Long-Term Contracts

A substantial portion of our sales to government customers and certain of our sales to commercial customers are made pursuant to long-term contracts requiring development and delivery of products over several years and often contain fixed-price purchase options for additional products. Certain of these contracts are accounted for under the percentage-of-completion method of accounting. Sales and earnings under the percentage-of-completion method are recorded either as products are shipped under the units-of-delivery method (for production effort), or based on the ratio of actual costs incurred to total estimated costs expected to be incurred related to the contract under the cost-to-cost method (for development effort). Approximately 19 percent of our sales are accounted for under the percentage-of-completion method of accounting.

The percentage-of-completion method of accounting requires management to estimate the profit margin for each individual contract and to apply that profit margin on a uniform basis as sales are recorded under the contract. The estimation of profit margins requires management to make projections of the total sales to be generated and the total costs that will be incurred under a contract. These projections require management to make numerous assumptions and estimates relating to items such as the complexity of design and related development costs, performance of subcontractors, availability and cost of materials, labor productivity and cost, overhead and capital costs and manufacturing efficiency. These contracts often include purchase options for additional quantities and customer change orders for additional or revised product functionality. Sales and costs related to profitable purchase options are included in our estimates only when the options are exercised while sales and costs related to unprofitable purchase options are included in our estimates when exercise is determined to be probable. Sales related to change

42

orders are included in profit estimates only if they can be reliably estimated and collectability is reasonably assured. Purchase options and change orders are accounted for either as an integral part of the original contract or separately, depending upon the nature and value of the item. Anticipated losses on contracts are recognized in full in the period in which losses become probable and estimable.

Estimates of profit margins for contracts are typically reviewed by management on a quarterly basis. Assuming the initial estimates of sales and costs under a contract are accurate, the percentage-of-completion method results in the profit margin being recorded evenly as revenue is recognized under the contract. Changes in these underlying estimates due to revisions in sales and cost estimates, the combining of contracts or the exercise of contract options may result in profit margins being recognized unevenly over a contract as such changes are accounted for on a cumulative basis in the period estimates are revised. Cumulative catch-up adjustments resulting from changes in estimates did not have a material effect on our results of operations during the years ended September 30, 2015, 2014 or 2013.

Program Investments

We defer certain pre-production engineering costs in Inventories, net and record up-front sales incentives in Intangible Assets (collectively referred to as Program Investments). These Program Investments are amortized over their estimated useful lives, up to a maximum of 15 years. Estimated useful lives are limited to the amount of time we are virtually assured to earn revenues through a contractually enforceable right included in long-term supply arrangements with our customers. This provides the best matching of expense over the related period of benefit. The following provides an overview of the Program Investments:

	September 30
(in millions)	2015		2014
Pre-production engineering costs	$	1,012	$	876
Up-front sales incentives	239		219
Total Program Investments	$	1,251	$	1,095

We defer the cost of certain pre-production engineering costs incurred during the development phase of a program in connection with long-term supply arrangements that contain contractual guarantees for reimbursement from customers. These customer guarantees generally take the form of a minimum order quantity with quantified reimbursement amounts if the minimum order quantity is not taken by the customer. These costs are deferred in Inventories, net to the extent of the contractual guarantees and are amortized over their estimated useful lives using a units-of-delivery method, up to 15 years. This amortization expense is included in customer funded R&D as a component of cost of sales. Amortization is based on our expectation of delivery rates on a program-by-program basis and begins when we start recognizing revenue as we deliver equipment for the program. Pre-production engineering costs in excess of the contractual guarantee, and costs incurred pursuant to supply arrangements that do not contain customer guarantees for reimbursement, are expensed as incurred.

We also provide up-front sales incentives prior to delivering products or performing services to certain commercial customers in connection with sales contracts. Up-front sales incentives are recorded as a customer relationship intangible asset and are amortized using a units-of-delivery method over the period we have received a contractually enforceable right related to the incentives, up to 15 years after entry into service. Amortization is based on our expectation of delivery rates on a program-by-program basis. Amortization begins when we start recognizing revenue as we deliver equipment for the program. Up-front sales incentives consisting of cash payments or customer account credits are amortized as a reduction of sales, whereas incentives consisting of free products are amortized as cost of sales.

Risks inherent in recovering the value of our Program Investments include, but are not limited to, the following:

• changes in market conditions may affect product sales under a program. In particular, the commercial aerospace market has been historically cyclical and subject to downturns during periods of weak economic conditions, which could be prompted or exacerbated by political or other domestic or international events

• bankruptcy or other significant financial difficulties of our customers

• our ability to produce products could be impacted by the performance of subcontractors, the availability of specialized materials and other production risks

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We evaluate the carrying amount of Program Investments for recovery at least annually or when potential indicators of impairment exist, such as a change in the estimated number of products to be delivered under a program. No significant impairment charges related to Program Investments were recorded in 2015, 2014 or 2013. While we believe our Program Investments are recoverable over time, the cancellation of a program by a customer coupled with bankruptcy or other financial difficulties, would represent the most significant impairment factor related to Program Investments. We also evaluate our amortization of Program Investments quarterly based on our expectation of delivery rates on a program-by-program basis. The impact of changes in expected delivery rates on the Program Investments' amortization is adjusted as needed on a prospective basis.

Amortization expense for pre-production engineering costs and up-front sales incentives for 2015, 2014 and 2013 was as follows:

(in millions)	2015		2014		2013
Amortization of pre-production engineering	$	47	$	36	$	25
Amortization of up-front sales incentives	15		12		9
Total amortization of Program Investments	$	62	$	48	$	34

As disclosed in Note 6 of the Notes to Consolidated Financial Statements, the weighted-average amortization period for pre-production engineering costs is approximately 11 years. As disclosed in Note 8 of the Notes to Consolidated Financial Statements, the weighted-average amortization period for up-front sales incentives is approximately 10 years. Anticipated amortization expense for the Program Investments recorded on our balance sheet at September 30, 2015, for 2016 and beyond is summarized below:

(in millions)	2016		2017		2018		2019		2020		Thereafter
Anticipated amortization expense for pre-production engineering costs (1)	$	55	$	81	$	106	$	128	$	128	$	487
Anticipated amortization expense for up-front sales incentives	17		18		21		25		25		133
Total anticipated amortization for Program Investments	$	72	$	99	$	127	$	153	$	153	$	620

⁽¹⁾ On October 29, 2015, Bombardier announced the cancellation of the Learjet 85 program. Pre-production engineering costs associated with the Learjet 85 program have been excluded from anticipated amortization expense, as these costs are expected to be recovered through consideration received from Bombardier pursuant to contractual guarantees and not amortized against future hardware deliveries.

Pre-production engineering costs comprise 55 percent of our total Inventory balance at September 30, 2015, compared to 51 percent in the prior year. Pre-production engineering costs increased $136 million from September 30, 2014 to September 30, 2015. The majority of this increase was attributable to increased spending on programs with Bombardier and Boeing and increased investment on several Government Systems international rotary-wing programs. Additionally, up-front sales incentives to Commercial Systems customers increased $20 million from September 30, 2014 to September 30, 2015.

Growth in our Program Investments continues to be driven by the expanded market share our Company successfully captured over the past several years. Commercial Systems has secured positions on several key platforms in the air transport market, including the Boeing 737 MAX and Airbus A350. In the business and regional jet market, our Pro Line Fusion avionics system has been selected by customers around the globe, including Bombardier, Embraer and Gulfstream.

We believe our Program Investments are recoverable based upon our contractually enforceable rights under long-term supply arrangements and the expected revenues and profits associated with our positions on these aircraft platforms.

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Income Taxes

At the end of each quarterly reporting period, we estimate an effective income tax rate that is expected to be applicable for the full fiscal year. The estimate of our effective income tax rate involves significant judgments resulting from uncertainties in the application of complex tax regulations across many jurisdictions, implementation of tax planning strategies and estimates as to the jurisdictions where income is expected to be earned. These estimates may be further complicated by new laws, new interpretations of existing laws and rulings by taxing authorities. Due to the subjectivity and complex nature of these underlying issues, our actual effective income tax rate and related tax liabilities may differ from our initial estimates. Differences between our estimated and actual effective income tax rates and related liabilities are recorded in the period they become known or as our estimates are revised based on additional information. The resulting adjustment to our income tax expense could have a material effect on our results of operations in the period the adjustment is recorded. A one percentage point change in our effective income tax rate would change our annual income from continuing operations by approximately $10 million.

Deferred tax assets and liabilities are recorded for tax carryforwards and the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting and income tax purposes. The future realization of our deferred tax assets ultimately depends on our ability to generate sufficient taxable income of the appropriate character (for example, ordinary income or capital gains) within the carryback and carryforward periods available under the tax law and, to a lesser extent, our ability to execute successful tax planning strategies. Management believes it is more likely than not that the current and long-term deferred tax assets will be realized through the reduction of future taxable income, except for a deferred tax asset which has been fully reserved and relates to a U.S. capital loss carry-forward. A change in the ability of our operations to continue to generate future taxable income, or our ability to implement desired tax planning strategies, could affect our ability to realize the future tax deductions underlying our net deferred tax assets, and require us to provide a valuation allowance against our net deferred tax assets. The recognition of a valuation allowance would result in a reduction to net income and if significant, could have a material impact on our effective tax rate, results of operations and financial position in any given period.

As part of the determination of our tax liability, management exercises considerable judgment in evaluating tax positions taken by us in determining the income tax provision and establishes reserves for tax contingencies in accordance with the Income Taxes topic of the FASB Accounting Standards Codification. See Note 15 of the Notes to Consolidated Financial Statements in Item 8 below for further detail regarding unrecognized tax benefits, deferred taxes and the factors considered in evaluating deferred tax asset realization.

Goodwill

As of September 30, 2015, we had $1.904 billion of goodwill related to various business acquisitions, including the ARINC acquisition. We perform impairment tests on goodwill on an annual basis during the second quarter of each fiscal year, or on an interim basis if events or circumstances indicate that it is more likely than not that impairment has occurred.

Goodwill is potentially impaired if the carrying value of the reporting unit that contains the goodwill exceeds its estimated fair value. The fair values of our reporting units are generally determined using a combination of an income approach, which estimates fair value based upon future discounted cash flows, and a market approach, which estimates fair value using market multiples, ratios and valuations of a set of comparable public companies within our industry. In 2013, we adopted new accounting guidance which allows companies the option of making an initial qualitative evaluation to determine the likelihood of goodwill impairment. Depending on the results of the qualitative evaluation, additional quantitative analysis may be required. For example, certain financial information may be reviewed, including our five-year strategic operating plan, and certain judgments may be required, including projections about future business conditions in our industry and our ability to compete. We completed our annual goodwill impairment test in the second quarter of 2015 and concluded no impairment of goodwill exists, as all goodwill reporting units had a calculated fair value in excess of carrying value of greater than 19 percent. Although goodwill is not currently impaired, there can be no assurance that future impairments will not occur. Significant negative industry or economic trends, disruptions to our business, failure to achieve the revenue and cost synergies expected from our ARINC acquisition, or other unexpected significant changes in the use of certain assets could all have a negative effect on fair values in the future.

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Warranty

Accrued liabilities are recorded on our Consolidated Statement of Financial Position to reflect our contractual obligations relating to warranty commitments to our customers. We provide warranty coverage of various lengths and terms to our customers depending on standard offerings and negotiated contractual agreements. We record an estimate for warranty expense at the time of sale based on historical warranty return rates and repair costs. We believe our primary source of warranty cost uncertainty relates to warranty terms with longer duration.

As shown in Note 18 of the Notes to Consolidated Financial Statements in Item 8 below, the carrying amount of accrued product warranty costs has declined $37 million from a balance of $126 million at September 30, 2012, to a balance of $89 million at September 30, 2015.

Approximately $32 million of the decrease in our accrued warranty balance from 2012 to 2015 is attributable to favorable adjustments recorded in 2015, 2014 and 2013 to reduce warranty reserves for changes in estimates, as shown in Note 18 of the Notes to Consolidated Financial Statements in Item 8 below. These reductions were principally driven by the completion of certain Government Systems programs that no longer require a warranty and a favorable impact from lower than anticipated repair costs across various product areas.

Should future warranty experience differ materially from our historical experience, we may be required to record additional warranty liabilities which could have a material adverse effect on our results of operations and cash flows in the period in which these additional liabilities are required.

Pension Benefits

In 2003, we amended our U.S. qualified and non-qualified pension plans covering all salary and hourly employees not covered by collective bargaining agreements to close the plans to new participants and to discontinue benefit accruals for salary increases and services rendered after September 30, 2006. In addition, ARINC froze the majority of its pension plans for employees not covered by bargaining unit agreements in 2006, prior to being acquired by us. Accounting standards require these plans to be measured on an actuarial basis. These accounting standards will generally reduce, but not eliminate, the volatility of pension expense as actuarial gains and losses resulting from both normal year-to-year changes in valuation assumptions and the differences from actual experience are deferred and amortized. The application of these accounting standards requires management to make numerous assumptions and judgments that can significantly affect these measurements. Critical assumptions made by management in performing these actuarial valuations include the selection of discount rates and expectations on the future rate of return on pension plan assets.

In October 2014, the Society of Actuaries published a new set of mortality tables (RP-2014) and a new mortality improvement scale (MP-2014), which update life expectancy assumptions. While accounting standards do not prescribe the use of a specific set of mortality tables in the measurement of pension obligations, mortality is a key assumption in developing actuarial estimates. The newly published tables generally reflect longer life expectancy than was projected by past tables. For our 2015 year-end pension liability valuation, we used the RP-2014 tables with an adjustment for plan experience and the MP-2014 improvement scale adjusted to reflect convergence to an ultimate annual rate of mortality improvement of 0.75 percent by 2022. These changes resulted in an increase to the 2015 projected pension benefit obligation of $310 million, and are expected to unfavorably impact 2016 pension income by $15 million. Required pension contributions are not expected to be impacted by these changes until no earlier than 2017.

Discount rates are used to determine the present value of our pension obligations and also affect the amount of pension expense recorded in any given period. We estimate this discount rate based on the rates of return of high quality, fixed-income investments with maturity dates that reflect the expected time horizon that benefits will be paid (see Note 11 of the Notes to Consolidated Financial Statements in Item 8 below). Changes in the discount rate could have a material effect on our reported pension obligations and would also impact the related pension expense.

Historically, the weighted-average discount rate was used in the calculation of service and interest costs, both of which are components of pension expense. We plan to utilize a "spot rate approach" in the calculation of pension interest and service cost for 2016 and beyond. The spot rate approach applies separate discount rates for each projected benefit payment in the calculation of pension interest and service cost. This calculation change is considered a change in accounting estimate and will be applied prospectively in 2016. The use of the spot rate approach is expected to result in a favorable impact to pension income of $35 million in 2016 relative to the estimated pension income amount had we not changed our approach.

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The expected rate of return is our estimate of the long-term earnings rate on our pension plan assets and is based upon both historical long-term actual and expected future investment returns considering the current investment mix of plan assets. Differences between the actual and expected rate of return on plan assets can impact our expense for pension benefits.

Holding all other factors constant, the estimated impact on 2015 pension expense and pension benefit obligation for our U.S. plans caused by hypothetical changes to key assumptions is as follows:

	Change in Assumption (in millions)
Assumption	25 Basis Point Increase	25 Basis Point Decrease
Pension obligation discount rate	$111 pension projected benefit obligation decrease	$113 pension projected benefit obligation increase
Pension obligation discount rate	$1 pension expense increase	$1 pension expense decrease
Expected long-term rate of return on plan assets	$7 pension expense decrease	$7 pension expense increase

Inventory Valuation Reserves

Inventory valuation reserves are recorded in order to report inventories at the lower of cost or market value on our Consolidated Statement of Financial Position. The determination of inventory valuation reserves requires management to make estimates and judgments on the future salability of inventories. Valuation reserves for excess, obsolete and slow-moving inventory are estimated by comparing the inventory levels of individual parts to both future sales forecasts or production requirements and historical usage rates in order to identify inventory that is unlikely to be sold above cost. Other factors that management considers in determining these reserves include overall market conditions and other inventory management initiatives. Management can generally react to reduce the likelihood of severe excess and slow-moving inventory issues by changing purchasing behavior, although abrupt changes in market conditions can limit our ability to react quickly.

Management believes its primary source of risk for excess and obsolete inventory is derived from life-time buy inventory. Life-time buy inventory consists of inventory that is typically no longer being produced by our vendors but for which we purchase multiple years of supply in order to meet production and service requirements. Total life-time buy inventory on hand at September 30, 2015 was $111 million.

Excluding pre-production engineering costs and progress payments, we had $906 million of gross inventory on hand at September 30, 2015 with $87 million of inventory valuation reserves. Although management believes these reserves are adequate, any abrupt changes in market conditions may require us to record additional inventory valuation reserves which could have a material adverse effect on our results of operations in the period in which these additional reserves are required. Pre-production engineering costs are discussed in the "Program Investments" section of our Critical Accounting Policies above.

Item 7A. Quantitative and Qualitative Disclosures about Market Risk.

Interest Rate Risk

In addition to using cash provided by normal operating activities, we utilize a combination of short-term and long-term debt to finance operations. Our operating results and cash flows are exposed to changes in interest rates that could adversely affect the amount of interest expense incurred and paid on debt obligations in any given period. In addition, changes in interest rates can affect the fair value of our debt obligations. Such changes in fair value are only relevant to the extent these debt obligations are settled prior to maturity. We manage our exposure to interest rate risk by maintaining an appropriate mix of fixed and variable rate debt and, when considered necessary, we may employ financial instruments in the form of interest rate swaps to help meet this objective.

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At September 30, 2015, we had the following unsecured long-term debt obligations:

	September 30, 2015
(in millions)	Interest Rate	Carrying Value		Fair Value
$400 Notes due 2043	4.80%	$	398	$	442
$400 Notes due 2023	3.70%	399		420
$250 Notes due 2021	3.10%	250		255
$300 Notes due 2019	5.25%	299		333
$300 Notes due 2016	3 month LIBOR plus 0.35%	300		300

In June 2015, we entered into interest rate swap contracts which effectively converted $150 million of the Notes due 2019 to floating rate debt based on three-month LIBOR plus 3.56 percent.

In March 2014, we entered into interest rate swap contracts which effectively converted $200 million of the Notes due 2023 to floating rate debt based on one-month LIBOR plus 0.94 percent.

In January 2010, we entered into interest rate swap contracts which effectively converted $150 million of the Notes due 2019 to floating rate debt based on six-month LIBOR plus 1.235 percent.

A hypothetical 10 percent increase in average market interest rates would have decreased the fair value of our long-term fixed rate debt, exclusive of the effects of the interest rate swap contracts, by $29 million. A hypothetical 10 percent decrease in average market interest rates would have increased the fair value of our long-term fixed rate debt, exclusive of the effects of the interest rate swap contracts, by $30 million. The fair value of the $500 million notional value of interest rate swap contracts was a $34 million net asset at September 30, 2015. A hypothetical 10 percent increase or decrease in average market interest rates would decrease or increase the fair value of our interest rate swap contracts by $4 million. Our results of operations are affected by changes in market interest rates related to variable rate debt. Inclusive of the effect of the interest rate swaps, a hypothetical 10 percent increase or decrease in average market interest rates would not have a material effect on our operations or cash flows. For more information related to outstanding debt obligations and derivative financial instruments, see Notes 10, 16 and 17 in the Notes to Consolidated Financial Statements.

Foreign Currency Risk

We transact business in various foreign currencies which subjects our cash flows and earnings to exposure related to changes to foreign currency exchange rates. We attempt to manage this exposure through operational strategies and the use of foreign currency forward exchange contracts (foreign currency contracts). All foreign currency contracts are executed with banks we believe to be creditworthy and are denominated in currencies of major industrial countries. The majority of our non-functional currency firm and anticipated receivables and payables are hedged using foreign currency contracts. It is our policy not to manage exposure to net investments in non-U.S. subsidiaries or enter into derivative financial instruments for speculative purposes. Notional amounts of outstanding foreign currency contracts were $359 million and $575 million at September 30, 2015 and September 30, 2014, respectively. Notional amounts are stated in U.S. dollar equivalents at spot exchange rates at the respective dates. Principal currencies that are hedged include the European euro, British pound sterling and Japanese yen. The duration of foreign currency contracts is generally five years or less. The net fair value of these foreign currency contracts was a $4 million net liability at September 30, 2015 and a $3 million net liability September 30, 2014. A 10 percent increase in the value of the U.S. dollar against all currencies would decrease the fair value of our foreign currency contracts at September 30, 2015 by $1 million. A 10 percent decrease in the value of the U.S. dollar against all currencies would increase the fair value of our foreign currency contracts at September 30, 2015 by $2 million. For more information related to outstanding currency forward exchange contracts, see Notes 16 and 17 in the Notes to Consolidated Financial Statements in Item 8 below.

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Item 8. Financial Statements and Supplementary Data.

MANAGEMENT'S REPORT ON INTERNAL CONTROL OVER FINANCIAL REPORTING

Management is responsible for establishing and maintaining adequate internal control over financial reporting as defined in Rules 13a-15(f) and 15d-15(f) under the Securities Exchange Act of 1934. Rockwell Collins' internal control over financial reporting is a process designed, under the supervision of the Chief Executive Officer and Chief Financial Officer, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of consolidated financial statements for external purposes in accordance with accounting principles generally accepted in the United States of America. Our internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of Rockwell Collins; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of consolidated financial statements in accordance with accounting principles generally accepted in the United States of America, and that our receipts and expenditures are being made only in accordance with authorizations of Rockwell Collins' management and directors; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of our assets that could have a material effect on the consolidated financial statements.

Because of its inherent limitations, internal control over financial reporting may not prevent or detect misstatements. Also, projections of any evaluation of effectiveness to future periods are subject to the risk that controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

Management assessed the effectiveness of Rockwell Collins' internal control over financial reporting as of September 30, 2015. In making this assessment, management used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission in Internal Control-Integrated Framework (2013). Based on this assessment, management determined that Rockwell Collins maintained effective internal control over financial reporting as of September 30, 2015.

Rockwell Collins' internal control over financial reporting as of September 30, 2015 has been audited by Deloitte & Touche LLP, an independent registered public accounting firm, as stated in their report which is included within the Controls and Procedures section in Item 9A of this Form 10-K.

/s/ ROBERT K. ORTBERG	/s/ PATRICK E. ALLEN
Robert K. Ortberg Chairman, President & Chief Executive Officer	Patrick E. Allen Senior Vice President & Chief Financial Officer

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REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareowners of

Rockwell Collins, Inc.

We have audited the accompanying consolidated statements of financial position of Rockwell Collins, Inc. and subsidiaries (the "Company") as of October 2, 2015 and October 3, 2014, and the related consolidated statements of operations, comprehensive income, cash flows, and equity for each of the three years in the period ended October 2, 2015. These financial statements are the responsibility of the Company's management. Our responsibility is to express an opinion on these financial statements based on our audits.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, such consolidated financial statements present fairly, in all material respects, the financial position of the Company as of October 2, 2015 and October 3, 2014, and the consolidated results of its operations and its cash flows for each of the three years in the period ended October 2, 2015, in conformity with accounting principles generally accepted in the United States of America.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the Company’s internal control over financial reporting as of October 2, 2015, based on the criteria established in Internal Control-Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission and our report dated November 17, 2015 expressed an unqualified opinion on the Company's internal control over financial reporting.

/s/ DELOITTE & TOUCHE LLP

Chicago, Illinois

November 17, 2015

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ROCKWELL COLLINS, INC.

CONSOLIDATED STATEMENT OF FINANCIAL POSITION

(in millions, except per share amounts)

	September 30
	2015			2014
ASSETS
Current Assets:
Cash and cash equivalents	$	252		$	323
Receivables, net	1,038			1,033
Inventories, net	1,824			1,709
Current deferred income tax asset	9			9
Business held for sale	—			15
Other current assets	110			115
Total current assets	3,233			3,204
Property	964			919
Goodwill	1,904			1,863
Intangible Assets	703			688
Long-term Deferred Income Taxes	241			101
Other Assets	344			288
TOTAL ASSETS	$	7,389		$	7,063
LIABILITIES AND EQUITY
Current Liabilities:
Short-term debt	$	448		$	504
Accounts payable	487			535
Compensation and benefits	273			256
Advance payments from customers	365			359
Accrued customer incentives	232			202
Product warranty costs	89			104
Current deferred income tax liability	84			57
Liabilities associated with business held for sale	—			16
Other current liabilities	166			165
Total current liabilities	2,144			2,198
Long-term Debt, Net	1,680			1,663
Retirement Benefits	1,466			1,096
Other Liabilities	219			217
Equity:
Common stock ($0.01 par value; shares authorized: 1,000; shares issued as of September 30, 2015 and 2014: 183.8)	2			2
Additional paid-in capital	1,519			1,489
Retained earnings	5,124			4,605
Accumulated other comprehensive loss	(1,699		)	(1,366		)
Common stock in treasury, at cost (shares held: September 30, 2015, 51.9; September 30, 2014, 49.8)	(3,071		)	(2,846		)
Total shareowners’ equity	1,875			1,884
Noncontrolling interest	5			5
Total equity	1,880			1,889
TOTAL LIABILITIES AND EQUITY	$	7,389		$	7,063

See Notes to Consolidated Financial Statements.

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ROCKWELL COLLINS, INC.

CONSOLIDATED STATEMENT OF OPERATIONS

(in millions, except per share amounts)

	Year Ended September 30
	2015			2014			2013
Sales
Product sales	$	4,438		$	4,309		$	4,230
Service sales	806			670			244
Total sales	5,244			4,979			4,474
Costs, expenses and other:
Product cost of sales	3,064			3,001			2,936
Service cost of sales	566			468			167
Selling, general and administrative expenses	606			594			495
Interest expense	61			59			28
Other income, net	(15		)	(25		)	(17		)
Total costs, expenses and other	4,282			4,097			3,609
Income from continuing operations before income taxes	962			882			865
Income tax expense	268			264			235
Income from continuing operations	694			618			630
Income (loss) from discontinued operations, net of taxes	(8		)	(14		)	2
Net income	$	686		$	604		$	632
Earnings (loss) per share:
Basic
Continuing operations	$	5.25		$	4.57		$	4.62
Discontinued operations	(0.06		)	(0.10		)	0.01
Basic earnings per share	$	5.19		$	4.47		$	4.63
Diluted
Continuing operations	$	5.19		$	4.52		$	4.56
Discontinued operations	(0.06		)	(0.10		)	0.02
Diluted earnings per share	$	5.13		$	4.42		$	4.58
Weighted average common shares:
Basic	132.3			135.1			136.5
Diluted	133.7			136.7			138.1
Cash dividends per share	$	1.26		$	1.20		$	1.20

See Notes to Consolidated Financial Statements.

52

ROCKWELL COLLINS, INC.

CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME

(in millions)

	Year Ended September 30
	2015			2014			2013
Net income	$	686		$	604		$	632
Unrealized foreign currency translation adjustments	(41		)	(27		)	2
Pension and other retirement benefits adjustments (net of taxes: 2015, $169; 2014, $29; 2013, $(191))	(289		)	(55		)	326
Foreign currency cash flow hedge adjustments (net of taxes: 2015, $(1); 2014, $1; 2013, $(2))	(3		)	3			(8		)
Comprehensive income	$	353		$	525		$	952

See Notes to Consolidated Financial Statements.

53

ROCKWELL COLLINS, INC.

CONSOLIDATED STATEMENT OF CASH FLOWS

(in millions)

	Year Ended September 30
	2015			2014			2013
Operating Activities:
Net income	$	686		$	604		$	632
Income (loss) from discontinued operations, net of tax	(8		)	(14		)	2
Income from continuing operations	694			618			630
Adjustments to arrive at cash provided by operating activities:
Restructuring, asset impairment and other charges	—			9			—
Gain on sale of business	—			(10		)	—
Depreciation	152			141			124
Amortization of intangible assets and pre-production engineering costs	100			84			53
Stock-based compensation expense	24			24			20
Compensation and benefits paid in common stock	50			50			53
Excess tax benefit from stock-based compensation	(13		)	(6		)	(9		)
Deferred income taxes	50			113			55
Pension plan contributions	(69		)	(75		)	(122		)
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments:
Receivables	(46		)	67			(97		)
Production inventory	(23		)	(84		)	(96		)
Pre-production engineering costs	(183		)	(198		)	(170		)
Accounts payable	(29		)	23			14
Compensation and benefits	24			(60		)	33
Advance payments from customers	16			(11		)	32
Accrued customer incentives	30			18			10
Product warranty costs	(14		)	(14		)	(5		)
Income taxes	50			(21		)	70
Other assets and liabilities	(64		)	(8		)	(2		)
Cash Provided by Operating Activities from Continuing Operations	749			660			593
Investing Activities:
Property additions	(210		)	(163		)	(120		)
Acquisition of businesses, net of cash acquired	(74		)	(1,405		)	—
Proceeds from the disposition of property	—			—			3
Acquisition of intangible assets	—			(1		)	(1		)
Proceeds from business divestitures	—			24			—
Other investing activities	(10		)	8			—
Cash Used for Investing Activities from Continuing Operations	(294		)	(1,537		)	(118		)
Financing Activities:
Purchases of treasury stock	(330		)	(211		)	(589		)
Cash dividends	(167		)	(162		)	(164		)
Repayment of short-term borrowings	—			(200		)	—
Increase (decrease) in short-term commercial paper borrowings, net(1)	(56		)	269			235
Increase in long-term borrowings	—			1,089			—
Proceeds from the exercise of stock options	49			37			61
Excess tax benefit from stock-based compensation	13			6			9
Other financing activities	(1		)	(1		)	—
Cash Provided by (Used for) Financing Activities from Continuing Operations	(492		)	827			(448		)

(Continued on next page)

54

ROCKWELL COLLINS, INC.

CONSOLIDATED STATEMENT OF CASH FLOWS, CONTINUED

(in millions)

	Year Ended September 30
	2015			2014			2013
Effect of exchange rate changes on cash and cash equivalents	(23		)	(12		)	5
Discontinued Operations:
Operating activities	(14		)	(16		)	24
Investing activities	3			10			—
Cash provided by (used for) discontinued operations:	(11		)	(6		)	24
Net Change in Cash and Cash Equivalents	(71		)	(68		)	56
Cash and Cash Equivalents at Beginning of Period	323			391			335
Cash and Cash Equivalents at End of Period	$	252		$	323		$	391

See Notes to Consolidated Financial Statements.

⁽¹⁾ Includes gross borrowings and repayments of commercial paper with maturities greater than three months as follows:

	Year Ended September 30
	2015		2014		2013
Gross borrowings of commercial paper with maturities greater than three months	$	—	$	265	$	—
Gross payments of commercial paper with maturities greater than three months	—		265		—
Net borrowings of commercial paper with maturities greater than three months	$	—	$	—	$	—

55

ROCKWELL COLLINS, INC.

CONSOLIDATED STATEMENT OF EQUITY

(in millions)

	Year Ended September 30
	2015			2014			2013
Common Stock
Beginning and ending balance	$	2		$	2		$	2
Additional Paid-In Capital
Beginning balance	1,489			1,469			1,460
Tax benefit from stock-based compensation	12			3			11
Shares issued under stock option and benefit plans	(6		)	(7		)	(22		)
Stock-based compensation	24			24			20
Ending balance	1,519			1,489			1,469
Retained Earnings
Beginning balance	4,605			4,163			3,708
Net income	686			604			632
Cash dividends	(167		)	(162		)	(164		)
Shares issued under stock option and benefit plans	—			—			(13		)
Ending balance	5,124			4,605			4,163
Accumulated Other Comprehensive Loss
Beginning balance	(1,366		)	(1,287		)	(1,607		)
Pension and other retirement benefit adjustment	(289		)	(55		)	326
Currency translation gain (loss)	(41		)	(27		)	2
Unrealized gain (loss) from foreign currency cash flow hedges	(3		)	3			(8		)
Ending balance	(1,699		)	(1,366		)	(1,287		)
Common Stock in Treasury
Beginning balance	(2,846		)	(2,729		)	(2,304		)
Share repurchases	(325		)	(206		)	(569		)
Shares issued from treasury	100			89			144
Ending balance	(3,071		)	(2,846		)	(2,729		)
Total Shareowners' Equity	1,875			1,884			1,618
Noncontrolling Interest
Beginning and ending balance	5			5			5
Total Equity	$	1,880		$	1,889		$	1,623

See Notes to Consolidated Financial Statements.

56

ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

1. Business Description and Basis of Presentation

Rockwell Collins, Inc. (the Company or Rockwell Collins) designs, produces and supports communications and aviation systems for commercial and military customers and provides information management services through voice and data communication networks and solutions worldwide.

The Company operates on a 52/53 week fiscal year ending on the Friday closest to September 30. Fiscal year 2014 was a 53-week year, while 2015 and 2013 were 52-week years. For ease of presentation, September 30 is utilized consistently throughout these financial statements and notes to represent the fiscal year end date. All date references contained herein relate to the Company's fiscal year unless otherwise stated.

As discussed in Note 4, Discontinued Operations and Divestitures, on March 10, 2015 the Company divested the Aerospace Systems Engineering and Support (ASES) business, which was acquired as part of the ARINC Incorporated (ARINC) transaction. On July 25, 2014 the Company divested its satellite communication systems business, formerly known as Datapath, Inc. (Datapath). As a result of the divestitures, the operating results of ASES and Datapath have been accounted for as discontinued operations for all periods presented. Unless otherwise noted, disclosures pertain to the Company's continuing operations.

2. Significant Accounting Policies

Consolidation

The consolidated financial statements include the accounts of the Company and all majority-owned subsidiaries. The Company has one consolidated subsidiary with income attributable to a noncontrolling interest. The net income and comprehensive income attributable to the noncontrolling interest is insignificant. The Company's investments in entities it does not control but over which it has the ability to exercise significant influence are accounted for under the equity method and are included in Other Assets. All intercompany transactions are eliminated.

Foreign Currency Translation and Transactions

The functional currency for significant subsidiaries operating outside the United States is typically their respective local currency. Assets and liabilities of subsidiaries operating outside the United States with a functional currency other than the U.S. dollar are translated into U.S. dollars using the exchange rate at the balance sheet date. Sales, costs and expenses are translated at the average exchange rates in effect during the period. Foreign currency translation gains and losses are included as a component of Accumulated other comprehensive loss within the Consolidated Statements of Comprehensive Income and Equity.

Foreign exchange transaction gains and losses due to the remeasurement of account balances in foreign currencies are included within the Consolidated Statement of Operations and were not material to the Company's results of operations for 2015, 2014 and 2013.

Revenue Recognition

The Company enters into sales arrangements that may provide for multiple deliverables to a customer. The Company identifies all goods and/or services that are to be delivered separately under a sales arrangement and allocates revenue to each deliverable based on relative fair values. Fair values are generally established based on the prices charged when sold separately by the Company. In general, revenues are separated between hardware, engineering services, maintenance services and installation services. The allocated revenue for each deliverable is then recognized using appropriate revenue recognition methods.

Sales related to long-term contracts requiring development and delivery of products over several years are generally accounted for under the percentage-of-completion method of accounting in accordance with the Construction-Type and Production-Type Contracts subtopic of the Financial Accounting Standards Board (FASB) Accounting Standards Codification. The percentage-of-completion method is predominately used in the Government Systems segment and sales and earnings under qualifying contracts are recorded either as products are shipped under the units-of-delivery method (for production effort), or based on the ratio of actual costs incurred to total estimated costs expected to be incurred related to the contract under the cost-to-cost method (for development effort). Purchase options and change

57

ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

orders are accounted for either as an integral part of the original contract or separately depending upon the nature and value of the item. Sales and costs related to profitable purchase options are included in estimates only when the options are exercised whereas sales and costs related to unprofitable purchase options are included in estimates when exercise is determined to be probable. Sales related to change orders are included in estimates only if they can be reliably estimated and collectability is reasonably assured. Anticipated losses on contracts are recognized in full in the period in which losses become probable and estimable. Changes in estimates of profit or loss on contracts are included in earnings on a cumulative basis in the period the estimate is changed.

Sales related to long-term separately priced product maintenance or warranty contracts are accounted for based on the terms of the underlying agreements. Certain contracts are fixed-price contracts with sales recognized ratably over the contractual life, while other contracts have a fixed hourly rate with sales recognized based on actual labor or flight hours incurred. The cost of providing these services is expensed as incurred.

The Company recognizes sales for most other products or services when all of the following criteria are met: an agreement of sale exists, product delivery and acceptance has occurred or services have been rendered, pricing is fixed or determinable and collection is reasonably assured.

Cash and Cash Equivalents

Cash and cash equivalents include time deposits, certificates of deposit with original maturity dates of three months or less and money market funds.

Allowance for Doubtful Accounts

Allowances are established in order to report receivables at net realizable value on the Company's Consolidated Statement of Financial Position. The determination of these allowances requires management of the Company to make estimates and judgments as to the collectability of customer account balances. The allowance for doubtful accounts reflects our best estimate of probable losses inherent in the accounts receivable balance. We determine the allowance based on known troubled accounts, historical experience and other currently available evidence.

Inventories

Inventories are stated at the lower of cost or market using costs which approximate the first-in, first-out method, less related progress payments received. Inventoried costs include direct costs of manufacturing, certain engineering costs and allocable overhead costs. The Company regularly compares inventory quantities on hand on a part level basis to estimated forecasts of product demand and production requirements as well as historical usage. Based on these comparisons, management establishes an excess and obsolete inventory reserve as needed. Inventory valuation reserves were $87 million and $91 million at September 30, 2015 and 2014, respectively.

The Company defers certain pre-production engineering costs during the development phase of a program in connection with long-term supply arrangements that contain contractual guarantees for reimbursement from customers. Such customer guarantees generally take the form of a minimum order quantity with quantified reimbursement amounts if the minimum order quantity is not taken by the customer. These costs are deferred to the extent of the contractual guarantees and are amortized over their estimated useful lives using a units-of-delivery method, up to 15 years. This amortization expense is included as a component of cost of sales. Amortization is based on the Company’s expectation of delivery rates on a program-by-program basis and begins when the Company starts recognizing revenue as the Company delivers equipment for the program. The estimated useful life is limited to the amount of time the Company is virtually assured to earn revenues under long-term supply arrangements with the Company’s customers. Pre-production engineering costs incurred pursuant to supply arrangements that do not contain customer guarantees for reimbursement are expensed as incurred.

Progress Payments

Progress payments relate to both receivables and inventories and represent cash collected from government-related contracts whereby the governments have a legal right of offset related to the receivable or legal title to the work-in-process inventory.

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ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

Property

Property is stated at acquisition cost, net of accumulated depreciation. Depreciation of property is generally provided using straight-line methods over the following estimated useful lives: buildings and improvements, 10-40 years; machinery and equipment (including internally developed software and other costs associated with the expansion and construction of ARINC's network-related assets), 3-15 years; information systems software and hardware, 3-10 years; and furniture and fixtures, 5-15 years. Depreciation methods and lives are reviewed periodically with any changes recorded on a prospective basis.

Significant renewals and betterments are capitalized and replaced units are written off. Maintenance and repairs, as well as renewals of minor amounts, are charged to expense in the period incurred. The fair value of liabilities associated with the retirement of property is recorded when there is a legal or contractual requirement to incur such costs and the costs can be reasonably estimated. Upon the initial recognition of a contractual or legal liability for an asset retirement obligation, the Company capitalizes the asset retirement cost by increasing the carrying amount of the property by the same amount as the liability. This asset retirement cost is then depreciated over the estimated useful life of the underlying property. The Company did not have any significant asset retirement obligations at September 30, 2015 and 2014.

Goodwill and Intangible Assets

Goodwill and intangible assets generally result from business acquisitions. The purchase price of the acquisition is assigned to tangible and intangible assets and liabilities assumed based on fair value. The excess of the purchase price over the amounts assigned is recorded as goodwill. Assets acquired and liabilities assumed are allocated to the Company's reporting units based on the Company's integration plans and internal reporting structure. As of September 30, 2015 the Company had six reporting units. Purchased intangible assets with finite lives are amortized over their estimated useful lives, ranging from 5-23 years. Goodwill and intangible assets with indefinite lives are not amortized, but are reviewed at least annually for impairment.

Customer Relationship Up-Front Sales Incentives

The Company provides up-front sales incentives prior to delivering products or performing services to certain commercial customers in connection with sales contracts. Up-front sales incentives are recorded as a Customer relationship intangible asset and are amortized using a units-of-delivery method over the period the Company has received a contractually enforceable right related to the incentives, up to 15 years after entry into service. Amortization is based on the Company’s expectation of delivery rates on a program-by-program basis. Amortization begins when the Company starts recognizing revenue as the Company delivers equipment for the program. Up-front sales incentives consisting of cash payments or customer account credits are amortized as a reduction of sales, whereas incentives consisting of free products are amortized as cost of sales.

Accrued Customer Incentives

Incentives earned by customers based on purchases of Company products or services are recognized as a liability when the related sale is recorded. Incentives consisting of cash payments or customer account credits are recognized as a reduction of sales, while incentives consisting of free products and account credits where the customer's use is restricted to future purchases are recognized as cost of sales.

Impairment of Long-Lived Assets

Long-lived assets are reviewed for impairment when management plans to dispose of assets or when events or circumstances indicate that the carrying amount of a long-lived asset is more-likely-than-not unrecoverable. Assets held for disposal are reported at the lower of the carrying amount or fair value less cost to sell. Management determines fair value using a discounted future cash flow analysis or other accepted valuation techniques. Long-lived assets held for use are reviewed for impairment by comparing the carrying amount of an asset to the undiscounted future cash flows expected to be generated by the asset over its remaining useful life. If an asset is considered to be impaired, the impairment to be recognized is measured as the amount by which the carrying amount of the asset exceeds its fair value.

Goodwill and indefinite-lived intangible assets are tested annually for impairment with more frequent tests performed if indications of impairment exist. The Company's annual impairment testing date is in the second quarter of each fiscal year. Impairment for intangible assets with indefinite lives exists if the carrying value of the intangible asset

59

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

exceeds its fair value. Goodwill is potentially impaired if the carrying value of a reporting unit exceeds its estimated fair value. As of September 30, 2015, the Company hadsixreporting units.

Advance Payments from Customers

Advance payments from customers represent cash collected from customers in advance of revenue recognition.

Capital Leases

Assets under capital lease and capital lease obligation are initially measured at the lower of estimated fair value or present value of the minimum lease payments. The present value of minimum lease payments is calculated for payments during the noncancelable lease term using the lower of the Company's estimated incremental borrowing rate or the rate implicit in the lease, if known. Capital lease obligation is recorded within Other Liabilities and the related assets are recorded in Property or Other Assets based upon their intended use. Payments are allocated between a reduction of the lease obligation and interest expense using the interest method. Assets under capital lease are depreciated over the noncancelable lease term, ranging from 5-15 years, consistent with the Company's depreciation policy.

Research and Development

The Company performs R&D activities relating to the development of new products and the improvement of existing products. Company-funded R&D programs are expensed as incurred and included in cost of sales. Company-funded R&D expenditures were $272 million, $268 million and $291 million for fiscal years ended September 30, 2015, 2014 and 2013, respectively.

Environmental

Liabilities for environmental matters are recorded in the period in which it is probable that an obligation has been incurred and the cost can be reasonably estimated. At environmental sites in which more than one potentially responsible party has been identified, the Company records a liability for its estimated allocable share of costs related to its involvement with the site as well as an estimated allocable share of costs related to the involvement of insolvent or unidentified parties. At environmental sites in which the Company is the only responsible party, the Company records a liability for the total estimated costs of remediation.

Income Taxes

Current tax liabilities and assets are based upon an estimate of taxes payable or refundable in the current year for each of the jurisdictions in which the Company is subject to tax. As part of the determination of its tax liability, management exercises considerable judgment in evaluating tax positions taken by the Company in determining the income tax provision and establishes reserves for uncertain tax positions in accordance with the Income Taxes topic of the FASB Accounting Standards Codification. Deferred tax assets and liabilities are recorded for the estimated future tax effects attributable to temporary differences between the carrying amounts of assets and liabilities used for financial reporting purposes and their respective carrying amounts for income tax purposes. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion or all of the deferred tax assets will not be realized.

Derivative Financial Instruments

The Company uses derivative financial instruments in the form of foreign currency forward exchange contracts and interest rate swap contracts for the purpose of minimizing exposure to changes in foreign currency exchange rates on business transactions and interest rates, respectively. The Company's policy is to execute such instruments with banks the Company believes to be creditworthy and not enter into derivative financial instruments for speculative purposes or to manage exposure for net investments in non-U.S. subsidiaries. These derivative financial instruments do not subject the Company to undue risk as gains and losses on these instruments generally offset gains and losses on the underlying assets, liabilities or anticipated transactions that are being hedged.

All derivative financial instruments are recorded at fair value in the Consolidated Statement of Financial Position. For a derivative that has not been designated as an accounting hedge, the change in fair value is recognized immediately through earnings. For a derivative that has been designated as an accounting hedge of an existing asset or liability (a fair value hedge), the change in the fair value of both the derivative and underlying asset or liability is recognized immediately through earnings. For a derivative designated as an accounting hedge of an anticipated transaction (a cash

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

flow hedge), the change in the fair value is recorded on the Consolidated Statement of Financial Position in Accumulated other comprehensive loss to the extent the derivative is effective in mitigating the exposure related to the anticipated transaction. The change in the fair value related to the ineffective portion of the hedge, if any, is immediately recognized in earnings. The amount recorded within Accumulated other comprehensive loss is reclassified into earnings in the same period during which the underlying hedged transaction affects earnings. The Company does not exclude any amounts from the measure of effectiveness for both fair value and cash flow hedges.

Use of Estimates

The financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States of America, which require management to make estimates and assumptions that affect the amounts reported in the financial statements. Actual results could differ from those estimates. Estimates are used in accounting for, among other items, long-term contracts, allowances for doubtful accounts, inventory obsolescence, product warranty cost liabilities, customer incentives, retirement benefits, income taxes, environmental matters, pre-production engineering costs, recoverability of long-lived assets and contingencies. Estimates and assumptions are reviewed periodically and the effects of changes, if any, are reflected in the Consolidated Statement of Operations in the period they are determined.

Concentration of Risks

The Company's products and services are concentrated within the aerospace and defense industries with customers consisting primarily of military and commercial aircraft manufacturers, commercial airlines and the U.S. Government and non-U.S. governments. As a result of this industry focus, the Company's current and future financial performance is largely dependent upon the overall economic conditions within these industries. In particular, the commercial aerospace market has been historically cyclical and subject to downturns during periods of weak economic conditions, which could be prompted or exacerbated by political or other domestic or international events. The defense market may be affected by changes in budget appropriations, procurement policies, political developments both domestically and abroad and other factors. The Company depends to a large degree on U.S. Government spending, as a significant portion of the Company's sales are derived from U.S. Government contracts, both directly and indirectly through subcontracts.

The U.S. Government continues to face significant fiscal and economic challenges. To address those challenges, the U.S. Government has implemented various initiatives, including measures to reduce its spending levels pursuant to the Budget Control Act (BCA) of 2011. The BCA imposes spending caps and certain reductions in security spending over a ten-year period through 2021. These spending caps and reductions, referred to as sequestration, went into effect in March 2013. In December 2013, the Murray-Ryan Bipartisan Budget Act (BBA) of 2013 was enacted, raising government discretionary spending limits temporarily for 2014 and 2015. More recently, the Bipartisan Budget Act of 2015 again raised the government discretionary spending limits temporarily for 2016 and 2017, after which the BCA will again be in force.

In years when the U.S. Government does not complete its annual budget and appropriations process prior to the beginning of its fiscal year (October 1), government operations are typically funded through a continuing resolution that authorizes agencies of the U.S. Government to continue to operate in the new year, but generally does not authorize new spending initiatives. During periods covered by continuing resolutions (or until the regular appropriation bills are passed), the Company may experience delays by the government in procurement of new or existing products and services which can adversely impact the Company's results of operations and cause variability in the timing of revenue between periods. The government began operations in fiscal year 2016 under a continuing resolution that is set to expire in December 2015. The Company remains confident that our product offerings are well positioned to meet the needs of our government customers in this uncertain environment and the Company continues to enhance our international strategies and make proactive adjustments to the Company's cost structure as necessary.

While management believes the Company's product offerings are well positioned to meet the needs of its U.S. Government customers, the impact of sequestration and continuing resolutions could have a material adverse effect on the Company's results of operations, financial position or cash flows and on the defense industry in general.

In addition to the overall business risks associated with the Company's concentration within the aerospace and defense industries, the Company is also exposed to a concentration of collection risk on credit extended to business jet aircraft

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

manufacturers. At September 30, 2015, accounts receivable due from business jet aircraft manufacturers were approximately $148 million. The Company performs ongoing credit evaluations on the financial condition of all of its customers and maintains allowances for uncollectible accounts receivable based on expected collectability. Although management believes its allowances are adequate, the Company is not able to predict with certainty the changes in the financial stability of its customers. Any material change in the financial status of any one customer or group of customers could have a material adverse effect on the Company's results of operations, financial position or cash flows.

As of September 30, 2015, approximately 10 percent of the Company's employees in the U.S. were represented by U.S. collective bargaining agreements, most of which were renewed without disruption in May 2013 and are generally set to expire in 2017 and 2018.

Recently Adopted Accounting Standards

In April 2015, the Financial Accounting Standards Board (FASB) issued a new standard that provides a practical expedient permitting entities with a fiscal year end that does not coincide with a month end to measure defined benefit plan assets and obligations using the month end date closest to the fiscal year end. The new standard was early adopted by the Company for each of its defined benefit plans effective for the 2015 fiscal year end with no significant impact to the Company's financial statements.

Recently Issued Accounting Standards

In May 2014, the FASB issued a comprehensive new revenue recognition standard that effectively replaces all current guidance on the topic and expands disclosures regarding revenue. The guidance permits use of either a retrospective or cumulative effect transition method. The new standard, as amended, is effective for the Company in fiscal 2019, with early adoption permitted in fiscal 2018. The Company is currently evaluating the transition methods allowed under the new standard and the effect the standard will have on the Company's consolidated financial statements and related disclosures. Given the new standard's impact on business processes, systems and internal controls, analysis of the new guidance will likely extend over several future periods.

In April 2014, the FASB issued guidance that modifies the criteria used to qualify divestitures for classification as discontinued operations and expands disclosures related to disposals of significant components. The amendment will become effective for the Company in fiscal 2016. The amended guidance is expected to decrease the likelihood that future disposals will qualify for discontinued operations treatment, meaning that the results of operations of some future disposals may be reported in continuing operations.

Other new accounting standards issued but not effective until after September 30, 2015 are not expected to have a material impact on the Company's financial statements.

3. Acquisitions

On August 6, 2015, the Company acquired 100 percent of the outstanding shares of Newport News, Virginia-based International Communications Group, Inc. (ICG), a leading provider of satellite-based global voice and data communication products and services for the aviation industry. The purchase price, net of cash acquired, was $50 million. Additional post-closing consideration of up to $14 million may be paid, contingent upon the achievement of certain milestones. The Company recorded a $12 million liability on the acquisition date for the fair value of the contingent consideration, which is reflected as a non-cash transaction on the Company's Consolidated Statement of Cash Flows in 2015. The Company is in the process of allocating the purchase price and obtaining a valuation for acquired intangible assets and their useful lives. Based on the Company's preliminary allocation of the purchase price, $38 million has been allocated to goodwill and $24 million to intangible assets. All goodwill resulting from the acquisition is tax deductible. The excess purchase price over net assets acquired, including intangible assets, reflects the Company's view that this acquisition will broaden the Company's flight deck and connectivity portfolio.

On March 20, 2015, the Company acquired 100 percent of the outstanding shares of Pacific Avionics Pty. Limited (Pacific Avionics), a Singapore-based company specializing in technologies used for wireless information distribution, including in-flight entertainment and connectivity. The purchase price, net of cash acquired, was $24 million. In the fourth quarter of 2015, the purchase price allocation was finalized with $10 million allocated to intangible assets and

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ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

$15 million to goodwill, none of which is deductible for tax purposes. The excess purchase price over net assets acquired, including intangible assets, reflects the Company's view that this acquisition will further enhance the Company's cabin products and information management services portfolios.

The ICG and Pacific Avionics acquisitions are included within the Commercial Systems segment, and the results of operations for ICG and Pacific Avionics have been included in the Company's operating results for the periods subsequent to their respective acquisition dates. Pro-forma results of operations have not been presented for these acquisitions as the effect of the acquisitions are not material to the Company's consolidated results of operations.

On December 23, 2013, the Company acquired 100 percent of the outstanding common stock and voting interests of Radio Holdings, Inc., the holding company of ARINC, a leading global provider of air-to-ground data and voice communication services. ARINC develops and operates communications and information processing systems and provides systems engineering and integration solutions to five key industries: commercial aviation, business aviation, airports, rail and nuclear security. Combining ARINC's communication networks and services with the Company's onboard aircraft information systems strengthens the Company's ability to deliver enhanced connectivity to aircraft operators worldwide.

The ARINC purchase price was $1.405 billion, net of cash acquired and net of $10 million in cash received by the Company in June 2014 from the settlement of various post-closing matters, including adjustments for changes in working capital. As discussed in Note 10, the Company used proceeds from the issuance of long-term debt and commercial paper to finance the cash purchase price. The following table summarizes the fair value of assets acquired and liabilities assumed at the acquisition date:

(in millions)	December 23, 2013
Restricted Cash(1)	$	61
Receivables and Other current assets	216
Building held for sale(2)	81
Business held for sale(3)	15
Property	49
Intangible Assets	431
Other Assets	11
Total Identifiable Assets Acquired	864
Payable to ARINC option holders(1)	(61		)
Current Liabilities	(171		)
Liability related to building held for sale(2)	(81		)
Liabilities associated with business held for sale(3)	(12		)
Long-term deferred income taxes	(182		)
Retirement Benefits and Other Long-term Liabilities	(39		)
Total Liabilities Assumed	(546		)
Net Identifiable Assets Acquired, excluding Goodwill	318
Goodwill	1,087
Net Assets Acquired	$	1,405

⁽¹⁾ Option-holders of ARINC were due approximately $61 million at the transaction closing date. This payment did not clear until December 24, 2013. Therefore the opening balance sheet, which was prepared as of December 23, 2013, includes restricted cash of $61 million and a current liability payable to the ARINC option holders for an equal amount.

⁽²⁾ On March 28, 2014, the Company sold the building which was classified as held for sale at the acquisition date. For more information related to the Building held for sale, see discussion below.

⁽³⁾ Assets and liabilities associated with the Business held for sale relate to ASES, which the Company divested, as detailed in Note 4.

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The purchase price allocation resulted in the recognition of $1.087 billion of goodwill and $431 million of intangible assets with a weighted average useful life of approximately 15 years. None of the goodwill is deductible for tax purposes. All of the goodwill is included in the Company’s Information Management Services segment. The goodwill is primarily a result of revenue synergy opportunities generated by the combination of the Company’s aviation electronics and flight services business with ARINC’s network communication solutions and cost synergies resulting from the consolidation of certain corporate and administrative functions. Goodwill also results from the workforce acquired with the business. See Note 23 for additional information relating to the Information Management Services segment.

ARINC’s results of operations have been included in the Company's operating results for the period subsequent to the completion of the acquisition on December 23, 2013. During fiscal 2015 and 2014, ARINC contributed sales of $576 million and $421 million, respectively, and net income of $63 million and $31 million, respectively.

Building Held For Sale and Liability Related to Building Held for Sale

In connection with the acquisition of ARINC, the Company classified $81 million of acquired real estate assets as Building held for sale at the acquisition date, as well as an $81 million liability related to the Building held for sale at the acquisition date. The assets and related liability were recorded at their estimated fair value.

In November 2004, ARINC obtained approval from the Department of Labor to contribute these real estate assets to its defined benefit pension plan. In connection with this transaction, ARINC entered into a simultaneous agreement to leaseback the contributed facilities for a period of twenty years, through November 1, 2024. As a result of the related party elements of the transaction, no sale or gain was recognized when ARINC contributed the real estate to its pension plan. Instead, ARINC recognized a deferred gain liability equal to the fair value of the contributed real estate. The increase in deferred gain liability was offset by an equal reduction to pension plan liabilities to recognize the fair value of the contributed real estate in the funded status of the pension plan.

The Building held for sale was comprised of the land and buildings of the ARINC corporate headquarters located in Annapolis, Maryland. The related liability represented future rental payment obligations under the leaseback agreement. As of the acquisition date, the real estate assets were being marketed for sale. In March 2014, the assets were sold to an unrelated third party. The net proceeds from the sale of $81 million were remitted directly to the ARINC pension plan, and have been included as a benefit to the funded status of that plan. The sale had no impact on the Company's Consolidated Statement of Operations or Consolidated Statement of Cash Flows.

Concurrent with the sale of the real estate assets, the Company entered into revised lease agreements with the new owner of the Annapolis, Maryland facilities, extending the lease term for a portion of the facility through March 31, 2029. A portion of the leased assets have been classified as a capital lease resulting in the establishment of capital lease assets and offsetting capital lease obligation on the Company's Consolidated Statement of Financial Position.

Transaction-related Expenses

The Company incurred transaction costs related to the acquisition of$16 millionduring the year ended September 30, 2014, of which$13 million is recorded within Selling, general and administrative expenses on the Company's Consolidated Statement of Operations. The remaining $3 million is recorded within Interest expense and relates to fees incurred in connection with the bridge credit agreement which was entered into in September 2013 to support the financing of the ARINC acquisition.

Supplemental Pro-Forma Data

The following unaudited supplemental pro-forma data presents consolidated pro-forma information as if the acquisition and related financing had been on October 1, 2012.

The unaudited supplemental pro-forma financial information does not reflect the potential realization of revenue synergies or cost savings, nor does it reflect other costs relating to the integration of the two companies. This pro-forma data should not be considered indicative of the results that would have actually occurred if the acquisition and related financing had been consummated on October 1, 2012, nor are they indicative of future results.

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The unaudited supplemental pro-forma financial information was calculated by combining the Company's results with the stand-alone results of ARINC for the pre-acquisition periods, which were adjusted to account for certain transactions and other costs that would have been incurred during this pre-acquisition period.

(in millions, except per share amounts)	2015 (as Reported)		2014 (Pro-forma)		2013 (Pro-forma)
Sales	$	5,244	$	5,085	$	4,980
Net income attributable to common shareowners from continuing operations	$	694	$	624	$	636
Basic earnings per share from continuing operations	$	5.25	$	4.62	$	4.66
Diluted earnings per share from continuing operations	$	5.19	$	4.56	$	4.61

The unaudited supplemental pro-forma data above excludes the results of ASES, which the Company divested, as detailed in Note 4. The following significant adjustments were made to account for certain transactions and costs that would have occurred if the acquisition had been completed on October 1, 2012. These adjustments are net of any applicable tax impact and were included to arrive at the pro-forma results above. As the acquisition of ARINC was completed on December 23, 2013, the pro forma adjustments for the year ended September 30, 2014 in the table below include only the required adjustments through December 23, 2013.

(in millions)	2015		2014			2013
Increases / (decreases) to pro-forma net income:
Net reduction to depreciation resulting from fixed asset purchase accounting adjustments(1)	$	—	$	2		$	8
Advisory, legal and accounting service fees(2)	—		21			(21		)
Amortization of acquired ARINC intangible assets, net(3)	—		(4		)	(15		)
Interest expense incurred on acquisition financing, net(4)	—		—			(9		)

⁽¹⁾ This adjustment captures the net impact to depreciation expense resulting from various purchase accounting adjustments to fixed assets

⁽²⁾ This adjustment reflects the elimination of transaction-related fees incurred by ARINC and Rockwell Collins in connection with the acquisition and assumes all of the fees were incurred during the first quarter of 2013

⁽³⁾ This adjustment eliminates amortization of the historical ARINC intangible assets and replaces it with the new amortization for the acquired intangible assets

⁽⁴⁾ This adjustment reflects the addition of interest expense for the debt incurred by Rockwell Collins to finance the ARINC acquisition, net of interest expense that was eliminated for the historical ARINC debt that was repaid at the acquisition date. The adjustment also reflects the elimination of interest expense incurred by Rockwell Collins for the bridge loan financing which was assumed to not be required for purposes of the pro-forma periods presented

4. Discontinued Operations and Divestitures

On March 10, 2015, the Company sold ARINC's ASES business, which provides military aircraft integration and modifications, maintenance and logistics and support, to align with the Company's long-term primary business strategies. The sale pricewas $3 million, and additional post-closing consideration of up to $4 million may be received contingent upon the achievement of certain revenue growth by ASES. The Company recognized a pre-tax loss of $5 million ($3 million after-tax) related to the ASES divestiture. The operating results of ASES, including the loss realized on the disposition, have been included within discontinued operations in the Company's Consolidated Statement of Operations for all periods subsequent to the acquisition of ARINC. As of September 30, 2014, the ASES business was classified within current assets and current liabilities as a business held-for-sale in the Company's Consolidated Statement of Financial Position.

On July 25, 2014, the Company sold its satellite communication systems business formerly known as Datapath. The sales price, which was subject to post-closing adjustments for working capital and other adjustments, was $10 million. The Company recognized a pre-tax loss of $12 million ($2 million after-tax) related to the divestiture of the Datapath business. The high effective tax rate is primarily attributable to differences in the treatment of goodwill for income tax and financial reporting purposes. The operating results of Datapath, including the loss realized on the disposition, have been included in discontinued operations in the Company's Consolidated Statement of Operations for all periods

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presented. The Datapath business was formerly included in the Government Systems segment. The divestiture of this business is part of the Company's strategy to reshape the Government Systems segment to align with the changing dynamics of the defense environment and focus on opportunities in addressed markets for the Company's core products and solutions.

Results of discontinued operations are as follows:

	Year Ended September 30
(in millions)	2015			2014			2013
Sales	$	18		$	94		$	136
Income (loss) from discontinued operations before income taxes	(13		)	(29		)	3
Income tax benefit (expense) from discontinued operations	5			15			(1		)

During the first quarter of 2014, the Company sold its subsidiary, Kaiser Optical Systems, Inc. (KOSI), a supplier of spectrographic instrumentation and applied holographic technology, to Endress+Hauser. The sale price, after post-closing adjustments for changes in working capital, was $23 million. This resulted in a pretax gain of $10 million, which was included in Other income, net. The divestiture of this business is part of the Company's strategy to reshape the Government Systems segment to align with the changing dynamics of the defense environment and focus on opportunities in addressed markets for the Company's core products and solutions. As part of the divestiture agreement, the Company entered into a long-term supply agreement with the buyer that allows the Company to continue purchasing certain products from KOSI after completion of the sale. As a result of this continuing involvement, the KOSI divestiture did not qualify for classification as a discontinued operation.

5. Receivables, Net

Receivables, net are summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Billed	$	752		$	758
Unbilled	403			485
Less progress payments	(110		)	(198		)
Total	1,045			1,045
Less allowance for doubtful accounts	(7		)	(12		)
Receivables, net	$	1,038		$	1,033

Receivables expected to be collected beyond the next twelve months are classified as long-term and are included within Other Assets. Total receivables due from the U.S. Government including the Department of Defense and other government agencies, both directly and indirectly through subcontracts, were $286 million and $293 million at September 30, 2015 and 2014, respectively. U.S. Government unbilled receivables, net of progress payments, were $91 million and $122 million at September 30, 2015 and 2014, respectively. Receivables, net due from equity affiliates were $64 million at September 30, 2015.

Unbilled receivables principally represent sales recorded under the percentage-of-completion method of accounting that have not been billed to customers in accordance with applicable contract terms.

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6. Inventories, Net

Inventories, net are summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Finished goods	$	216		$	218
Work in process	250			262
Raw materials, parts and supplies	353			361
Less progress payments	(7		)	(8		)
Total	812			833
Pre-production engineering costs	1,012			876
Inventories, net	$	1,824		$	1,709

As of September 30, 2015, pre-production engineering costs related to programs with Bombardier, Airbus and Boeing were $378 million, $255 million, and $173 million, respectively.

Amortization expense for pre-production engineering costs for 2015, 2014 and 2013 was $47 million, $36 million and $25 million, respectively. As of September 30, 2015, the weighted average amortization period remaining for pre-production engineering costs included in Inventories, net was approximately 11 years.

Anticipated annual amortization expense for pre-production engineering costs is as follows:

(in millions)	2016		2017		2018		2019		2020		Thereafter
Anticipated amortization expense for pre-production engineering costs(1)	$	55	$	81	$	106	$	128	$	128	$	487

⁽¹⁾ On October 29, 2015, Bombardier announced the cancellation of the Learjet 85 program. Pre-production engineering costs associated with the Learjet 85 program have been excluded from anticipated amortization expense, as these costs are expected to be recovered through consideration received from Bombardier pursuant to contractual guarantees and not amortized against future hardware deliveries.

In accordance with industry practice, inventories include amounts which are not expected to be realized within one year. These amounts primarily relate to pre-production engineering costs and life-time-buy inventory not expected to be realized within one year of $1.006 billion and $904 million at September 30, 2015 and 2014, respectively. Life-time-buy inventory is inventory that is typically no longer produced by the Company's vendors but for which multiple years of supply are purchased in order to meet production and service requirements over the life span of a product.

7. Property

Property is summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Land	$	15		$	15
Buildings and improvements	429			406
Machinery and equipment	1,164			1,135
Information systems software and hardware	406			369
Furniture and fixtures	66			65
Capital leases	58			60
Construction in progress	180			142
Total	2,318			2,192
Less accumulated depreciation	(1,354		)	(1,273		)
Property	$	964		$	919

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Property additions acquired by incurring accounts payable, which are reflected as a non-cash transaction in the Company's Consolidated Statement of Cash Flows, were $19 million, $37 million and $19 million at September 30, 2015, 2014 and 2013, respectively.

Property additions acquired by incurring capital leases, which are reflected as non-cash transactions in the Company's Consolidated Statement of Cash Flows were $0 million, $56 million and $0 million at September 30, 2015, 2014 and 2013, respectively.

A portion of the Company's operations are conducted in leased real estate facilities, including both operating and, to a lesser extent, capital leases. Accumulated depreciation relating to assets under capital lease totals $6 million and $2 million as of September 30, 2015 and 2014, respectively. Amortization of assets under capital lease is recorded as depreciation expense. As of September 30, 2015, remaining minimum lease payments for Property under capital leases total $82 million, including $26 million of interest.

8. Goodwill and Intangible Assets

Changes in the carrying amount of goodwill are summarized as follows:

(in millions)	Government Systems			Commercial Systems			Information Management Services			Total
Balance at September 30, 2013	$	513		$	266		$	—		$	779
ARINC acquisition	—			—			1,089			1,089
Reclassification from Commercial Systems to Information Management Services	—			(4		)	4			—
Disposition of Datapath	(1		)	—			—			(1		)
Foreign currency translation adjustments and other	(4		)	—			—			(4		)
Balance at September 30, 2014	508			262			1,093			1,863
ICG acquisition	—			38			—			38
Pacific Avionics acquisition	—			15			—			15
ARINC acquisition adjustment	—			—			(3		)	(3		)
Foreign currency translation adjustments and other	(8		)	(1		)	—			(9		)
Balance at September 30, 2015	$	500		$	314		$	1,090		$	1,904

Beginning in the first quarter of fiscal 2014, the Company created the Information Management Services segment. This segment combines the retained portion of the acquired ARINC business with the Company's existing flight services business, which had previously been included in the Commercial Systems segment. As a result of the reorganization of the Company's segments, a portion of the goodwill from the Commercial Systems segment was reclassified to the Information Management Services segment using a fair value allocation method.

The Company performs an annual impairment test of goodwill and indefinite-lived intangible assets during the second quarter of each fiscal year, or at any time there is an indication goodwill or indefinite-lived intangibles are more-likely-than-not impaired, commonly referred to as triggering events. There have been no such triggering events during any of the periods presented, and the Company's 2015, 2014 and 2013 impairment tests resulted in no impairment.

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Intangible assets are summarized as follows:

	September 30, 2015							September 30, 2014
(in millions)	Gross		Accum Amort			Net		Gross		Accum Amort			Net
Intangible assets with finite lives:
Developed technology and patents	$	346	$	(195	)	$	151	$	322	$	(178	)	$	144
Backlog	5		(2		)	3		5		(1		)	4
Customer relationships:
Acquired	338		(87		)	251		336		(67		)	269
Up-front sales incentives	301		(62		)	239		266		(47		)	219
License agreements	13		(9		)	4		13		(9		)	4
Trademarks and tradenames	15		(14		)	1		15		(14		)	1
Intangible assets with indefinite lives:
Trademarks and tradenames	47		—			47		47		—			47
In process research and development	7		—			7		—		—			—
Intangible assets	$	1,072	$	(369	)	$	703	$	1,004	$	(316	)	$	688

Amortization expense for intangible assets for 2015, 2014 and 2013 was $53 million, $48 million and $28 million, respectively. As of September 30, 2015, the weighted average amortization period remaining for up-front sales incentives was approximately 10 years.

(in millions)	2016		2017		2018		2019		2020		Thereafter
Anticipated amortization expense for up-front sales incentives	$	17	$	18	$	21	$	25	$	25	$	133
Anticipated amortization expense for all other intangible assets	44		40		38		34		32		222
Total	$	61	$	58	$	59	$	59	$	57	$	355

9. Other Assets

Other assets are summarized as follows:

(in millions)	September 30, 2015		September 30, 2014
Long-term receivables	$	109	$	84
Investments in equity affiliates	13		8
Exchange and rental assets (net of accumulated depreciation of $97 at September 30, 2015 and $94 at September 30, 2014)	66		61
Other	156		135
Other assets	$	344	$	288

Long-term receivables

Long-term receivables expected to be collected beyond the next twelve months are principally comprised of unbilled accounts receivables pursuant to sales recorded under the percentage-of-completion method of accounting that have not yet been billed to customers in accordance with applicable contract terms.

Investments in Equity Affiliates

Investments in equity affiliates primarily consist of eight joint ventures:

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• ACCEL (Tianjin) Flight Simulation Co., Ltd (ACCEL): ACCEL is a joint venture with Beijing Bluesky Aviation Technology (a subsidiary of the Aviation Industry Corporation of China, or AVIC), that will develop and deliver commercial flight simulators in China

• ADARI Aviation Technology Limited (ADARI): ADARI is a joint venture with Aviation Data Communication Corporation Co., LTD, that operates remote ground stations around China and develops certain content delivery management software

• AVIC Leihua Rockwell Collins Avionics Company (ALRAC): ALRAC is a joint venture with China Leihua Electronic Technology Research Institute (an AVIC subsidiary), for the joint production of integrated surveillance system products for the C919 aircraft in China

• Data Link Solutions LLC (DLS): DLS is a joint venture with BAE Systems, plc for the joint pursuit of the worldwide military data link market

• ESA Vision Systems LLC (ESA): ESA is a joint venture with Elbit Systems, Ltd. for the joint pursuit of helmet-mounted cueing systems for the worldwide military fixed wing aircraft market

• Integrated Guidance Systems LLC (IGS): IGS is a joint venture with Honeywell International Inc. for the joint pursuit of integrated precision guidance solutions for worldwide guided weapons systems

• Quest Flight Training Limited (Quest): Quest is a joint venture with Quadrant Group plc that provides aircrew training services primarily for the United Kingdom Ministry of Defence

• Rockwell Collins CETC Avionics Co., Ltd (RCCAC): RCCAC is a joint venture with CETC Avionics Co., Ltd (CETCA) for the development and delivery of products related to the C919 program

Each joint venture is 50 percent owned by the Company and accounted for under the equity method. Under the equity method of accounting for investments, the Company’s proportionate share of the earnings or losses of its equity affiliates are included in Net income and classified as Other income, net in the Consolidated Statement of Operations. For segment performance reporting purposes, Rockwell Collins’ share of earnings or losses of ESA, DLS, IGS and Quest are included in the operating results of the Government Systems segment, ACCEL, ALRAC and RCCAC are included in the operating results of the Commercial Systems segment and ADARI is included in the operating results of the Information Management Services segment.

In the normal course of business or pursuant to the underlying joint venture agreements, the Company may sell products or services to equity affiliates. The Company defers a portion of the profit generated from these sales equal to its ownership interest in the equity affiliates until the underlying product is ultimately sold to an unrelated third party. Sales to equity affiliates were $196 million, $177 million and $144 million for the years ended September 30, 2015, 2014 and 2013, respectively. The deferred portion of profit generated from sales to equity affiliates was $1 million at September 30, 2015 and $1 million at September 30, 2014.

Exchange and Rental Assets

Exchange and rental assets consist primarily of Company products that are either exchanged or rented to customers on a short-term basis in connection with warranty and other service related activities. These assets are recorded at acquisition or production cost and depreciated using the straight-line method over their estimated lives, up to 15 years. Depreciation methods and lives are reviewed periodically with any changes recorded on a prospective basis. Depreciation expense for exchange and rental assets was $10 million, $10 million and $10 million for the years ended September 30, 2015, 2014 and 2013, respectively.

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10. Debt

Commercial Paper Program

Under the Company’s commercial paper program, the Company may sell up to $1 billion face amount of unsecured short-term promissory notes in the commercial paper market. The commercial paper notes may bear interest or may be sold at a discount, and have a maturity of not more than 364 days from the time of issuance. The commercial paper program is supported by the Company's $1 billion five-year revolving credit facility. At September 30, 2015, short-term commercial paper borrowings outstanding were $448 million with a weighted-average interest rate and maturity period of 0.52 percent and 25 days, respectively. At September 30, 2014, short term commercial paper borrowings outstanding were $504 million with a weighted-average interest rate and maturity period of 0.32 percent and 29 days, respectively.

Revolving Credit Facilities

On September 24, 2013, the Company entered into credit agreements to ensure adequate commercial paper borrowing capacity in anticipation of the Company's then pending ARINC acquisition and to meet other short-term cash requirements. The Company closed on these revolving credit facilities on December 23, 2013, concurrent with the ARINC acquisition closing date. These credit facilities consist of a five-year $1 billion credit facility that expires in December 2018 and a 364-day $200 million credit facility that expired in December 2014 and was not renewed. These agreements replaced the prior $850 million revolving credit facility that was terminated concurrently upon the closing of these agreements.

The credit facilities include one financial covenant requiring the Company to maintain a consolidated debt to total capitalization ratio of not greater than 60 percent. The ratio excludes the equity impact on accumulated other comprehensive loss related to defined benefit retirement plans. The ratio was 38 percent as of September 30, 2015. The credit facilities also contain covenants that require the Company to satisfy certain conditions in order to incur debt secured by liens, engage in sale/leaseback transactions or merge or consolidate with another entity. Borrowings under these credit facilities bear interest at the London Interbank Offered Rate (LIBOR) plus a variable margin based on the Company’s unsecured long-term debt rating or, at the Company’s option, rates determined by competitive bid. At September 30, 2015 and September 30, 2014, there were no outstanding borrowings under these revolving credit facilities.

In addition, short-term credit facilities available to non-U.S. subsidiaries amounted to $39 million as of September 30, 2015, of which $11 million was utilized to support commitments in the form of commercial letters of credit. At

September 30, 2015 and September 30, 2014, there were no short-term borrowings outstanding under the Company’s non-U.S. subsidiaries’ credit facilities.

At September 30, 2015 and 2014, there were no significant commitment fees or compensating balance requirements under any of the Company’s credit facilities.

December 2013 Long-term Debt Issuances

On December 16, 2013, the Company issued $300 million of floating rate unsecured debt due December 15, 2016 (the 2016 Notes). The 2016 Notes bear annual interest at a rate equal to three-month LIBOR plus 0.35 percent. As of September 30, 2015 the quarterly interest rate was 0.68 percent. The rate resets quarterly. The net proceeds to the Company from the 2016 Notes, after deducting $1 million of debt issuance costs, were $299 million.

On December 16, 2013, the Company issued $400 million of 3.7 percent fixed rate unsecured debt due December 15, 2023 (the 2023 Notes). The net proceeds to the Company from the 2023 Notes, after deducting a $1 million discount and $3 million of debt issuance costs, were $396 million. In March 2014, the Company entered into interest rate swap contracts which effectively converted $200 million of the 2023 Notes to floating rate debt based on one-month LIBOR plus 0.94 percent. See Notes 16 and 17 for additional information relating to the interest rate swap contracts.

On December 16, 2013, the Company issued $400 million of 4.8 percent fixed rate unsecured debt due December 15, 2043 (the 2043 Notes). The net proceeds to the Company from the 2043 Notes, after deducting a $2 million discount and $4 million of debt issuance costs, were $394 million.

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The net proceeds after discounts and debt issuance costs from the December 16, 2013 debt issuances totaled $1.089 billion. Approximately $900 million was used to finance the ARINC acquisition and approximately $200 million was used to refinance the 2013 Notes that matured on December 1, 2013. The remaining ARINC purchase price was funded using commercial paper proceeds.

Other Long-term Debt

On November 16, 2011, the Company issued $250 million of 3.10 percent fixed rate unsecured debt due November 15, 2021 (the 2021 Notes).

On May 6, 2009, the Company issued $300 million of 5.25 percent fixed rate unsecured debt due July 15, 2019 (the 2019 Notes). In January 2010, the Company entered into interest rate swap contracts which effectively converted $150 million of the 2019 Notes to floating rate debt based on six-month LIBOR plus 1.235 percent. In June 2015, the company entered into interest rate swap contracts which effectively converted the remaining $150 million of the 2019 Notes to floating rate debt based on three-month LIBOR plus 3.56 percent. See Notes 16 and 17 for additional information relating to the interest rate swap contracts.

The 2043, 2023, 2021, 2019 and 2016 Notes are included in the Consolidated Statement of Financial Position net of any unamortized discount within the caption Long-term Debt, Net. The debt issuance costs are capitalized within Other Assets on the Consolidated Statement of Financial Position. The debt issuance costs and any discounts are amortized over the life of the debt and recorded in Interest expense.

The 2043, 2023, 2021, 2019 and 2016 Notes each contain covenants that require the Company to satisfy certain conditions in order to incur debt secured by liens, engage in sales/leaseback transactions, merge or consolidate with another entity or transfer substantially all of the Company’s assets. The Company was in compliance with all debt covenants at September 30, 2015 and 2014.

Long-term debt is summarized as follows:

(in millions)	September 30, 2015		September 30, 2014
Principal amount of 2043 Notes, net of discount	$	398	$	398
Principal amount of 2023 Notes, net of discount	399		399
Principal amount of 2021 Notes, net of discount	250		249
Principal amount of 2019 Notes, net of discount	299		299
Principal amount of 2016 Notes	300		300
Fair value swap adjustment (Notes 16 and 17)	34		18
Long-term debt, net	$	1,680	$	1,663

Interest paid on debt for the years ended September 30, 2015, 2014 and 2013 was $54 million, $47 million and $28 million, respectively.

11. Retirement Benefits

The Company sponsors defined benefit pension (Pension Benefits) and other postretirement (Other Retirement Benefits) plans which provide monthly pension and other benefits to eligible employees upon retirement.

The Company early adopted the provisions of ASU No. 2015-04 (see Note 2), and used September 30, 2015 as the date closest to its fiscal year end to value plan assets of all its defined benefit plans. There was no material impact of adoption of this accounting standard on the fair value of plan assets.

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Pension Benefits

The Company historically provided pension benefits to most of the Company's U.S. employees in the form of non-contributory, defined benefit plans that are considered qualified plans under applicable laws. The benefits provided under these plans for salaried employees are generally based on years of service and average compensation. The benefits provided under these plans for hourly employees are generally based on specified benefit amounts and years of service. In addition, the Company sponsors an unfunded non-qualified defined benefit plan for certain employees.

In June 2003, the Company amended its U.S. qualified and non-qualified defined benefit pension plans to discontinue benefit accruals for salary increases and services rendered after September 30, 2006. These changes impacted all of the Company's domestic pension plans for all salaried and hourly employees who were not covered by collective bargaining agreements. Concurrently, the Company supplemented its existing defined contribution savings plan effective October 1, 2006 to include an additional Company contribution.

The Company also maintains five defined benefit pension plans in countries outside of the U.S., two of which are unfunded.

Other Retirement Benefits

Other retirement benefits consist of retiree health care and life insurance benefits that are provided to substantially all of the Company's U.S. employees hired before October 1, 2006 and their beneficiaries. Employees generally become eligible to receive these benefits if they retire after age 55 with at least 10 years of service. Most plans are contributory with retiree contributions generally based upon years of service and adjusted annually by the Company. Retiree medical plans pay a stated percentage of expenses reduced by deductibles and other coverage. The amount the Company will contribute toward retiree medical coverage for most participants is fixed. Additional premium contributions will be required from participants for all costs in excess of the Company's fixed contribution amount. Retiree life insurance plans provide coverage at a flat dollar amount or as a multiple of salary. With the exception of certain bargaining unit plans, Other Retirement Benefits are funded as expenses are incurred.

ARINC Pension Plan

ARINC sponsors two primary pension sub-plans: one for union employees and one for non-union employees.

Effective April 1, 2006, ARINC froze the majority of its pension plans for employees not covered by bargaining unit agreements. As a result, most of the non-union participants in the ARINC pension plans are no longer accruing contribution credits. The plans generally allow for employees who retire, or terminate, to elect to receive their pension benefits in a lump sum and certain existing participants in the plans continue to earn vesting rights and accrue interest on their account balance at rates established by the plans.

ARINC Other Retirement Benefits

ARINC also provides postretirement health coverage for many of its current and former employees and postretirement life insurance benefits for certain retirees. These benefits vary by employment status, age, service and salary level at retirement.

Components of Expense (Income)

The components of expense (income) for Pension Benefits and Other Retirement Benefits are summarized below:

	Pension Benefits									Other Retirement Benefits
(in millions)	2015			2014			2013			2015			2014			2013
Service cost	$	12		$	10		$	10		$	3		$	3		$	4
Interest cost	155			168			139			7			9			8
Expected return on plan assets	(242		)	(228		)	(203		)	(1		)	(1		)	(1		)
Amortization:
Prior service credit	(3		)	(12		)	(18		)	(5		)	(9		)	(8		)
Net actuarial loss	72			72			79			7			8			12
Net benefit expense (income)	$	(6	)	$	10		$	7		$	11		$	10		$	15

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Funded Status and Net Liability

The Company recognizes the unfunded status of defined benefit retirement plans on the Consolidated Statement of Financial Position as Retirement Benefits. The current portion of the liability is the amount by which the actuarial present value of benefits included in the benefit obligation payable in the next twelve months exceeds the fair value of the plan assets and is reflected in Compensation and benefits in the Consolidated Statement of Financial Position.

The following table reconciles the projected benefit obligations (PBO), plan assets, funded status and net liability for the Company's Pension Benefits and the Other Retirement Benefits.

	Pension Benefits						Other Retirement Benefits
(in millions)	2015			2014			2015			2014
PBO at beginning of period	$	4,086		$	3,660		$	213		$	214
Service cost	12			10			3			3
Interest cost	155			168			7			9
Discount rate and other assumption changes	315			228			6			7
Actuarial losses (gains)	(52		)	—			7			(13		)
Plan participant contributions	—			—			3			3
Benefits paid	(330		)	(211		)	(18		)	(18		)
ARINC acquisition	—			274			—			8
Settlements	—			(36		)	—			—
Other	(19		)	(7		)	—			—
PBO at end of period	4,167			4,086			221			213
Plan assets at beginning of period	3,185			2,779			18			14
Actual return on plan assets	(16		)	304			—			1
Company contributions	69			75			16			18
Plan participant contributions	—			—			3			3
Benefits paid	(330		)	(211		)	(18		)	(18		)
ARINC acquisition	—			273			—			—
Settlements	—			(36		)	—			—
Other	(6		)	1			—			—
Plan assets at end of period	2,902			3,185			19			18
Funded status of plans	$	(1,265	)	$	(901	)	$	(202	)	$	(195	)
Funded status consists of:
Retirement benefits liability	$	(1,264	)	$	(901	)	$	(202	)	$	(195	)
Compensation and benefits liability	(11		)	(11		)	—			—
Other assets	10			11			—			—
Net liability	$	(1,265	)	$	(901	)	$	(202	)	$	(195	)

During 2015, the Company made $121 million of benefit payments for terminated vested lump sum payouts to certain participants.

In October 2014, the Society of Actuaries published a new set of mortality tables (RP-2014) and a new mortality improvement scale (MP-2014), which update life expectancy assumptions. The newly published tables generally reflect longer life expectancy than was projected by past tables. For the Company's 2015 year-end pension liability valuation, the Company used the RP-2014 tables with an adjustment for plan experience and the MP-2014 improvement scale adjusted to reflect convergence to an ultimate annual rate of mortality improvement of 0.75 percent by 2022. These changes resulted in an increase to the 2015 projected pension benefit obligation of $310 million.

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The Company's non-U.S. defined benefit pension plans represented 5 percent of the total PBO at September 30, 2015 and 2014. The accumulated benefit obligation for all defined benefit pension plans was $4.153 billion and $4.068 billion at September 30, 2015 and 2014, respectively.

Other Comprehensive Loss

The following table summarizes the amounts included in Accumulated other comprehensive loss before tax related to retirement benefits as of September 30, 2015 and 2014 and changes recognized in Other comprehensive loss before tax for the years ended September 30, 2015 and 2014:

	Pension Benefits						Other Retirement Benefits
(in millions)	Prior Service Cost (Credit)			Net Actuarial Loss			Prior Service Cost (Credit)			Net Actuarial Loss
Balance at September 30, 2013	$	(6	)	$	1,958		$	(18	)	$	113
Current year net actuarial (gain)/loss	—			149			—			(6		)
Amortization of prior service cost	12			—			9			—
Amortization of actuarial loss	—			(72		)	—			(8		)
Balance at September 30, 2014	6			2,035			(9		)	99
Current year net actuarial loss	—			515			—			14
Amortization of prior service cost	3			—			5			—
Amortization of actuarial loss	—			(72		)	—			(7		)
Balance at September 30, 2015	$	9		$	2,478		$	(4	)	$	106

The estimated amounts that will be amortized from Accumulated other comprehensive loss into expense (income) for Pension Benefits and Other Retirement Benefits during the year ending September 30, 2016 are as follows:

(in millions)	Pension Benefits			Other Retirement Benefits			Total
Prior service cost	$	(1	)	$	(1	)	$	(2	)
Net actuarial loss	78			8			86
Total	$	77		$	7		$	84

Actuarial Assumptions

The following table presents the significant assumptions used in determining the benefit obligations:

	Pension Benefits								Other Retirement Benefits
	U.S.				Non-U.S.				U.S.
	2015		2014		2015		2014		2015		2014
Discount rate	3.96	%	3.96	%	2.94	%	3.15	%	3.73	%	3.70	%
Compensation increase rate	4.00	%	4.00	%	3.04	%	3.48	%	4.00	%	4.00	%

Discount rates used to determine the benefit obligations are determined by using a weighted average of market-observed yields for high quality fixed income securities that correspond to the payment of benefits.

The Company's U.S. qualified and non-qualified plans were amended to discontinue benefit accruals for salary increases and services rendered after September 30, 2006 and after April 1, 2006 for ARINC. In the U.S., certain plans associated with collective bargaining agreements continue to accrue benefits, and only the ARINC plans are impacted by increases in compensation as the benefit formula is dependent on salary increases.

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Significant assumptions used in determining the net benefit expense (income) are as follows:

	Pension Benefits								Other Retirement Benefits
	U.S.				Non-U.S.				U.S.
	2015		2014		2015		2014		2015		2014
Discount rate	3.96	%	4.51	%	3.15	%	3.93	%	3.70	%	4.14	%
Expected long-term return on plan assets	8.23	%	8.23	%	6.70	%	8.17	%	8.25	%	8.25	%
Compensation increase rate	4.00	%	4.00	%	3.48	%	3.45	%	4.00	%	4.00	%
Health care cost gross trend rate (1)	—		—		—		—		7.48	%	7.97	%
Ultimate trend rate (1)	—		—		—		—		4.98	%	4.98	%
Year that trend reaches ultimate rate (1)	—		—		—		—		2019		2019

⁽¹⁾ Due to the effect of the fixed Company contribution, increasing or decreasing the health care cost trend rate by one percentage point would not have a significant impact on the Company's cost of providing Other Retirement Benefits.

Expected long-term return on plan assets for each year presented is based on both historical long-term actual and expected future investment returns considering the current investment mix of plan assets. The Company uses a market-related value of plan assets reflecting changes in the fair value of plan assets over a five-year period. The Company amortizes actuarial gains and losses in excess of 10 percent of the greater of the market-related value of plan assets or the projected benefit obligation (the corridor) on a straight-line basis over the expected future lifetime of inactive participants, which was approximately 26 years years at September 30, 2015, as almost all of the plan's participants are considered inactive.

Prior service costs resulting from plan amendments are amortized in equal annual amounts over the average remaining service period of affected active participants or over the remaining life expectancy of affected retired participants.

Plan Assets

Total plan assets for Pension Benefits and Other Retirement Benefits as of September 30, 2015 and 2014 were $2.921 billion and $3.203 billion, respectively. The Company has established investment objectives that seek to preserve and maximize the amount of plan assets available to pay plan benefits. These objectives are achieved through investment guidelines requiring diversification and allocation strategies designed to maximize the long-term returns on plan assets while maintaining a prudent level of investment risk. These investment strategies are implemented using actively managed and indexed assets. Target and actual asset allocations as of September 30, 2015 and 2014 are as follows:

	Target Mix			2015		2014
Equities	40%	-	70%	54	%	55	%
Fixed income	25%	-	60%	44	%	42	%
Alternative investments	0%	-	15%	0	%	0	%
Cash	0%	-	5%	2	%	3	%

Alternative investments may include real estate, hedge funds, venture capital and private equity. There were no plan assets invested in the securities of the Company as of September 30, 2015 and 2014 or at any time during the years then ended. Target and actual asset allocations are periodically rebalanced between asset classes in order to mitigate investment risk and maintain asset classes within target allocations.

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The following table presents the fair value of the Company's pension plans' assets as of September 30, 2015 and 2014, by asset category segregated by level within the fair value hierarchy, as described in Note 16:

	September 30, 2015								September 30, 2014
Asset category (in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Equity securities:
U.S. equity	$	533	$	362	$	—	$	895	$	670	$	359	$	—	$	1,029
Non-U.S. equity	575		93		—		668		630		97		—		727
Fixed income securities:
Corporate	—		1,088		—		1,088		—		1,103		—		1,103
U.S. government	65		83		—		148		52		91		—		143
Emerging market	—		—		—		—		—		50		—		50
Mortgage and asset-backed	—		2		—		2		—		3		—		3
Other	—		40		3		43		—		42		3		45
Cash and cash equivalents	—		55		—		55		—		81		—		81
Sub-total	1,173		1,723		3		2,899		1,352		1,826		3		3,181
Net receivables related to investment transactions							3								4
Total							$	2,902							$	3,185

The following table presents the fair value of the Company's other retirement benefits plan's assets as of September 30, 2015 and 2014, by asset category segregated by level within the fair value hierarchy, as described in Note 16:

	September 30, 2015								September 30, 2014
Asset category (in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Equity securities:
U.S. equity	$	7	$	—	$	—	$	7	$	7	$	—	$	—	$	7
Fixed income securities:
Corporate	—		2		—		2		—		2		—		2
U.S. government	2		1		—		3		2		1		—		3
Mortgage and asset-backed	—		1		—		1		—		1		—		1
Cash and cash equivalents	—		6		—		6		—		5		—		5
Total	$	9	$	10	$	—	$	19	$	9	$	9	$	—	$	18

Valuation Techniques

Level 1 assets for the pension plans and other retirement benefits plan are primarily comprised of equity and fixed income securities. Level 1 equity securities are actively traded on U.S. and non-U.S. exchanges and are valued using the market approach at quoted market prices on the measurement date. Level 1 fixed income securities are valued using quoted market prices.

Level 2 equity securities contain equity funds that hold investments with values based on quoted market prices, but for which the funds are not valued on a quoted market basis. Level 2 fixed income securities are primarily valued using pricing models that use observable market data or bids provided by independent investment brokerage firms.

Cash and cash equivalents includes cash which is used to pay benefits and cash invested in a short-term investment fund that holds securities with values based on quoted market prices, but for which the funds are not valued on a quoted market basis. As such, the cash and cash equivalents in our pension and other retirement plan assets are classified as Level 2 in the tables above.

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The Level 3 assets represent general insurance company contracts in the ARINC pension plans and are not significant. As described in Note 16, the fair value of a Level 3 asset is derived from unobservable inputs that are based on the Company's own assumptions.

Contributions

For the years ended September 30, 2015 and 2014, the Company made contributions to its pension plans as follows:

(in millions)	2015		2014
Contributions to U.S. qualified plan	$	55	$	55
Contributions to U.S. non-qualified plan	9		14
Contributions to non-U.S. plans	5		6
Total	$	69	$	75

The Company’s objective with respect to the funding of its pension plans is to provide adequate assets for the payment of future benefits. Pursuant to this objective, the Company will fund its pension plans as required by governmental regulations and may consider discretionary contributions as conditions warrant. In October 2015, the Company voluntarily contributed $55 million to its U.S. qualified pension plan, subsequent to its 2015 fiscal year end. There is no minimum statutory funding requirement for 2016 and the Company does not currently expect to make any additional discretionary contributions during 2016 to this plan. Furthermore, the Company is not required to make, and does not intend to make, any contributions to the ARINC pension plans during 2016. Any additional future contributions necessary to satisfy minimum statutory funding requirements are dependent upon actual plan asset returns, interest rates and actuarial assumptions. Contributions to the non-U.S. plans and the U.S. non-qualified plan are expected to total $13 million in 2016.

Contributions to the Company's other postretirement plans are expected to total $15 million in 2016.

The Company participates in a multi-employer arrangement that provides postretirement benefits other than pension benefits. This arrangement provides medical benefits to certain bargaining unit active employees and retirees and their dependents. Contributions to this multi-employer arrangement were $1 million in 2015, $0 million in 2014 and $0 million in 2013.

Benefit Payments

The following table reflects estimated benefit payments to be made to eligible participants for each of the next five years and the following five years in the aggregate:

(in millions)	Pension Benefits		Other Retirement Benefits
2016	$	224	$	15
2017	227		15
2018	232		17
2019	238		17
2020	242		17
2021 - 2025	1,248		78

Estimated benefit payments for Other Retirement Benefits in the table above are shown net of plan participant contributions and therefore reflect the Company's portion only. Substantially all of the Pension Benefit payments relate to the Company's U.S. qualified funded plans which are paid from the pension trust.

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Defined Contribution Savings Plans and Employee Stock Purchase Plan

The Company sponsors defined contribution savings plans that are available to the majority of its employees. The plans allow employees to contribute a portion of their compensation on a pre-tax and/or after-tax basis in accordance with specified guidelines. For most plans, the Company matches a percentage of employee contributions using common stock of the Company up to certain limits. Employees may transfer at any time all or a portion of their balance in Company common stock to any of the other investment options offered within the plans. The Company is authorized to issue 16.5 million shares under the defined contribution savings plans, of which 1.9 million shares are available for future contributions at September 30, 2015. Additionally, the Company's defined contribution savings plan includes a cash contribution based on an employee's age and service.

ARINC has a defined contribution savings plan that is available to most of its employees. The plan allows employees to contribute a portion of their compensation on a pre-tax and/or after-tax basis in accordance with specified guidelines. The Company makes certain matching cash contributions to the plan, which totaled $4 million for 2015.

The Company's expense related to the defined contribution savings plans for 2015, 2014 and 2013 was as follows:

	2015			2014			2013
(in millions)	Shares	Expense		Shares	Expense		Shares	Expense
Contribution in shares:
Defined contribution savings plans	0.4	$	39	0.5	$	40	0.7	$	43
Contribution in cash:
Retirement contributions		47			50			42
Total		$	86		$	90		$	85

The Company also offers an Employee Stock Purchase Plan (ESPP) which allows employees to have their base compensation withheld to purchase the Company's common stock each month at 95 percent of the fair market value on the last day of the month. During 2013, the Company retired the legacy ESPP and replaced it with a new ESPP that is substantially the same. As of September 30, 2015, 2.6 million shares are available for future purchase. The ESPP is considered a non-compensatory plan and accordingly no compensation expense is recorded in connection with this benefit. During 2015, 2014 and 2013, 0.1 million, 0.1 million and 0.2 million shares, respectively, of Company common stock were issued to employees at a value of $11 million, $10 million and $10 million for the respective periods.

12. Shareowners' Equity

Common Stock

The Company is authorized to issue one billion shares of common stock, par value $0.01 per share, and 25 million shares of preferred stock, without par value.

Treasury Stock

The Company repurchased shares of its common stock as follows:

(in millions)	2015		2014		2013
Amount of share repurchases	$	325	$	206	$	569
Number of shares repurchased	3.8		2.7		9.8

At September 30, 2015, the Company was authorized to repurchase an additional $380 million of outstanding stock under the Company's share repurchase program.

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Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss (AOCL) consists of the following:

	September 30
(in millions)	2015			2014			2013
Unamortized pension and other retirement benefits (net of taxes of $952 for 2015, $783 for 2014 and $754 for 2013)	$	(1,637	)	$	(1,348	)	$	(1,293	)
Foreign currency translation adjustment	(56		)	(15		)	12
Foreign currency cash flow hedge adjustment	(6		)	(3		)	(6		)
Accumulated other comprehensive loss	$	(1,699	)	$	(1,366	)	$	(1,287	)

Changes in accumulated other comprehensive loss (AOCL), net of tax, by component are as follows:

	Foreign Exchange Translation Adjustment			Pension and Other Postretirement Adjustments (1)			Change in the Fair Value of Effective Cash Flow Hedges			Total
Balance at September 30, 2014	$	(15	)	$	(1,348	)	$	(3	)	$	(1,366	)
Other comprehensive income before reclassifications	(41		)	(334		)	(7		)	(382		)
Amounts reclassified from accumulated other comprehensive income	—			45			4			49
Net current period other comprehensive income	(41		)	(289		)	(3		)	(333		)
Balance at September 30, 2015	$	(56	)	$	(1,637	)	$	(6	)	$	(1,699	)

⁽¹⁾ Reclassifications from AOCL to net income related to the amortization of net actuarial losses and prior service credits for the Company's retirement benefit plans and were $71 million ($45 million net of tax), for 2015. The reclassifications are included in the computation of net benefit expense. See Note 11, Retirement Benefits for additional details.

13. Stock-Based Compensation and Earnings Per Share

Stock-Based Compensation Program Description

In February 2015, the Company's shareholders approved the Company's 2015 Long-Term Incentives Plan (2015 Plan), replacing the 2006 Long Term Incentives Plan (2006 Plan). Under the 2015 Plan, up to 11 million shares of common stock may be issued by the Company as non-qualified options, performance units, performance shares, stock appreciation rights, restricted shares, and restricted stock units. Each share issued pursuant to an award of restricted shares, restricted stock units, performance shares and performance units counts as 3.55 shares against the authorized limit. Shares available for future grant or payment under these plans were 10.9 million at September 30, 2015. All remaining shares not issued under the 2006 plan are void as awards will no longer be granted under the 2006 Plan and no shares were transfered from the 2006 Plan to the 2015 Plan.

Options to purchase common stock of the Company have been granted under various incentive plans to directors, officers and other key employees. All of the Company's stock-based incentive plans require options to be granted at prices equal to or above the fair market value of the common stock on the dates the options are granted. The plans provide that the option price for certain options granted under the plans may be paid by the employee in cash, shares of common stock or a combination thereof. Certain option awards provide for accelerated vesting if there is a change in control. Stock options generally expire 10 years from the date they are granted and generally vest ratably over three years.

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The Company utilizes performance shares, restricted stock and restricted stock units that generally cliff vest at the end of three years. The fair value of restricted stock and restricted stock units is estimated using the closing share price on the day of grant. The number of performance shares that will ultimately be issued is based on achievement of performance targets over a three-year period that considers cumulative sales growth and return on sales with an additional potential adjustment up or down depending on the Company's total return to shareowners compared to a group of peer companies. The fair value of performance shares is estimated using a Monte Carlo model that considers the likelihood of a payout adjustment for the total shareowner return in comparison to the peer group. Up to 240 percent of the performance shares the Company grants can be earned if maximum performance is achieved.

The Company's stock-based compensation awards are designed to align management's interests with those of the Company's shareowners and to reward outstanding Company performance. The Company has an ongoing share repurchase plan and expects to satisfy stock option exercises and stock award issuances from treasury stock.

Stock-based compensation expense is recognized on a straight-line basis over the requisite service period. Total stock-based compensation expense and related income tax benefit included within the Consolidated Statement of Operations for 2015, 2014 and 2013 is as follows:

(in millions)	2015		2014		2013
Stock-based compensation expense included in:
Product cost of sales	$	7	$	7	$	6
Selling, general and administrative expenses	17		17		14
Total	$	24	$	24	$	20
Income tax benefit	$	8	$	8	$	7

General Option Information

The following summarizes the activity of the Company's stock options for 2015:

	Shares (in thousands)		Weighted Average Exercise Price		Weighted Average Remaining Life (in years)	Aggregate Intrinsic Value (in millions)
Outstanding at September 30, 2014	4,320		$	54.18
Granted	562		83.81
Exercised	(1,094	)	46.02
Forfeited or expired	(89	)	57.06
Outstanding at September 30, 2015	3,699		$	61.02	5.9	$	79
Vested or expected to vest (1)	3,688		$	60.97	5.8	$	79
Exercisable at September 30, 2015	2,548		$	55.01	4.7	$	69

⁽¹⁾ Represents outstanding options reduced by expected forfeitures

	2015		2014		2013
Weighted-average fair value per share of options granted	$	19.59	$	18.60	$	12.81
Intrinsic value of options exercised (in millions) (2)	$	48	$	26	$	43

⁽²⁾ Represents the amount by which the stock price exceeded the exercise price of the options on the date of the exercise

The total fair value of options vested was $10 million, $10 million and $10 million during the years ended September 30, 2015, 2014 and 2013, respectively. Total unrecognized compensation expense for options that have not vested as of September 30, 2015 is $8 million and will be recognized over a weighted average period of 0.9 years.

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Stock Option Fair Value Information

The Company's determination of the fair value of option awards on the date of grant using an option-pricing model is affected by the Company's stock price as well as assumptions regarding a number of subjective variables. These assumptions include, but are not limited to: the Company's expected stock price volatility, the projected employee stock option exercise term, the expected dividend yield and the risk-free interest rate. Changes in these assumptions can materially affect the estimated value of the stock options.

The fair value of each option granted by the Company was estimated using a binomial lattice pricing model and the following weighted average assumptions:

	2015 Grants		2014 Grants		2013 Grants
Risk-free interest rate	0.5% - 2.6%		0.3% - 3.0%		0.3% - 2.9%
Expected dividend yield	1.6	%	1.9	%	2.0	%
Expected volatility	24.0	%	28.0	%	27.0	%
Expected life	7 years		7 years		8 years

The expected life of employee stock options represents the weighted-average period the stock options are expected to remain outstanding. The binomial lattice model assumes that employees' exercise behavior is a function of the option's remaining expected life and the extent to which the option is in-the-money. The binomial lattice model estimates the probability of exercise as a function of these two variables based on the entire history of exercises and forfeitures on all past option grants made by the Company.

Performance Shares, Restricted Stock and Restricted Stock Units Information

The following summarizes the Company's performance shares, restricted stock and restricted stock units for 2015:

	Performance Shares				Restricted Stock			Restricted Stock Units
(shares in thousands)	Shares		Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Nonvested at September 30, 2014	478		$	60.46	23	$	30.24	331		$	58.78
Granted	131		82.76		—	—		72		84.63
Vested	(158	)	55.01		—	—		(57	)	55.01
Forfeited	(13	)	66.78		—	—		(6	)	67.38
Nonvested at September 30, 2015	438		$	68.92	23	$	30.24	340		$	64.34

(in millions)	Performance Shares		Restricted Stock		Restricted Stock Units
Total unrecognized compensation costs at September 30, 2015	$	11	$	—	$	5
Weighted-average life remaining at September 30, 2015, in years	0.9		0		1.0
Weighted-average fair value per share granted in 2014	$	71.63	$	—	$	72.42
Weighted-average fair value per share granted in 2013	$	55.69	$	—	$	56.04

The maximum number of shares of common stock that can be issued in respect of performance shares granted in 2015 based on the achievement of performance targets for 2015 through 2017 is approximately 309,000. The maximum number of shares of common stock that can be issued in respect of performance shares granted in 2014 based on the

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

achievement of performance targets for 2014 through 2016 is approximately 340,000. For purposes of determining the maximum number of shares of common stock that can be issued with respect to the performance shares granted in 2014 and 2015, the maximums have been updated to reflect reductions arising as a result of terminations and retirements. The number of shares of common stock that will be issued in respect of performance shares granted in 2013 based on the achievement of performance targets for 2013 through 2015 is approximately 129,000.

Earnings Per Share and Diluted Share Equivalents

The computation of basic and diluted earnings per share is as follows:

(in millions, except per share amounts)	2015			2014			2013
Numerator for basic and diluted earnings per share:
Income from continuing operations	$	694		$	618		$	630
Income (loss) from discontinued operations, net of taxes	(8		)	(14		)	2
Net income	$	686		$	604		$	632
Denominator:
Denominator for basic earnings per share – weighted average common shares	132.3			135.1			136.5
Effect of dilutive securities:
Stock options	1.0			1.2			1.2
Performance shares, restricted stock and restricted stock units	0.4			0.4			0.4
Dilutive potential common shares	1.4			1.6			1.6
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversion	133.7			136.7			138.1
Earnings (loss) per share:
Basic
Continuing operations	$	5.25		$	4.57		$	4.62
Discontinued operations	(0.06		)	(0.10		)	0.01
Basic earnings per share	$	5.19		$	4.47		$	4.63
Diluted
Continuing operations	$	5.19		$	4.52		$	4.56
Discontinued operations	(0.06		)	(0.10		)	0.02
Diluted earnings per share	$	5.13		$	4.42		$	4.58

The average outstanding diluted shares calculation excludes options with an exercise price that exceeds the average market price of shares during the period. Stock options excluded from the average outstanding diluted shares calculation were 0.0 million, 0.0 million and 0.4 million in 2015, 2014 and 2013, respectively.

14. Other Income, Net

Other income, net consists of the following:

(in millions)	2015		2014		2013
Earnings from equity affiliates	$	3	$	7	$	13
Gain from business divestiture	—		10		—
Other	12		8		4
Other income, net	$	15	$	25	$	17

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15. Income Taxes

The components of income tax expense from continuing operations are as follows:

(in millions)	2015			2014			2013
Current:
U.S. federal	$	169		$	110		$	151
Non-U.S.	38			37			18
U.S. state and local	11			4			11
Total current	218			151			180
Deferred:
U.S. federal	49			105			53
Non-U.S.	(4		)	(2		)	(3		)
U.S. state and local	5			10			5
Total deferred	50			113			55
Income tax expense	$	268		$	264		$	235

Net current deferred income tax benefits (liabilities) consist of the tax effects of temporary differences related to the following:

	September 30
(in millions)	2015			2014
Inventory	$	(226	)	$	(191	)
Product warranty costs	29			32
Customer incentives	62			53
Contract reserves	11			14
Compensation and benefits	29			24
Valuation allowance	(8		)	(10		)
Other	28			30
Current deferred income taxes, net	$	(75	)	$	(48	)

Net long-term deferred income tax benefits (liabilities) consist of the tax effects of temporary differences related to the following:

	September 30
(in millions)	2015			2014
Retirement benefits	$	487		$	346
Intangibles	(177		)	(183		)
Capital lease liability	21			22
Property	(154		)	(151		)
Stock-based compensation	30			29
Deferred compensation	15			13
Capital loss carryover	42			43
Valuation allowance	(34		)	(33		)
Other	7			14
Long-term deferred income taxes, net	$	237		$	100

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Current deferred income tax assets and liabilities and long-term deferred income tax assets and liabilities are included in the Consolidated Statement of Financial Position as follows:

	September 30
(in millions)	2015			2014
Current deferred income tax asset	$	9		$	9
Current deferred income tax liability	(84		)	(57		)
Current deferred income taxes, net	$	(75	)	$	(48	)
Long-term deferred income taxes	$	241		$	101
Other liabilities	(4		)	(1		)
Long-term deferred income taxes, net	$	237		$	100

Management believes it is more likely than not that the current and long-term deferred tax assets will be realized through the reduction of future taxable income, except for $42 million of deferred tax assets which have been fully reserved and relate to a U.S. capital loss carry forward on the Company's sale of its Datapath business which expires in 2019. Significant factors considered by management in its determination of the probability of the realization of the deferred tax assets include: (a) the historical operating results of the Company ($1.509 billion of U.S. taxable income over the past three years), (b) expectations of future earnings, (c) the extended period of time over which the retirement benefit liabilities will be paid and (d) the expectations of future capital gains.

Changes in the valuation allowance for deferred tax assets are summarized as follows:

	September 30
(in millions)	2015			2014		2013
Balance at beginning of year	$	43		$	11	$	19
Charged to costs and expenses	—			32		—
Deductions	(1		)	—		(8		)
Balance at September 30	$	42		$	43	$	11

The effective income tax rate from continuing operations differed from the U.S. statutory tax rate as detailed below:

	2015		2014		2013
Statutory tax rate	35.0	%	35.0	%	35.0	%
Foreign rate differential	(1.0	)	(1.1	)	(1.2	)
State and local income taxes	1.2		1.3		1.3
Research and development credit	(3.2	)	(1.1	)	(5.1	)
Domestic manufacturing deduction	(2.0	)	(1.7	)	(2.0	)
Tax settlements	(1.6	)	(0.9	)	(0.1	)
Other	(0.5	)	(1.6	)	(0.7	)
Effective income tax rate	27.9	%	29.9	%	27.2	%

Income tax expense from continuing operations was calculated based on the following components of income before income taxes:

(in millions)	2015		2014		2013
U.S. income	$	835	$	754	$	755
Non-U.S. income	127		128		110
Total	$	962	$	882	$	865

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The Company's U.S. Federal income tax returns for the tax year ended September 30, 2011 and prior years have been audited by the IRS and are closed to further adjustments by the IRS. The IRS is currently auditing the Company's tax returns for the years ended September 30, 2012 and 2013. ARINC's U.S. Federal income tax returns are currently under audit by the IRS for the tax years ended December 31, 2009 and December 31, 2012 and are closed to further adjustments by the IRS for all tax years ended December 31, 2008 and prior. The Company and ARINC are also currently under audit in various U.S. states and non-U.S. jurisdictions. The U.S. states and non-U.S. jurisdictions have statutes of limitations generally ranging from 3 to 5 years. The Company believes it has adequately provided for any tax adjustments that may result from the various audits.

No provision has been made as of September 30, 2015 for U.S. federal or state, or additional non-U.S. income taxes related to approximately $539 million of undistributed earnings of non-U.S. subsidiaries which have been or are intended to be permanently reinvested. Thus, it is not practicable to estimate the amount of tax that might be payable on the undistributed earnings.

The Company had net income tax payments of $182 million, $182 million and $106 million in 2015, 2014 and 2013, respectively.

A reconciliation of the beginning and ending amount of unrecognized tax benefits for the years ended September 30 is as follows:

(in millions)	2015			2014			2013
Beginning balance	$	48		$	56		$	42
Additions for tax positions related to the current year	8			13			15
Additions for tax positions of prior years	6			1			3
Additions for tax positions related to acquisitions	—			8			—
Reductions for tax positions of prior years	(17		)	(17		)	(1		)
Reductions for tax positions of prior years related to lapse of statute of limitations	(1		)	(2		)	(2		)
Reductions for tax positions related to settlements with taxing authorities	(5		)	(11		)	(1		)
Ending balance	$	39		$	48		$	56

The total amount of unrecognized tax benefits that, if recognized, would affect the effective income tax rate were $11 million, $25 million and $34 million as of September 30, 2015, 2014 and 2013, respectively. Although the timing and outcome of tax settlements are uncertain, it is reasonably possible that during the next 12 months a reduction in unrecognized tax benefits may occur in the range of $0 to $13 million based on the outcome of tax examinations or as a result of the expiration of various statutes of limitations.

The Company includes interest and penalties related to unrecognized tax benefits in income tax expense. The total amount of interest and penalties recognized within Other Liabilities in the Consolidated Statement of Financial Position was $1 million and $1 million as of September 30, 2015 and 2014, respectively. The total amount of interest and penalties recorded as an expense or (income) within Income tax expense in the Consolidated Statement of Operations was $0 million, $(1) million and $0 million for the years ended September 30, 2015, 2014 and 2013, respectively.

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16. Fair Value Measurements

The FASB defines fair value as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. The FASB’s guidance classifies the inputs used to measure fair value into the following hierarchy:

Level 1 - quoted prices (unadjusted) in active markets for identical assets or liabilities

Level 2 - quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument

Level 3 - unobservable inputs based on the Company’s own assumptions used to measure assets and liabilities at fair value

A financial asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

The fair value of the Company's financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2015 and September 30, 2014 are as follows:

		September 30, 2015			September 30, 2014
(in millions)	Fair Value Hierarchy	Fair Value Asset (Liability)			Fair Value Asset (Liability)
Deferred compensation plan investments	Level 1	$	50		$	50
Interest rate swap assets	Level 2	34			18
Foreign currency forward exchange contract assets	Level 2	7			6
Foreign currency forward exchange contract liabilities	Level 2	(11		)	(9		)
Contingent consideration for ICG acquisition	Level 3	(12		)	—

There were no transfers between Levels of the fair value hierarchy during 2015 or 2014.

In addition to assets and liabilities that are recorded at fair value on a recurring basis, the Company is required to record certain assets and liabilities at fair value on a nonrecurring basis, generally as a result of acquisitions or the remeasurement of assets resulting from certain divestitures. See Note 3 for further discussion on the fair value of assets and liabilities associated with acquisitions. See Note 4 for further discussion on the fair value of assets and liabilities associated with divestitures.

Valuation Techniques

The deferred compensation plan investments consist of investments in marketable securities (primarily mutual funds) and the fair value is determined using the market approach based on quoted market prices of identical assets in active markets.

The fair value of the interest rate swaps is determined using the market approach and is calculated by a pricing model with observable market inputs.

The fair value of foreign currency forward exchange contracts is determined using the market approach and is calculated as the value of the quoted forward currency exchange rate less the contract rate multiplied by the notional amount.

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The contingent consideration for the ICG acquisition represents the estimated fair value of post-closing consideration owed to the sellers associated with the acquisition. This is categorized as Level 3 in the fair value hierarchy and the fair value is determined using a probability-weighted approach. The liability recorded was derived from the estimated probability that certain contingent payment milestones will be met in accordance with the terms of the purchase agreement.

As of September 30, 2015, there has not been any impact to the fair value of derivative liabilities due to the Company's own credit risk. Similarly, there has not been any impact to the fair value of derivative assets based on the Company's evaluation of counterparties' credit risks.

The carrying amounts and fair values of the Company's financial instruments are as follows:

	Asset (Liability)
	September 30, 2015						September 30, 2014
(in millions)	Carrying Amount			Fair Value			Carrying Amount			Fair Value
Cash and cash equivalents	$	252		$	252		$	323		$	323
Short-term debt	(448		)	(448		)	(504		)	(504		)
Long-term debt	(1,646		)	(1,750		)	(1,645		)	(1,747		)

The fair value of cash and cash equivalents and short-term debt approximates their carrying value due to the short-term nature of the instruments. These items are within Level 1 of the fair value hierarchy. Fair value information for all long-term debt is within Level 2 of the fair value hierarchy. The fair value of these financial instruments was based on current market interest rates and estimates of current market conditions for instruments with similar terms, maturities and degree of risk. The carrying amount and fair value of short-term and long-term debt excludes the interest rate swaps fair value adjustment. These fair value estimates do not necessarily reflect the amounts the Company would realize in a current market exchange.

17. Derivative Financial Instruments

Interest Rate Swaps

The Company manages its exposure to interest rate risk by maintaining an appropriate mix of fixed and variable rate debt, which over time should moderate the costs of debt financing. To meet this objective, the Company may use financial instruments in the form of interest rate swaps. In January 2010, the Company entered into two interest rate swap contracts which expire on July 15, 2019 and effectively converted $150 million of the 2019 Notes to floating rate debt based on six-month LIBOR plus 1.235 percent. In June 2015, the Company entered into two interest rate swap contracts which expire on July 15, 2019 and effectively converted the remaining $150 million of the 2019 Notes to floating rate debt based on three-month LIBOR plus 3.56 percent (collectively the 2019 Swaps).

In March 2014, the Company entered into three interest rate swap contracts (the 2023 Swaps) which expire on December 15, 2023 and effectively converted $200 million of the 2023 Notes to floating rate debt based on one-month LIBOR plus 0.94 percent.

The Company designated the 2019 and 2023 Swaps (the Swaps) as fair value hedges. The Swaps are recorded within Other Assets at a fair value of $34 million, offset by a fair value adjustment to Long-term Debt (Note 10) of $34 million at September 30, 2015. At September 30, 2014, the Swaps were recorded within Other Assets at a fair value of $18 million, offset by a fair value adjustment to Long-term Debt (Note 10) of $18 million. Cash payments or receipts between the Company and the counterparties to the Swaps are recorded as an adjustment to interest expense.

Forward Starting Interest Rate Swaps

In September 2013, the Company entered into forward starting interest rate swap agreements with combined notional values of $200 million to effectively lock in fixed interest rates on a portion of the long-term debt it incurred in December 2013 to refinance maturing debt and to fund the acquisition of ARINC. In October 2013, the Company entered into an additional $300 million notional value of forward starting interest rate swap agreements. These forward starting interest rate swaps were designated as cash flow hedges and were executed to hedge the risk of

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potentially higher benchmark U.S. Treasury bond yields on long-term debt with maturities ranging from 2023 to 2043 and fixed interest rates ranging between 2.8150 percent and 3.8775 percent. The forward starting interest rate swaps were terminated in December 2013 concurrent with the Company's debt issuance. Upon termination, the forward starting swaps were valued at a net loss of $2 million. This net loss has been deferred within Accumulated other comprehensive losses in the Consolidated Statement of Financial Position and will be amortized into interest expense over the life of the corresponding debt.

Foreign Currency Forward Exchange Contracts

The Company transacts business in various foreign currencies which subjects the Company’s cash flows and earnings to exposure related to changes in foreign currency exchange rates. These exposures arise primarily from purchases or sales of products and services from third parties and intercompany transactions. Foreign currency forward exchange contracts provide for the purchase or sale of foreign currencies at specified future dates at specified exchange rates and are used to offset changes in the fair value of certain assets or liabilities or forecasted cash flows resulting from transactions denominated in foreign currencies. As of September 30, 2015 and September 30, 2014, the Company had outstanding foreign currency forward exchange contracts with notional amounts of $359 million and $575 million, respectively. These notional values consist primarily of contracts for the European euro, British pound sterling and Japanese yen, and are stated in U.S. dollar equivalents at spot exchange rates at the respective dates.

Fair Value of Derivative Instruments

Fair values of derivative instruments in the Consolidated Statement of Financial Position as of September 30, 2015 and September 30, 2014 are as follows:

		Asset Derivatives
(in millions)	Classification	September 30, 2015		September 30, 2014
Foreign currency forward exchange contracts	Other current assets	$	7	$	6
Interest rate swaps	Other assets	34		18
Total		$	41	$	24

		Liability Derivatives
(in millions)	Classification	September 30, 2015		September 30, 2014
Foreign currency forward exchange contracts	Other current liabilities	$	11	$	9
Total		$	11	$	9

The fair values of derivative instruments are presented on a gross basis as the Company does not have any derivative contracts which are subject to master netting arrangements. As of September 30, 2015 there were no undesignated foreign currency forward exchange contracts classified within other current assets and $1 million classified within other current liabilities.

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The effect of derivative instruments on the Consolidated Statement of Operations for the fiscal years ended September 30, 2015 and 2014 is as follows:

		Amount of Gain (Loss)
(in millions)	Location of Gain (Loss)	September 30, 2015			September 30, 2014
Derivatives Designated as Hedging Instruments:
Fair Value Hedges
Interest rate swaps	Interest expense	$	11		$	8
Cash Flow Hedges
Foreign currency forward exchange contracts:
Amount of gain (loss) recognized in AOCL (effective portion, before deferred tax impact)	AOCL	$	(10	)	$	—
Amount of gain (loss) reclassified from AOCL into income	Cost of sales	(6		)	(1		)
Forward starting interest rate swaps:
Amount of gain (loss) recognized in AOCL (effective portion, before deferred tax impact)	AOCL	—			3
Derivatives Not Designated as Hedging Instruments:
Foreign currency forward exchange contracts	Cost of sales	(8		)	(1		)

There was no significant impact to the Company’s earnings related to the ineffective portion of any hedging instruments during the fiscal year ended September 30, 2015. In addition, there was no significant impact to the Company’s earnings when a hedged firm commitment no longer qualified as a fair value hedge or when a hedged forecasted transaction no longer qualified as a cash flow hedge during the fiscal year ended September 30, 2015.

The Company did not have any hedges with credit-risk-related contingent features or that required the posting of collateral as of September 30, 2015. The cash flows from derivative contracts are recorded in operating activities in the Consolidated Statement of Cash Flows.

The Company expects to reclassify approximately $5 million of AOCL losses from cash flow hedges into earnings over the next 12 months. The maximum duration of a foreign currency cash flow hedge contract at September 30, 2015 was 58 months.

18. Guarantees and Indemnifications

Product warranty costs

Accrued liabilities are recorded to reflect the Company’s contractual obligations relating to warranty commitments to customers. Warranty coverage of various lengths and terms is provided to customers depending on standard offerings and negotiated contractual agreements. An estimate for warranty expense is recorded at the time of sale based on the length of the warranty and historical warranty return rates and repair costs.

Changes in the carrying amount of accrued product warranty costs are summarized as follows:

	September 30
(in millions)	2015			2014			2013
Balance at beginning of year	$	104		$	121		$	126
Warranty costs incurred	(46		)	(47		)	(46		)
Product warranty accrual	42			46			48
Changes in estimates for prior years	(10		)	(15		)	(7		)
Increase from acquisitions	1			—			—
Foreign currency translation adjustments and other	(2		)	(1		)	—
Balance at September 30	$	89		$	104		$	121

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Guarantees

The Company provides a parent company guarantee related to various obligations of its 50 percent owned joint venture, Quest Flight Training Limited (Quest). The Company has guaranteed, jointly and severally with Quadrant Group plc (Quadrant), the other joint venture partner, the performance of Quest in relation to its contract with the United Kingdom Ministry of Defence (which expires in 2030) and the performance of certain Quest subcontractors (up to $2 million). In addition, the Company has also pledged equity shares in Quest to guarantee payment by Quest of a loan agreement executed by Quest. In the event of default on this loan agreement, the lending institution can request that the trustee holding such equity shares surrender them to the lending institution in order to satisfy all amounts then outstanding under the loan agreement. As of September 30, 2015, the outstanding loan balance was approximately $3 million. Quadrant has made an identical pledge to guarantee this obligation of Quest.

Should Quest fail to meet its obligations under these agreements, these guarantees may become a liability of the Company. As of September 30, 2015, the Quest guarantees are not reflected on the Company’s Consolidated Statement of Financial Position because the Company believes that Quest will meet all of its performance and financial obligations in relation to its contract with the United Kingdom Ministry of Defence and the loan agreement.

Letters of credit

The Company has contingent commitments in the form of letters of credit. Outstanding letters of credit are issued by banks on the Company’s behalf to support certain contractual obligations to its customers. If the Company fails to meet these contractual obligations, these letters of credit may become liabilities of the Company. Total outstanding letters of credit at September 30, 2015 were $252 million. These commitments are not reflected as liabilities on the Company’s Consolidated Statement of Financial Position.

Indemnifications

The Company enters into indemnifications with lenders, counterparties in transactions such as administration of employee benefit plans and other customary indemnifications with third parties in the normal course of business. The following are other than customary indemnifications based on the judgment of management:

The Company became an independent, publicly held company on June 29, 2001, when Rockwell International Corporation (Rockwell), renamed Rockwell Automation Inc., spun off its former avionics and communications business and certain other assets and liabilities of Rockwell by means of a distribution of all the Company’s outstanding shares of common stock to the shareowners of Rockwell in a tax-free spin-off (the spin-off). In connection with the spin-off, the Company may be required to indemnify certain insurers against claims made by third parties in connection with the Company’s legacy insurance policies.

In connection with agreements for the sale of portions of its business, the Company at times retains various liabilities of a business that relate to events occurring prior to its sale, such as tax, environmental, litigation and employment matters. The Company at times indemnifies the purchaser of a Rockwell Collins business in the event that a third party asserts a claim that relates to a liability retained by the Company.

The Company also provides indemnifications of varying scope and amounts to certain customers against claims of product liability or intellectual property infringement made by third parties arising from the use of Company or customer products or intellectual property. These indemnifications generally require the Company to compensate the other party for certain damages and costs incurred as a result of third party product liability or intellectual property claims arising from these transactions.

The amount the Company could be required to pay under its indemnification agreements is generally limited based on amounts specified in the underlying agreements, or in the case of some agreements, the maximum potential amount of future payments that could be required is not limited. When a potential claim is asserted under these agreements, the Company considers such factors as the degree of probability of an unfavorable outcome and the ability to make a reasonable estimate of the amount of loss. A liability is recorded when a potential claim is both probable and estimable. The nature of these agreements prevents the Company from making a reasonable estimate of the maximum potential amount it could be required to pay should counterparties to these agreements assert a claim; however, the Company currently has no material claims pending related to such agreements.

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19. Contractual Obligations and Other Commitments

The following table reflects certain of the Company's non-cancelable contractual commitments as of September 30, 2015:

	Payments Due By Period
(in millions)	2016		2017		2018		2019		2020		Thereafter		Total
Non-cancelable operating leases	$	59	$	49	$	40	$	31	$	25	$	126	$	330
Purchase contracts	45		23		18		19		9		24		138
Long-term debt	—		300		—		300		—		1,050		1,650
Interest on long-term debt	59		58		58		58		42		515		790
Total	$	163	$	430	$	116	$	408	$	76	$	1,715	$	2,908

Non-cancelable Operating Leases

The Company leases certain office and manufacturing facilities as well as certain machinery and equipment under various lease contracts with terms that meet the accounting definition of operating leases. Some leases include renewal options, which permit extensions of the expiration dates at rates approximating fair market rental rates. Rent expense for the years ended September 30, 2015, 2014 and 2013 was $73 million, $65 million and $67 million, respectively. The Company's commitments under these operating leases, in the form of non-cancelable future lease payments, are not reflected as a liability on the Consolidated Statement of Financial Position.

Purchase Contracts

The Company may enter into purchase contracts with suppliers under which there is a commitment to buy a minimum amount of products or pay a specified amount. These commitments are not reflected as a liability on the Company's Consolidated Statement of Financial Position. Amounts purchased under these agreements for the years ended September 30, 2015, 2014 and 2013 were $50 million, $38 million and $45 million, respectively.

Interest on Long-term Debt

Interest payments under long-term debt obligations exclude the potential effects of the related interest rate swap contracts.

20. Environmental Matters

The Company is subject to federal, state and local regulations relating to the discharge of substances into the environment, the disposal of hazardous wastes and other activities affecting the environment that have had and will continue to have an impact on the Company’s manufacturing operations. These environmental protection regulations may require the investigation and remediation of environmental impairments at current and previously owned or leased properties. In addition, lawsuits, claims and proceedings have been asserted on occasion against the Company alleging violations of environmental protection regulations, or seeking remediation of alleged environmental impairments, principally at previously owned or leased properties. As of September 30, 2015, the Company is involved in the investigation or remediation of eight sites under these regulations or pursuant to lawsuits asserted by third parties. Management estimates that the total reasonably possible future costs the Company could incur for seven of these sites is not significant. Management estimates that the total reasonably possible future costs the Company could incur from one of these sites to be approximately $12 million. The Company has recorded environmental reserves for this site of $6 million as of September 30, 2015, which represents management’s best estimate of the probable future cost for this site.

To date, compliance with environmental regulations and resolution of environmental claims has been accomplished without material effect on the Company’s liquidity and capital resources, competitive position or financial condition. Management believes that expenditures for environmental capital investment and remediation necessary to comply with present regulations governing environmental protection and other expenditures for the resolution of environmental claims will not have a material effect on the Company’s business or financial position.

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21. Legal Matters

The Company is subject to various lawsuits, claims and proceedings that have been or may be instituted or asserted against the Company relating to the conduct of the Company's business, including those pertaining to product liability, antitrust, intellectual property, safety and health, exporting and importing, contract, employment and regulatory matters. Although the outcome of these matters cannot be predicted with certainty and some lawsuits, claims or proceedings may be disposed of unfavorably to the Company, management believes there are no material pending legal proceedings.

22. Restructuring, Pension Settlement and Asset Impairment Charges, Net

In 2014, the Company recorded pension settlement and restructuring charges totaling $9 million. This amount was comprised of (i) $5 million for pension settlement charges (included within Selling, general and administrative expense) and (ii) $4 million for employee severance costs related to the consolidation and closure of two service centers as part of a plan to optimize the efficiency of the Company's global service center footprint. These severance costs were included within cost of sales. Through September 30, 2015, the Company has completed all cash payments associated with these actions.

In 2012, the Company recorded restructuring and asset impairment charges, net totaling $58 million. Included in this charge was $35 million related to employee severance costs, primarily resulting from decisions to realign the Company's European organizational structure to better position the business for long-term growth and to adjust the size of the workforce in anticipation of the sequestration impacts on the U.S. defense budgets. Through September 30, 2015, the Company has made cash severance payments of approximately $32 million related to the 2012 restructuring action. As of September 30, 2015, $3 million of employee separation costs related to the 2012 restructuring action remain to be paid in future periods.

23. Business Segment Information

Rockwell Collins designs, produces and supports communications and aviation systems for commercial and military customers and provides information management services through voice and data communication networks and solutions worldwide. The Company has three operating segments consisting of the Commercial Systems, Government Systems and Information Management Services businesses.

Commercial Systems supplies aviation electronics systems, products and services to customers located throughout the world. The customer base is comprised of OEMs of commercial air transport, business and regional aircraft, commercial airlines and business aircraft operators.

Government Systems provides avionics, communication products, surface solutions and navigation products to the U.S. Department of Defense, other government agencies, civil agencies, defense contractors and foreign ministries of defense around the world.

Information Management Services enables mission-critical data and voice communications throughout the world to customers using high-performance, high-quality and high-assurance proprietary radio and terrestrial networks, enhancing customer efficiency, safety and connectivity.

Sales made by the Company to the U.S. Government were 29 percent, 30 percent and 37 percent of total sales for the years ended September 30, 2015, 2014 and 2013, respectively.

The Company evaluates performance and allocates resources based upon, among other considerations, segment operating earnings. The Company's definition of segment operating earnings excludes income taxes, stock-based compensation, unallocated general corporate expenses, interest expense, significant gains and losses from the disposition of businesses and other special items as identified by management from time to time, such as significant restructuring and asset impairment charges. Intersegment sales are not material and have been eliminated. The accounting policies used in preparing the segment information are consistent with the policies described in Note 2.

93

ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The sales and earnings of continuing operations of the Company's operating segments are summarized as follows:

(in millions)	2015			2014			2013
Sales:
Commercial Systems	$	2,434		$	2,299		$	2,170
Government Systems	2,187			2,209			2,259
Information Management Services	623			471			45
Total sales	$	5,244		$	4,979		$	4,474
Segment operating earnings:
Commercial Systems	$	554		$	509		$	472
Government Systems	457			465			496
Information Management Services	95			62			5
Total segment operating earnings	1,106			1,036			973
Interest expense(1)	(61		)	(59		)	(28		)
Stock-based compensation	(24		)	(24		)	(20		)
General corporate, net	(59		)	(59		)	(58		)
Gain on divestiture of business	—			10			—
ARINC transaction costs(1)	—			(13		)	(2		)
Restructuring, pension settlement and asset impairment charges, net	—			(9		)	—
Income from continuing operations before income taxes	962			882			865
Income tax expense	(268		)	(264		)	(235		)
Income from continuing operations	$	694		$	618		$	630

⁽¹⁾ During the years ended September 30, 2014, and September 30, 2013, the Company incurred $3 million and $1 million, respectively, of bridge facility fees related to the acquisition of ARINC. These costs are included in interest expense; therefore total transaction costs related to the acquisition of ARINC during these periods were $16 million and $3 million, respectively.

94

ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following tables summarize the identifiable assets and investments in equity affiliates at September 30, 2015, 2014 and 2013, as well as the provision for depreciation and amortization, the amount of capital expenditures for property and earnings from equity affiliates for each of the three years ended September 30, for each of the operating segments and Corporate:

(in millions)	2015		2014		2013
Identifiable assets:
Commercial Systems	$	2,906	$	2,655	$	2,465
Government Systems	1,953		1,938		2,174
Information Management Services	1,886		1,885		—
Corporate	644		585		761
Total identifiable assets	$	7,389	$	7,063	$	5,400
Investments in equity affiliates:
Commercial Systems	$	7	$	—	$	—
Government Systems	6		8		22
Information Management Services	—		—		—
Total investments in equity affiliates	$	13	$	8	$	22
Depreciation and amortization:
Commercial Systems	$	117	$	108	$	92
Government Systems	83		80		81
Information Management Services	52		37		4
Total depreciation and amortization	$	252	$	225	$	177
Capital expenditures for property:
Commercial Systems	$	90	$	68	$	58
Government Systems	81		66		62
Information Management Services	39		29		—
Total capital expenditures for property	$	210	$	163	$	120
Earnings from equity affiliates:
Commercial Systems	$	—	$	—	$	—
Government Systems	3		7		13
Information Management Services	—		—		—
Total earnings from equity affiliates	$	3	$	7	$	13

The Company's operating segments share many common resources, infrastructures and assets in the normal course of business. Certain assets have been allocated between the operating segments primarily based on occupancy or usage, principally property, plant and equipment. Identifiable assets at Corporate consist principally of cash and net deferred income tax assets for all years presented.

95

ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

The following table summarizes sales by product category for the years ended September 30, 2015, 2014 and 2013:

(in millions)	2015		2014		2013
Commercial Systems product categories:
Air transport aviation electronics	$	1,385	$	1,285	$	1,181
Business and regional aviation electronics	1,049		1,014		989
Commercial Systems sales	2,434		2,299		2,170
Government Systems product categories:
Avionics	1,390		1,342		1,384
Communication products	401		455		450
Surface solutions	200		234		232
Navigation products	196		178		193
Government Systems sales	2,187		2,209		2,259
Information Management Services sales	623		471		45
Total sales	$	5,244	$	4,979	$	4,474

The air transport and business and regional aviation electronics sales categories are delineated based on the difference in underlying customer base, size of aircraft and markets served. For the years ended September 30, 2015, 2014 and 2013, product category sales for air transport aviation electronics include revenue from wide-body in-flight entertainment products and services of $57 million, $70 million and $83 million, respectively.

Product category sales for Government Systems are delineated based upon differences in the underlying product technologies and markets served. Prior period results of the communication products category in Government

Systems have been revised to exclude the divested Datapath business, which is now reported as a discontinued operation, as discussed in Note 4, Discontinued Operations and Divestitures.

The following table reflects sales for the years ended September 30, 2015, 2014 and 2013 by location of our customers and property at September 30, 2015, 2014 and 2013 by geographic region:

	Sales						Property
(in millions)	2015		2014		2013		2015		2014		2013
U.S.(1)	$	3,174	$	2,993	$	2,827	$	861	$	805	$	679
Europe	915		881		772		83		89		75
Asia-Pacific	503		486		371		15		19		14
Canada	369		349		322		1		1		1
Africa / Middle East	155		159		97		—		1		—
Latin America	128		111		85		4		4		4
International	2,070		1,986		1,647		103		114		94
Total	$	5,244	$	4,979	$	4,474	$	964	$	919	$	773

⁽¹⁾ For the years ended September 30, 2015, 2014 and 2013, U.S. sales include revenue from foreign military sales of $171 million, $176 million and $179 million, respectively.

Sales are attributable to geographic region based on the location of our customers.

96

ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

24. Quarterly Financial Information (Unaudited)

Quarterly financial information for the years ended September 30, 2015 and 2014 is summarized as follows:

	2015 Quarters
(in millions, except per share amounts)	First			Second			Third		Fourth		Total
Sales	$	1,226		$	1,341		$	1,293	$	1,384	$	5,244
Gross profit (total sales less product and service cost of sales)	369			404			405		436		1,614
Income from continuing operations	169			163			178		184		694
Income (loss) from discontinued operations, net of taxes	(2		)	(6		)	—		—		(8		)
Net income	$	167		$	157		$	178	$	184	$	686
Earnings (loss) per share:
Basic
Continuing operations	$	1.28		$	1.23		$	1.35	$	1.40	$	5.25
Discontinued operations	(0.02		)	(0.04		)	—		—		(0.06		)
Basic earnings per share	$	1.26		$	1.19		$	1.35	$	1.40	$	5.19
Diluted
Continuing operations	$	1.26		$	1.22		$	1.33	$	1.38	$	5.19
Discontinued operations	(0.02		)	(0.05		)	—		—		(0.06		)
Diluted earnings per share	$	1.24		$	1.17		$	1.33	$	1.38	$	5.13

Net income in the first quarter of 2015 includes a $22 million income tax benefit from the retroactive reinstatement of the Federal R&D Tax Credit.

Net income in the third quarter of 2015 includes a $14 million income tax benefit related to the remeasurement of certain prior year tax positions.

97

ROCKWELL COLLINS, INC.

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (Continued)

	2014 Quarters
(in millions, except per share amounts)	First			Second		Third			Fourth			Total
Sales	$	1,054		$	1,259	$	1,264		$	1,402		$	4,979
Gross profit (total sales less product and service cost of sales)	317			378		387			428			1,510
Income from continuing operations	134			148		163			173			618
Income (loss) from discontinued operations, net of taxes	(3		)	—		(5		)	(6		)	(14		)
Net income	$	131		$	148	$	158		$	167		$	604
Earnings (loss) per share:
Basic
Continuing operations	$	0.99		$	1.09	$	1.21		$	1.28		$	4.57
Discontinued operations	(0.02		)	—		(0.04		)	(0.04		)	(0.10		)
Basic earnings per share	$	0.97		$	1.09	$	1.17		$	1.24		$	4.47
Diluted
Continuing operations	$	0.98		$	1.08	$	1.19		$	1.27		$	4.52
Discontinued operations	(0.02		)	—		(0.04		)	(0.04		)	(0.10		)
Diluted earnings per share	$	0.96		$	1.08	$	1.15		$	1.23		$	4.42

Net income in the first quarter of 2014 includes $11 million of transaction costs related to the acquisition of ARINC ($15 million before income taxes), mostly offset by a $9 million gain realized on the sale of KOSI ($10 million before income taxes).

Net income in the fourth quarter of 2014 includes $6 million of pension settlement and restructuring charges ($9 million before income taxes).

Earnings per share amounts are computed independently each quarter. As a result, the sum of each quarter's per share amount may not equal the total per share amount for the respective year.

25. Subsequent Event

In October 2015, the Company initiated certain restructuring actions primarily as a result of continued weakness in the business aviation market. The Company expects to record a pre-tax restructuring charge in the first quarter of 2016 in the range of $35 million to $45 million, primarily consisting of employee severance costs. The majority of the cash payments associated with these actions are expected to occur in the Company's first and second quarter of 2016.

Item 9. Changes in and Disagreements with Accountants on Accounting and Financial Disclosure.

None.

98

Item 9A. Controls and Procedures.

Evaluation of Disclosure Controls and Procedures.

We maintain disclosure controls and procedures (as defined in Exchange Act Rule 13a-15(e)) that are designed to ensure that information required to be disclosed in our reports filed or submitted under the Securities Exchange Act of 1934 is recorded, processed, summarized and reported within the time periods specified in the SEC's rules and forms, including controls and procedures designed to ensure that such information is accumulated and communicated to our management, including our Chief Executive Officer and President and our Senior Vice President and Chief Financial Officer, as appropriate, to allow timely decisions regarding required disclosure. Management necessarily applied its judgment in assessing the costs and benefits of such controls and procedures, which, by their nature, can provide only reasonable assurance regarding management's disclosure control objectives.

We have carried out an evaluation, under the supervision and with the participation of our management, including our Chief Executive Officer and President and our Senior Vice President and Chief Financial Officer, of the effectiveness of the design and operation of our disclosure controls and procedures as of the end of the period covered by this Annual Report (the "Evaluation Date"). Based upon that evaluation, our Chief Executive Officer and President and our Senior Vice President and Chief Financial Officer concluded that our disclosure controls and procedures were effective at a reasonable assurance level as of the Evaluation Date.

Evaluation of Internal Control Over Financial Reporting

Management's report on internal control over financial reporting as of September 30, 2015 is included within Item 8 of this Annual Report on Form 10-K. The report of Deloitte & Touche LLP on the effectiveness of internal control over financial reporting is included within Item 9A of this Annual Report on Form 10-K.

Changes in Internal Control Over Financial Reporting

There were no changes in our internal control over financial reporting (as defined in Exchange Act Rule 13a-15(f)) that occurred during our last fiscal quarter that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

99

Report of Independent Registered Public Accounting Firm

To the Board of Directors and Shareowners of

Rockwell Collins, Inc.

We have audited the internal control over financial reporting of Rockwell Collins, Inc. and subsidiaries (the "Company") as of October 2, 2015, based on criteria established in Internal Control-Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission. The Company's management is responsible for maintaining effective internal control over financial reporting and for its assessment of the effectiveness of internal control over financial reporting, included in the accompanying Management’s Report on Internal Control Over Financial Reporting. Our responsibility is to express an opinion on the Company's internal control over financial reporting based on our audit.

We conducted our audit in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether effective internal control over financial reporting was maintained in all material respects. Our audit included obtaining an understanding of internal control over financial reporting, assessing the risk that a material weakness exists, testing and evaluating the design and operating effectiveness of internal control based on the assessed risk, and performing such other procedures as we considered necessary in the circumstances. We believe that our audit provides a reasonable basis for our opinion.

A company's internal control over financial reporting is a process designed by, or under the supervision of, the company's principal executive and principal financial officers, or persons performing similar functions, and effected by the company's board of directors, management, and other personnel to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles. A company's internal control over financial reporting includes those policies and procedures that (1) pertain to the maintenance of records that, in reasonable detail, accurately and fairly reflect the transactions and dispositions of the assets of the company; (2) provide reasonable assurance that transactions are recorded as necessary to permit preparation of financial statements in accordance with generally accepted accounting principles, and that receipts and expenditures of the company are being made only in accordance with authorizations of management and directors of the company; and (3) provide reasonable assurance regarding prevention or timely detection of unauthorized acquisition, use, or disposition of the company's assets that could have a material effect on the financial statements.

Because of the inherent limitations of internal control over financial reporting, including the possibility of collusion or improper management override of controls, material misstatements due to error or fraud may not be prevented or detected on a timely basis. Also, projections of any evaluation of the effectiveness of the internal control over financial reporting to future periods are subject to the risk that the controls may become inadequate because of changes in conditions, or that the degree of compliance with the policies or procedures may deteriorate.

In our opinion, the Company maintained, in all material respects, effective internal control over financial reporting as of October 2, 2015, based on the criteria established in Internal Control-Integrated Framework (2013) issued by the Committee of Sponsoring Organizations of the Treadway Commission.

We have also audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated financial statements as of and for the year ended October 2, 2015 of the Company and our report dated November 17, 2015 expressed an unqualified opinion on those financial statements.

/s/ DELOITTE & TOUCHE LLP

Chicago, Illinois

November 17, 2015

100

Item 9B. Other Information.

None.

PART III

Item 10. Directors, Executive Officers and Corporate Governance.

See the information under the captions Election of Directors, Information as to Nominees for Directors and Continuing Directors and Section 16(a) Beneficial Ownership Reporting Compliance in the 2016 Proxy Statement. See also the information with respect to executive officers of the Company under Item 4A of Part I.

No nominee for director was selected pursuant to any arrangement or understanding between the nominee and any person other than us pursuant to which such person is or was to be selected as a director or nominee.

The members of the Audit Committee of our Board of Directors are: Chris A. Davis, Andrew J. Policano and David Lilley. The Board of Directors has determined that all these members are "independent" as defined under applicable SEC and New York Stock Exchange rules and are "audit committee financial experts." The Board's affirmative determination with respect to Ms. Davis was based upon her education and more than twenty years in chief financial officer positions of public companies and her extensive audit committee experience. The Board's affirmative determination with respect to Dr. Policano was based upon his education and his extensive audit and finance committee experience. The Board's affirmative determination with respect to Mr. Lilley was based upon his relevant education and experience as an executive officer of a public company in actively supervising financial officers and his audit committee experience.

We have adopted a handbook entitled Rockwell Collins Standards of Business Conduct, and we have supporting policies covering standards of business conduct and conflicts of interest (collectively, the "code of ethics"). The code of ethics applies to our Chief Executive Officer, Chief Financial Officer, Vice President, Finance & Controller (who serves as our principal accounting officer), as well as to all of our other employees and to the members of our Board of Directors. The code of ethics is publicly available on our website at www.rockwellcollins.com. If we make any amendments to the code of ethics or grant any waiver, including any implicit waiver, from a provision of the code applicable to our Chief Executive Officer, Chief Financial Officer or principal accounting officer requiring disclosure under applicable SEC rules, we intend to disclose the nature of such amendment or waiver on our website.

Item 11. Executive Compensation.

See the information under the captions Compensation of Directors, Executive Compensation, Compensation Discussion and Analysis and Compensation Committee Report in the 2016 Proxy Statement.

Item 12. Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters.

See the information under the captions Voting SecuritiesandEquity Ownership of Certain Beneficial Owners and Management in the 2016 Proxy Statement.

101

Equity Compensation Plan Information

The following table gives information as of September 30, 2015, about our Common Stock that may be issued upon the exercise of options, warrants and rights under all of our existing equity compensation plans:

Plan Category	(a) Number Of Securities To Be Issued Upon Exercise Of Outstanding Options, Warrants And Rights		(b) Weighted-Average Exercise Price Of Outstanding Options, Warrants And Rights		(c) Number Of Securities Remaining Available For Future Issuance Under Equity Compensation Plans (Excluding Securities Reflected In Column (a))
Equity Compensation Plans Approved By Security Holders(1)	4,816,254	(2)	$	61.02	13,560,877	(3)(4)
Equity Compensation Plans Not Approved By Security Holders	0		0		0
Total	4,816,254		$	61.02	13,560,877

⁽¹⁾ Consists of the following equity compensation plans: 2006 Long-Term Incentives Plan and 2015 Long-Term Incentives Plan.

⁽²⁾ Includes 777,744 performance shares, which is the maximum number of shares that can be issued in the future if maximum performance is achieved under performance agreements granted in November 2013 and 2014. Of these performance shares, 129,456 will be issued in November 2015 based on performance shares granted in November 2012. Also includes 339,783 restricted stock units (RSUs). Such performance shares and RSUs are not included in the weighted average price calculation.

⁽³⁾ Also includes 2,641,069 shares available under our Employee Stock Purchase Plan (ESPP), which allows employees to have up to 15 percent of their base compensation withheld toward the purchase of our common stock. Shares are purchased each month by participants at 95 percent of the fair market value on the last day of the month pursuant to the ESPP.

⁽⁴⁾ Of the 10,919,808 shares available for future grant under the 2015 Long-Term Incentives Plan, each share issued pursuant to an award of restricted stock, restricted stock units, performance shares and performance units counts as 3.55 shares against this limit in accordance with the terms of the plan.

Item 13. Certain Relationships and Related Transactions, and Director Independence.

See the information under the caption Corporate Governance, Board of Directors and Committees and Certain Transactions and Other Relationships in the 2016 Proxy Statement.

Item 14. Principal Accounting Fees and Services.

See the information under the caption Proposal to Approve the Selection of Auditors in the 2016 Proxy Statement.

102

PART IV

Item 15. Exhibits and Financial Statement Schedules.

(a)			Financial Statements, Financial Statement Schedules and Exhibits.
	(1	)	Financial Statements
			The financial statements are included under Item 8 of this Annual Report on Form 10-K:
			Consolidated Statement of Financial Position, as of September 30, 2015 and 2014
			Consolidated Statement of Operations, years ended September 30, 2015, 2014 and 2013
			Consolidated Statement of Comprehensive Income, years ended September 30, 2015, 2014 and 2013
			Consolidated Statement of Cash Flows, years ended September 30, 2015, 2014 and 2013
			Consolidated Statement of Equity, years ended September 30, 2015, 2014 and 2013
			Notes to Consolidated Financial Statements
			Report of Independent Registered Public Accounting Firm
			All other schedules not filed herewith are omitted because of the absence of conditions under which they are required or because the information called for is shown in the financial statements or notes thereto.
			Exhibits
	3-a-1		Restated Certificate of Incorporation of the Company, as amended, filed as Exhibit 3-a-1 to the Company's Form 10-K for year ended September 30, 2001, is incorporated herein by reference.
	3-a-2		Certificate of Merger effecting name change of the Company from "New Rockwell Collins, Inc." to "Rockwell Collins, Inc.", filed as Exhibit 3-a-2 to the Company's Form 10-K for year ended September 30, 2001, is incorporated herein by reference.
	3-b-1		By-Laws of the Company, as amended and restated effective September 20, 2012, filed as Exhibit 3-b-1 to the Company's Form 8-K dated September 20, 2012, is incorporated herein by reference.
	4-a-1		Indenture dated as of November 1, 2001 between the Company and Citibank, N.A., as Trustee, filed as Exhibit 4.b to the Company's Registration Statement on Form S-3 (No. 333-72914), is incorporated herein by reference.
	4-a-2		Form of certificate for the Company's 4 3/4% Notes due 2013, filed as Exhibit 4-a to the Company's Form 8-K dated November 21, 2003, is incorporated herein by reference.
	4-a-3		Form of Supplemental Indenture dated as of December 4, 2006 between the Company and The Bank of New York Trust Company, N.A. (as incoming trustee), filed as Exhibit 4-a-4 to the Company's Form 8-K dated November 9, 2006, is incorporated herein by reference.
	4-a-4		Form of certificate for the Company's 5.25% Notes due July 15, 2019, filed as Exhibit 4 to the Company's Form 8-K dated May 1, 2009, is incorporated herein by reference.
	4-a-5		Underwriting Agreements, dated November 16, 2011, between the Company and Citigroup Global Markets Inc., Merril Lynch, Pierce, Fenner & Smith Incorporated and Wells Fargo Securities, LLC, as representatives of the several Underwriters named in Schedule 1 to the Underwriting Agreement, filed as Exhibit 1 to the Company's Form 8-K dated November 16, 2011, is incorporated herein by reference.
	4-a-6		Form of certificate for the Company's 3.100% notes due November 15, 2021, filed as Exhibit 4 to the Company's Form 8-K dated November 16, 2011, is incorporated herein by reference.
	4-a-7		Underwriting Agreement, dated December 11, 2013, between the Company and Citigroup Global Markets Inc., J.P. Morgan Securities LLC, Merrill Lynch, Pierce, Fenner & Smith Incorporated and Wells Fargo Securities, LLC, as representitives of the several Underwriters named in Schedule 1 to the Underwriting Agreement, filed as Exhibit 1 to the Company's Form 8-K dated December 17, 2013, is incorporated herein by reference.
	4-a-8		Form of certificate for the Company's Floating Rate Notes due 2016, filed as Exhibit 4.1 to the Company's Form 8-K dated December 17, 2013, is incorporated herein by reference.
	4-a-9		Form of certificate for the Company's 3.700% Notes due 2023, filed as Exhibit 4.2 to the Company's Form 8-K dated December 17, 2013, is incorporated herein by reference.
	4-a-10		Form of certificate for the Company's 4.800% Notes due 2043, filed as Exhibit 4.3 to the Company's Form 8-K dated December 17, 2013, is incorporated herein by reference.
	*10-a-1		The Company's 2001 Long-Term Incentives Plan, as amended, filed as Exhibit 10-a-9 to the Company's Form 10-K for year ended September 30, 2007, is incorporated herein by reference.

103

*10-a-2	Forms of Stock Option Agreements under the Company's 2001 Long-Term Incentives Plan, filed as Exhibit 10-a-2 to the Company's Form 10-K for year ended September 30, 2001, are incorporated herein by reference.
*10-a-3	Form of Restricted Stock Agreement under the Company's 2001 Long-Term Incentives Plan for restricted stock grants to the non-executive Chairman of the Board of Directors, filed as Exhibit 10-a-4 to the Company's Form 10-K for year ended September 30, 2001, is incorporated herein by reference.
*10-a-4	The Company's 2006 Long-Term Incentives Plan, as amended, filed as Appendix A to the Company's Notice and Proxy Statement dated December 18, 2009, is incorporated herein by reference.
*10-a-5	The Company's First Amendment to the Amended and Restated 2006 Long-Term Incentives Plan, as amended, filed as Exhibit 10-a-1 to the Company's Form 10-Q for the quarter ended June 30, 2012, is incorporated herein by reference.
*10-a-6	Form of Restricted Stock Unit Award under the Company's 2006 Long-Term Incentives Plan, filed as Exhibit 10.1 to the Company's Form 8-K dated February 7, 2006, is incorporated herein by reference.
*10-a-7	Forms of Stock Option Agreements under the Company's 2006 Long-Term Incentives Plan filed as Exhibit 10-a-8 to the Company's Form 10-K for year ended September 30, 2006, is incorporated herein by reference.
*10-a-8	The Company's 2006 Annual Incentive Compensation Plan for Senior Executives, as amended, filed as Exhibit 10-a-11 to the Company's Form 10-K for year ended September 30, 2007, is incorporated herein by reference.
*10-a-9	Forms of Stock Option Agreements, adopted November 20, 2009, under the Company's 2006 Long-Term Incentives Plan, filed as Exhibit 10-a-9 to the Company's Form 10-K for year ended September 30, 2009, is incorporated herein by reference.
*10-a-10	The Company’s 2015 Long-Term Incentives Plan filed as Appendix B to the Company’s Notice and Proxy Statement dated December 17, 2014, is incorporated herein by reference.
*10-a-11	Form of Stock Option Agreement under the Company’s 2006 and 2015 Long-Term Incentives Plans, filed as Exhibit 10-a-1 to the Company’s Form 10-Q for the quarter ended December 31, 2014, is incorporated herein by reference.
*10-a-12	Form of Performance Share Agreement under the Company’s 2006 and 2015 Long-Term Incentives Plans, filed as Exhibit 10-a-2 to the Company’s Form 10-Q for the quarter ended December 31, 2014, is incorporated herein by reference.
*10-a-13	Form of Restricted Stock Unit Award for Non-Employee Directors under the Company’s 2015 Long-Term Incentives Plan.
*10-b-1	The Company's Directors Stock Plan, adopted by the Company's Board of Directors on June 1, 2001 and approved by the Company's shareowners at the 2002 Annual Meeting of Shareowners, filed as Exhibit 10.2 to the Company's Registration Statement on Form 10 (File No. 001-16445) (the "Form 10"), is incorporated herein by reference.
*10-b-2	Form of Stock Option Agreement under the Company's Directors Stock Plan, filed as Exhibit 10-b-2 to the Company's Form 10-K for year ended September 30, 2001, is incorporated herein by reference.
*10-b-3	Form of Restricted Stock Agreement under the Company's Directors Stock Plan, filed as Exhibit 10-b-3 to the Company's Form 10-K for year ended September 30, 2001, is incorporated herein by reference.
*10-c-1	Compensation Recovery Policy acknowledgment and agreement filed as Exhibit 10-c-1 to the Company's Form 10-Q for the quarter ended December 31, 2012, is incorporated herein by reference.
*10-d-1	The Company's Incentive Compensation Plan, as amended, filed as Exhibit 10-d-2 to the Company's Form 10-K for year ended September 30, 2007, is incorporated herein by reference.
*10-f-1	The Company's Deferred Compensation Plan, as amended, filed as Exhibit 10-f-2 to the Company's Form 10-K for year ended September 30, 2007, is incorporated herein by reference.
*10-f-2	The Company's 2005 Deferred Compensation Plan, as amended and restated, filed as Exhibit 10-f-1 to the Company's Form 10-Q for quarter ended March 31, 2014, is incorporated herein by reference.
*10-f-3	The Company’s First Amendment to the 2005 Deferred Compensation Plan, as amended and restated.
*10-g-1	The Company's Non-Qualified Savings Plan, as amended, filed as Exhibit 10-g-2 to the Company's Form 10-K for year ended September 30, 2007, is incorporated herein by reference.
*10-g-2	The Company's 2005 Non-Qualified Retirement Savings Plan, as amended, filed as Exhibit 10-g-3 to the Company's Form 10-Q for quarter ended December 31, 2010, is incorporated herein by reference.
*10-h-1	The Company's 2005 Non-Qualified Pension Plan, as amended, filed as Exhibit 10-h-1 to the Company's Form 10-Q for quarter ended June 30, 2012, is incorporated herein by reference.
*10-h-2	The Company's Non-Qualified Pension Plan, as amended, filed as Exhibit 10-h-3 to the Company's Form 10-K for the year ended September 30, 2008, is incorporated herein by reference.

104

*10-i-1	The Company's Master Trust, as amended, filed as Exhibit 10-i-2 to the Company's Form 10-K for year ended September 30, 2007, is incorporated herein by reference.
10-k-1	Distribution Agreement dated as of June 29, 2001 by and among Rockwell International Corporation, the Company and Rockwell Scientific Company LLC, filed as Exhibit 2.1 to the Company's Form 8-K dated July 11, 2001, is incorporated herein by reference.
10-l-1	Employee Matters Agreement dated as of June 29, 2001 by and among Rockwell International Corporation, the Company and Rockwell Scientific Company LLC, filed as Exhibit 2.2 to the Company's Form 8-K dated July 11, 2001, is incorporated herein by reference.
10-m-1	Tax Allocation Agreement dated as of June 29, 2001 by and between Rockwell International Corporation and the Company, filed as Exhibit 2.3 to the Company's Form 8-K dated July 11, 2001, is incorporated herein by reference.
*10-n-1	Form of Change of Control Agreement between the Company and certain executives of the Company (Three-Year Agreement), as amended, filed as Exhibit 10-n-1 to the Company's Form 8-K dated April 21, 2009, is incorporated herein by reference.
*10-n-2	Schedule identifying executives of the Company who are party to a Change of Control Agreement.
10-o-3	Five-Year Credit Agreement dated as of September 24, 2013 among us, the Banks listed therein, JPMorgan Chase Bank, N.A., as Administrative Agent, Citibank, N.A., as Syndication Agent, Credit Agricole Corporate & Investment Bank, Mizuho Bank Ltd., The Bank of New York Mellon, U.S. Bank National Association and Wells Fargo Bank, N.A., as Co-Documentation Agents, and Citigroup Global Markets Inc. and J.P. Morgan Securities LLC, as Joint Lead Arrangers and Bookrunners, filed as Exhibit 10.2 to the Company's Form 8-K dated September 24, 2013, is incorporated herein by reference.
10-o-4	364-Day Credit Agreement dated as of September 24, 2013 among us, the Banks listed therein, JPMorgan Chase Bank, N.A., as Administrative Agent, Citibank, N.A., as Syndication Agent, Bank of America, N.A. Credit Agricole Corporate & Investment Bank, Mizuho Bank (USA), The Bank of New York Mellon, U.S. Bank National Association and Wells Fargo Bank, N.A., as Co-Documentation Agents, and Citigroup Global Markets Inc. and J.P. Morgan Securities LLC, as Joint Lead Arrangers and Bookrunners, filed as Exhibit 10.3 to the Company's Form 8-K dated September 24, 2013, is incorporated herein by reference.
*10-p-1	Transition and Consulting Agreement between the Company and Clayton M. Jones dated July 31, 2013 filed as Exhibit 10-p-1 to the Company's Form 10-K for the year ended September 30, 2013, is incorporated herein by reference.
10-p-2	Consulting Agreement between the Company and Gary R. Chadick dated February 6, 2014 filed as Exhibit 10-p-2 to the Company's Form 10-Q for the quarter ended March 31, 2014, is incorporated herein by reference.
*10-q-7	Forms of Three-Year Performance Share Agreements, adopted on November 20, 2009, filed as Exhibit 10-q-7 to the Company's Form 10-K for year ended September 30, 2009, is incorporated herein by reference.
*10-q-8	Forms of Three-Year Performance Share Agreements, adopted on November 14, 2011, filed as Exhibit 10-q-8 to the Company's Form 10-K for year ended September 30, 2011, is incorporated herein by reference.
10-t-1	Agreement and Plan of Merger, dated as of August 10, 2013, by and among Rockwell Collins, Inc., Avatar Merger Sub, Inc., Radio Holdings, Inc. and TC Group IV Managing GP, L.L.C., filed as Exhibit 99.1 to the Company's Form 8-K dated November 12, 2013, is incorporated herein by reference.
12	Statement re: Computation of Ratio of Earnings to Fixed Charges.
21	List of subsidiaries of the Company.
23	Consent of Independent Registered Public Accounting Firm.
24	Powers of Attorney authorizing certain persons to sign this Annual Report on Form 10-K on behalf of certain directors and officers of the Company.
31.1	Section 302 Certification of Chief Executive Officer.
31.2	Section 302 Certification of Chief Financial Officer.
32.1	Section 906 Certification of Chief Executive Officer.
32.2	Section 906 Certification of Chief Financial Officer.
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase.
101.DEF	XBRL Taxonomy Extension Definition Linkbase.
101.LAB	XBRL Taxonomy Extension Label Linkbase.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase.

105

* Management contract or compensatory plan or arrangement.

106

SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

ROCKWELL COLLINS, INC.
By	/s/ ROBERT J. PERNA
	Robert J. Perna Senior Vice President, General Counsel and Secretary

Dated: November 17, 2015

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below on the 17th day of November 2015 by the following persons on behalf of the registrant and in the capacities indicated.

/s/ ROBERT K. ORTBERG		Chairman, President and Chief Executive Officer (principal executive officer)
Robert K. Ortberg
ANTHONY J. CARBONE*		Director
CHRIS A. DAVIS*		Director
RALPH E. EBERHART*		Director
JOHN A. EDWARDSON*		Director
DAVID LILLEY*		Director
ANDREW J. POLICANO*		Director
CHERYL L. SHAVERS*		Director
JEFFREY L. TURNER*		Director
/s/ PATRICK E. ALLEN		Senior Vice President and Chief Financial Officer (principal financial officer)
Patrick E. Allen
/s/ TATUM J. BUSE		Vice President, Finance and Controller (principal accounting officer)
Tatum J. Buse
*By	/s/ ROBERT J. PERNA
	Robert J. Perna, Attorney-in-fact**

** By authority of the powers of attorney filed herewith.

S-1

EXHIBIT INDEX

Exhibit Number	Description
* 10-a-13	Form of Restricted Stock Unit Award for Non-Employee Directors under the Company’s 2015 Long-Term Incentives Plan.
* 10-f-3	The Company’s First Amendment to the 2005 Deferred Compensation Plan, as amended and restated.
* 10-n-2	Schedule identifying executives of the Company who are party to a Change of Control Agreement.
12	Statement re: Computation of Ratio of Earnings to Fixed Charges.
21	List of subsidiaries of the Company.
23	Consent of Independent Registered Public Accounting Firm.
24	Powers of Attorney authorizing certain persons to sign this Annual Report on Form 10-K on behalf of certain directors and officers of the Company.
31.1	Section 302 Certification of Chief Executive Officer.
31.2	Section 302 Certification of Chief Financial Officer.
32.1	Section 906 Certification of Chief Executive Officer.
32.2	Section 906 Certification of Chief Financial Officer.
101.INS	XBRL Instance Document.
101.SCH	XBRL Taxonomy Extension Schema.
101.CAL	XBRL Taxonomy Extension Calculation Linkbase.
101.DEF	XBRL Taxonomy Extension Definition Linkbase.
101.LAB	XBRL Taxonomy Extension Label Linkbase.
101.PRE	XBRL Taxonomy Extension Presentation Linkbase.
	* Management contract or compensatory plan or arrangement.

S-2

EX-10.A-13

Exhibit 10-a-13

ROCKWELL COLLINS, INC.

RESTRICTED STOCK UNIT AWARD

To:[Outside Director]

In accordance with the 2015 Long-Term Incentives Plan, as amended from time to time (the Plan) of Rockwell Collins, Inc. (the Company), and resolutions previously adopted or to be adopted by the Board of Directors regarding restricted stock unit compensation for directors pursuant to the Plan (the Board Resolutions), the Company is hereby providing to you (the Participant) an award of ____ restricted stock units (RSUs) on the date hereof. You will also be provided by the Company in accordance with the Plan an award of RSUs on the date of its Annual Shareowner Meeting each year that you continue as a director of the Company (collectively, the Award). Each RSU represents the right to receive one share of Common Stock of the Company as compensation for your service on the Board of Directors (the Board) of the Company.

Additional RSUs are contemplated to be awarded to you under this Award pursuant to the Plan and the Board Resolutions quarterly each year representing the quarterly cash retainer or other fees otherwise payable to you on such date in respect of your service on the Board and its committees to the extent you have elected to defer the retainer or other fees pursuant to the Director’s Election to Defer Receipt of Board Retainer Fees, which deferral election will be subject to the rules imposed by Internal Revenue Code Section 409A, as amended from time to time, including any proposed and final regulations and other guidance issued thereunder by the Department of the Treasury and/or the Internal Revenue Service (collectively, "Section 409A"). The number of additional RSUs to be awarded will be calculated in accordance with the Plan and will be based on Fair Market Value and the amount of fees then otherwise payable to you. For the avoidance of doubt, Participants holding RSU awards and additional RSUs that were granted pursuant to the Company’s 2006 Long-Term Incentives Plan, as amended (the “2006 LTIP”), will (i) be issued shares of Common Stock in accordance with the terms of such awards under the 2006 LTIP and (ii) receive additional RSUs under those awards pursuant to the Plan and not the 2006 LTIP on and after the date hereof (which is the date of shareowner approval of the Plan).

Capitalized terms used in this Award and not otherwise defined herein shall have the respective meanings ascribed to them in the Plan.

The RSUs have been awarded to you upon the following terms and conditions:

1.Rights of the Participant with Respect to the RSUs

a)No Shareholder Rights. The RSUs granted pursuant to this Award do not and shall not entitle Participant to any rights of a shareholder of Common Stock. The rights of Participant with respect to the RSUs shall remain forfeitable at all times prior to the date on which such rights become vested, and the restrictions with respect to the RSUs lapse, in accordance with Section 2 or 3.

b)Additional Restricted Stock Units. As long as Participant holds RSUs granted pursuant to this Award, the Company shall credit to Participant, on each date that the Company pays a cash dividend to holders of Common Stock generally, an additional number of RSUs (“Additional RSUs”) equal to the total number of whole RSUs and Additional RSUs previously credited to Participant multiplied by the dollar amount of the cash dividend paid per share of Common Stock by the Company on such date, divided by the Fair Market Value of a share of Common Stock on such date. Any fractional RSUs resulting from such calculation shall be included in the Additional RSUs. A report showing the number of Additional RSUs so credited shall be sent to Participant periodically, as determined by the Company. The Additional RSUs so credited shall be subject to the same terms and conditions as the RSUs to

which such Additional RSUs relate and the Additional RSUs shall be forfeited in the event that the RSUs with respect to which such Additional RSUs were credited are forfeited.

c)Conversion of Restricted Stock Units; Issuance of Common Stock. No shares of Common Stock shall be issued to Participant prior to the date on which the RSUs vest, and the restrictions with respect to the RSUs lapse, in accordance with Section 2 or 3. Neither this Section 1(c) nor any action taken pursuant to or in accordance with this Section 1(c) shall be construed to create a trust of any kind. After any RSUs vest pursuant to Section 2 or 3, the Company shall promptly cause shares of Common Stock to be issued in book-entry form, registered in Participant’s name or in the name of Participant’s legal representatives, beneficiaries or heirs, as the case may be, in payment of such vested whole RSUs and any Additional RSUs. The value of any fractional RSUs shall be paid in cash at the time certificates are delivered to Participant in payment of the RSUs and any Additional RSUs.

2.Early Vesting Upon Change of Control. Subject to the other terms and conditions set forth herein, upon the effective date of a Change in Control, all of the RSUs shall become immediately and unconditionally vested, and the restrictions with respect to all of the RSUs shall lapse. For purposes of this Award, a “Change in Control” shall be limited to a "change in control event" that meets the requirements of Section 409A.

3.Vesting Upon Termination of Directorship. If, prior to vesting of the RSUs pursuant to Section 2, Participant ceases to serve on the Board of Directors of the Company for any reason (voluntary or involuntary) including death or permanent long-term disability, unless there are arrangements in place between the Company and Participant that preclude a "separation from service" under Section 409A, then, subject to the other terms and conditions set forth herein, Participant’s rights to all of the unvested RSUs shall become immediately vested, and the restrictions with respect to all of the RSUs shall lapse as of the date of such departure from the Board. No transfer by will or the applicable laws of descent and distribution of any RSUs that vest by reason of Participant’s death shall be effective to bind the Company unless the Committee shall have been furnished with written notice of such transfer and a copy of the will or such other evidence as the Committee may deem necessary to establish the validity of the transfer.

4.Restriction on Transfer. The RSUs and Additional RSUs shall be deliverable, during your lifetime, only to you and are not transferable by you other than (i) by will or by the laws of descent and distribution; or (ii) by gift to your spouse or natural, adopted or step-children or grandchildren (Immediate Family Members) or to a trust for the benefit of one or more of your Immediate Family Members or to a family charitable trust established by you or a member of your family.

5.Adjustments to Restricted Stock Units. In the event of any change in or affecting the outstanding shares of Common Stock of the Company by reason of a stock dividend or split, merger or consolidation, or various other events, adjustments will be made as appropriate in connection with the RSUs as contemplated in the Plan. Notwithstanding anything in this paragraph to the contrary, no adjustment shall be made to the Award to the extent that the adjustment would constitute an additional deferral or acceleration of payment in violation of Section 409A.

6.Income Tax Matters. The Company shall have the right, in connection with the vesting of RSUs under this Award, (i) to deduct from any payment otherwise due by the Company to Participant or any other person receiving delivery of cash or shares of Common Stock an amount equal to any taxes required to be withheld by law with respect to such delivery, (ii) to require Participant or any other person receiving such delivery to pay to the Company an amount sufficient to provide for any such taxes so required to be withheld or (iii) to sell such number of shares of Common Stock otherwise deliverable as may be necessary so that the net proceeds of such sale shall be an amount sufficient to provide for any such taxes so required to be withheld.

7.Miscellaneous.

a)This Award does not confer on Participant any right with respect to the continuance of any relationship with the Company or its subsidiaries, nor will it interfere in any way with the right of the Company to terminate such relationship at any time.

b)The Company shall not be required to deliver any shares of Common Stock upon vesting of any RSUs until the requirements of any federal or state securities laws, rules or regulations or other laws or rules (including the rules of any securities exchange) as may be determined by the Company to be applicable are satisfied, provided that in all cases the delivery of any shares of Common Stock will be made within such time frame following the scheduled payment date as is required to comply with the requirements of Section 409A.

c)An original record of this Award and all the terms hereof, executed by the Company, is held on file by the Company. To the extent there is any conflict between the terms contained in this Award and the terms contained in the original held by the Company, the terms of the original held by the Company shall control.

ROCKWELL COLLINS, INC.

By: Robert J. Perna

Its: Senior Vice President, General Counsel and Secretary

Dated:

EX-10.F-3

Exhibit 10-f-3

ROCKWELL COLLINS, INC.

APPROVAL OF

FIRST AMENDMENT TO THE

ROCKWELL COLLINS

2005 DEFERRED COMPENSATION PLAN

(Amended and Restated Effective April 7, 2014)

The undersigned, Laura A. Patterson, Vice President, Total Rewards, Rockwell Collins, Inc. (the “Company”), pursuant to authority provided to me by the Company’s Senior Vice President of Human Resources, does hereby approve, for and on behalf of the Company, the First Amendment to the Rockwell Collins 2005 Deferred Compensation Plan (Amended and Restated Effective April 7, 2014) (the “Plan) that is attached hereto.

Dated this 21^st day of July 2015.

/s/ Laura A. Patterson

Laura A. Patterson

Vice President, Total Rewards

FIRST AMENDMENT

to the

ROCKWELL COLLINS

2005 DEFERRED COMPENSATION PLAN

(Amended and Restated Effective April 7, 2014)

The Rockwell Collins 2005 Deferred Compensation Plan, which was last amended and restated April 7, 2014 (the “Plan”), is hereby amended, as follows:

1. Effective as of the date hereof, the last sentence of Section 1.210 of the Plan (“Eligible Employee”) is hereby amended and restated to provide as follows:

Notwithstanding the foregoing, an Eligible Employee shall not include anyone who becomes an Employee of an Affiliate as a result of (1) the completion of the merger contemplated by the Agreement and Plan of Merger by and among the Company, Avatar Merger Sub, Inc., Radio Holdings, Inc., and TC Group IV Managing GP, L.L.C or (2) the Company’s stock purchase of International Communications Group, Inc.

2. Effective January 1, 2016, the last sentence of Section 1.210 of the Plan (“Eligible Employee”) is hereby deleted.

****

In all other respects, the Plan is hereby confirmed and approved.

EX-10.N-2

Exhibit 10-n-2

Schedule of Executives of the Company who are a party to the Change of Control Agreement:

Three-Year Agreement

1. Patrick E. Allen

2. Bruce M. King

3. Nan Mattai

4. Robert K. Ortberg

5. Kent L. Statler

6. Robert A. Sturgell

Two-Year Agreement

1. Tatum J. Buse

2. Philip J. Jasper

3. Jeffrey D. MacLauchlan

4. Colin R. Mahoney

5. Martha L. May

6. Robert J. Perna

7. Jeffrey A. Standerski

8. Douglas E. Stenske

EX-12

Exhibit 12

ROCKWELL COLLINS, INC.

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

YEAR ENDED SEPTEMBER 30, 2015

(in millions, except ratio)

	2015 (2)		2014 (2)		2013 (2)			2012 (2)			2011 (2)
Earnings available for fixed charges:
Income from continuing operations before income taxes	$	962	$	882	$	865		$	832		$	824
Add / (Deduct):
Earnings from equity affiliates, net of distributions	1		14		(3		)	(8		)	—
Gain on sale of equity affiliate	—		—		—			—			(3		)
	963		896		862			824			821
Add fixed charges included in earnings:
Interest expense	61		59		28			27			19
Interest element of rentals	25		22		23			24			24
Total earnings available for fixed charges	$	1,049	$	977	$	913		$	875		$	864
Fixed charges:
Fixed charges included in earnings	$	86	$	81	$	51		$	51		$	43
Capitalized interest	—		—		—			—			—
Total fixed charges	$	86	$	81	$	51		$	51		$	43
Ratio of earnings to fixed charges (1)	12		12		18			17			20

⁽¹⁾  In computing the ratio of earnings to fixed charges, earnings are defined as income from continuing operations before income taxes, adjusted for income or loss attributable to minority interests in subsidiaries, undistributed earnings of less than majority owned subsidiaries and fixed charges excluding capitalized interest. Fixed charges are defined as interest on borrowings (whether expensed or capitalized) and that portion of rental expense applicable to interest. Our ratio of earnings to combined fixed charges and preferred stock dividends for the period above are the same as our ratio of earnings to fixed charges because we had no shares of preferred stock outstanding for the period presented and currently have no shares of preferred stock outstanding.

⁽²⁾ Certain prior period information has been reclassified to conform to the current year presentation and to reflect the results of discontinued operations.

EX-21

Exhibit 21

List of Subsidiaries of Rockwell Collins, Inc.

	State/Country of
Name	Incorporation
ARINC Incorporated	Delaware
Radio Holdings, Inc.	Delaware
Rockwell Collins EUMEA Holdings SAS	France
Rockwell Collins European Holdings S.à r.l.	Luxembourg
Rockwell Collins International Financing S.à r.l.	Luxembourg
Rockwell Collins International Holdings S.à r.l.	Luxembourg

In accordance with Item 601(b)(21) of Regulation S-K, the company has omitted from this Exhibit the names of its subsidiaries which, considered in the aggregate or as a single subsidiary, do not constitute a significant subsidiary as defined in Rule 1-02(w) of Regulation S-X.

EX-23

Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-63100, 333-63120, 333-102047, 333-132764, 333-160384, 333-165235, and 333-186532 on Form S-8 and Nos. 333-63142 and 333-192761 on Form S-3 of our reports dated November 17, 2015, relating to the consolidated financial statements of Rockwell Collins, Inc. and subsidiaries (“the Company”), and the effectiveness of the Company’s internal control over financial reporting, appearing in this Annual Report on Form 10-K of the Company for the year ended October 2, 2015.

/s/ DELOITTE & TOUCHE LLP

Chicago, Illinois

November 17, 2015

EX-24

Exhibit 24

POWER OF ATTORNEY

I, the undersigned Director of Rockwell Collins, Inc., a Delaware corporation (the "Company"), hereby constitute ROBERT J. PERNA , PATRICK E. ALLEN and TATUM J. BUSE, and each of them singly, my true and lawful attorneys with full power to them and each of them to sign for me, and in my name and in the capacity or capacities indicated below, the Company's Annual Report on Form 10-K for the fiscal year ended September 30, 2015, and any amendments thereto.

Signature	Title	Date
/s/ Robert K. Ortberg	Chairman, President and Chief Executive Officer	November 10, 2015
Robert K. Ortberg
/s/ Anthony J. Carbone	Director	November 10, 2015
Anthony J. Carbone
/s/ Chris A Davis	Director	November 10, 2015
Chris A. Davis
/s/ Ralph E. Eberhart	Director	November 10, 2015
Ralph E. Eberhart
/s/ John A. Edwardson	Director	November 10, 2015
John A. Edwardson
/s/ David Lilley	Director	November 10, 2015
David Lilley
/s/ Andrew J. Policano	Director	November 10, 2015
Andrew J. Policano
/s/ Cheryl L. Shavers	Director	November 10, 2015
Cheryl L. Shavers
/s/ Jeffrey L. Turner	Director	November 10, 2015
Jeffrey L. Turner

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Robert K. Ortberg, Chairman, President and Chief Executive Officer of Rockwell Collins, Inc., certify that:

1. I have reviewed the annual report on Form 10-K for the fiscal year ended September 30, 2015 of Rockwell Collins, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting;

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:      November 17, 2015	/s/ Robert K. Ortberg
	Robert K. Ortberg
	Chairman, President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Patrick E. Allen, Senior Vice President and Chief Financial Officer of Rockwell Collins, Inc., certify that:

1. I have reviewed the annual report on Form 10-K for the fiscal year ended September 30, 2015 of Rockwell Collins, Inc.;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting;

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

Date:      November 17, 2015	/s/ Patrick E. Allen
	Patrick E. Allen
	Senior Vice President and
	Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION BY CHIEF EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Rockwell Collins, Inc. (the Company) on Form 10-K for the fiscal year ended September 30, 2015 (the Report) filed with the Securities and Exchange Commission, I, Robert K. Ortberg, Chairman, President and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Company’s Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:      November 17, 2015	/s/ Robert K. Ortberg
	Robert K. Ortberg
	Chairman, President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION BY CHIEF FINANCIAL OFFICER

PURSUANT TO 18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Rockwell Collins, Inc. (the Company) on Form 10-K for the fiscal year ended September 30, 2015 (the Report) filed with the Securities and Exchange Commission, I, Patrick E. Allen, Senior Vice President and Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(1) The Company’s Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:      November 17, 2015	/s/ Patrick E. Allen
	Patrick E. Allen
	Senior Vice President and
	Chief Financial Officer

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Property (Tables)

12 Months Ended

Sep. 30, 2015

Property, Plant and Equipment, Net [Abstract]

Property

Property is summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Land	$	15		$	15
Buildings and improvements	429			406
Machinery and equipment	1,164			1,135
Information systems software and hardware	406			369
Furniture and fixtures	66			65
Capital leases	58			60
Construction in progress	180			142
Total	2,318			2,192
Less accumulated depreciation	(1,354		)	(1,273		)
Property	$	964		$	919

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Business Segment Information (Identifiable Assets and Investments in Equity Affiliates) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Business Segment Information
Identifiable assets:	$ 7,389	$ 7,063	$ 5,400
Investments in equity affiliates:	13	8	22
Depreciation and amortization:	252	225	177
Capital expenditures for property:	210	163	120
Earnings from equity affiliates:	3	7	13
Commercial Systems [Member]
Business Segment Information
Identifiable assets:	2,906	2,655	2,465
Investments in equity affiliates:	7	0	0
Depreciation and amortization:	117	108	92
Capital expenditures for property:	90	68	58
Earnings from equity affiliates:	0	0	0
Government Systems [Member]
Business Segment Information
Identifiable assets:	1,953	1,938	2,174
Investments in equity affiliates:	6	8	22
Depreciation and amortization:	83	80	81
Capital expenditures for property:	81	66	62
Earnings from equity affiliates:	3	7	13
Information Management Services [Member]
Business Segment Information
Identifiable assets:	1,886	1,885	0
Investments in equity affiliates:	0	0	0
Depreciation and amortization:	52	37	4
Capital expenditures for property:	39	29	0
Earnings from equity affiliates:	0	0	0
Corporate [Member]
Business Segment Information
Identifiable assets:	$ 644	$ 585	$ 761

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Business Description and Basis of Presentation (Details)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Operating Cycle	52/53 weeks
Current Year Fiscal Period	P52W	P53W	P52W

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Fair Value Measurements (Tables)

12 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Financial Assets and Liabilities at Fair Value on Recurring Basis

The fair value of the Company's financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2015 and September 30, 2014 are as follows:

		September 30, 2015			September 30, 2014
(in millions)	Fair Value Hierarchy	Fair Value Asset (Liability)			Fair Value Asset (Liability)
Deferred compensation plan investments	Level 1	$	50		$	50
Interest rate swap assets	Level 2	34			18
Foreign currency forward exchange contract assets	Level 2	7			6
Foreign currency forward exchange contract liabilities	Level 2	(11		)	(9		)
Contingent consideration for ICG acquisition	Level 3	(12		)	—

Financial Instruments at Fair Value and Carrying Value

The carrying amounts and fair values of the Company's financial instruments are as follows:

	Asset (Liability)
	September 30, 2015						September 30, 2014
(in millions)	Carrying Amount			Fair Value			Carrying Amount			Fair Value
Cash and cash equivalents	$	252		$	252		$	323		$	323
Short-term debt	(448		)	(448		)	(504		)	(504		)
Long-term debt	(1,646		)	(1,750		)	(1,645		)	(1,747		)

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Debt (Commercial Paper Borrowings) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 23, 2013
Revolving Credit Facility [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity			$ 1,000,000,000
Short-term commercial paper borrowings [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity	$ 1,000,000,000
Maximum Days of Commercial Paper Maturity	364 days
Commercial Paper	$ 448,000,000	$ 504,000,000
Weighted Average Interest Rate	0.52%	0.32%
Weighted average maturity period	25 days	29 days
Short term Credit Facility [Member]
Short-term Debt [Line Items]
Line of credit facility, maximum borrowing capacity			$ 200,000,000

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Significant Accounting Policies (Details) $ in Millions	12 Months Ended
	Sep. 30, 2015 USD ($) Subsidiary	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)
Significant Accounting Policies
Number of Consolidated Subsidiaries with Income Attributable to Noncontrolling Interest | Subsidiary	1
Other Research and Development Expense	$ 272	$ 268	$ 291
Number of Reporting Units	6
Inventory Valuation Reserves	$ 87	91
Preproduction Engineering Costs Useful Life Maximum, in Years	15 years
Up-Front Sales Incentives Amortization Period Maximum, in Years	15 years
Receivables, net	$ 1,038	$ 1,033
Business Jet Aircraft Manufacturers [Member]
Significant Accounting Policies
Receivables, net	$ 148
Workforce Subject to Collective Bargaining Arrangements [Member]
Significant Accounting Policies
Concentration Risk, Percentage	10.00%
Minimum [Member]
Significant Accounting Policies
Weighted average useful life	5 years
Minimum [Member] | Building and Building Improvements [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	10 years
Minimum [Member] | Machinery and Equipment [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	3 years
Minimum [Member] | Information Systems Software and Hardware [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	3 years
Minimum [Member] | Furniture and Fixtures [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	5 years
Minimum [Member] | Capital Lease Obligations [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	5 years
Maximum [Member]
Significant Accounting Policies
Weighted average useful life	23 years
Maximum [Member] | Building and Building Improvements [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	40 years
Maximum [Member] | Machinery and Equipment [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	15 years
Maximum [Member] | Information Systems Software and Hardware [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	10 years
Maximum [Member] | Furniture and Fixtures [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	15 years
Maximum [Member] | Capital Lease Obligations [Member]
Significant Accounting Policies
Property, Plant and Equipment, Useful Life	15 years

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Retirement Benefits (Other Comprehensive Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Plan Disclosure
Prior service cost	$ (2)
Net actuarial loss	86
Total	84
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Prior service cost	(1)
Net actuarial loss	78
Total	77
Pension Plans, Defined Benefit [Member] | Prior Service Cost (Credit) [Member]
Defined Benefit Plan Disclosure
Accumulated Other Comprehensive Loss Balance	6	$ (6)
Current year net actuarial loss	0	0
Amortization of prior service cost	3	12
Amortization of actuarial loss	0		$ 0
Accumulated Other Comprehensive Loss Balance	9	6	(6)
Pension Plans, Defined Benefit [Member] | Net Actuarial Loss [Member]
Defined Benefit Plan Disclosure
Accumulated Other Comprehensive Loss Balance	2,035	1,958
Current year net actuarial loss	515	149
Amortization of prior service cost	0	0
Amortization of actuarial loss	(72)		(72)
Accumulated Other Comprehensive Loss Balance	2,478	2,035	1,958
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Prior service cost	(1)
Net actuarial loss	8
Total	7
Other Postretirement Benefit Plans, Defined Benefit [Member] | Prior Service Cost (Credit) [Member]
Defined Benefit Plan Disclosure
Accumulated Other Comprehensive Loss Balance	(9)	(18)
Current year net actuarial loss	0	0
Amortization of prior service cost	5	9
Amortization of actuarial loss	0		0
Accumulated Other Comprehensive Loss Balance	(4)	(9)	(18)
Other Postretirement Benefit Plans, Defined Benefit [Member] | Net Actuarial Loss [Member]
Defined Benefit Plan Disclosure
Accumulated Other Comprehensive Loss Balance	99	113
Current year net actuarial loss	14	(6)
Amortization of prior service cost	0	0
Amortization of actuarial loss	(7)		(8)
Accumulated Other Comprehensive Loss Balance	$ 106	$ 99	$ 113

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Derivative Financial Instruments (Fair Values of Derivative Instruments) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014
Derivative Financial Instruments
Total	$ 41	$ 24
Total	11	9
Other Current Assets [Member]
Derivative Financial Instruments
Foreign currency forward exchange contracts	7	6
Other Assets [Member]
Derivative Financial Instruments
Interest rate swaps	34	18
Other Current Liabilities [Member]
Derivative Financial Instruments
Foreign currency forward exchange contracts	$ 11	$ 9

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Other Income, Net (Tables)

12 Months Ended

Sep. 30, 2015

Nonoperating Income (Expense) [Abstract]

Summary of Other Income, Net

Other income, net consists of the following:

(in millions)	2015		2014		2013
Earnings from equity affiliates	$	3	$	7	$	13
Gain from business divestiture	—		10		—
Other	12		8		4
Other income, net	$	15	$	25	$	17

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Subsequent Event

12 Months Ended

Sep. 30, 2015

Subsequent Events [Abstract]

Subsequent Event

Subsequent Event

In October 2015, the Company initiated certain restructuring actions primarily as a result of continued weakness in the business aviation market. The Company expects to record a pre-tax restructuring charge in the first quarter of 2016 in the range of $35 million to $45 million, primarily consisting of employee severance costs. The majority of the cash payments associated with these actions are expected to occur in the Company's first and second quarter of 2016.

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Retirement Benefits (Actuarial Assumptions) (Details)		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014
Defined Benefit Plan Disclosure
Compensation increase rate			4.00%
Actuarial gains losses amortization threshold		10.00%
Expected Future Lifetime Of Inactive Participants		26 years
U.S. Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure
Discount rate		3.96%	3.96%
Compensation increase rate		4.00%	4.00%
Discount rate		3.96%	4.51%
Expected long-term return on plan assets		8.23%	8.23%
Compensation increase rate		4.00%	4.00%
Health care cost gross trend rate		0.00%	0.00%
Ultimate trend rate		0.00%	0.00%
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Discount rate		2.94%	3.15%
Compensation increase rate		3.04%	3.48%
Discount rate		3.15%	3.93%
Expected long-term return on plan assets		6.70%	8.17%
Compensation increase rate		3.48%	3.45%
Health care cost gross trend rate		0.00%	0.00%
Ultimate trend rate		0.00%	0.00%
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Discount rate		3.73%	3.70%
Compensation increase rate		4.00%	4.00%
Discount rate		3.70%	4.14%
Expected long-term return on plan assets		8.25%	8.25%
Compensation increase rate		4.00%
Health care cost gross trend rate	[1]	7.48%	7.97%
Ultimate trend rate	[1]	4.98%	4.98%
Year that trend reaches ultimate rate	[1]	2019	2019

[1] Due to the effect of the fixed Company contribution, increasing or decreasing the health care cost trend rate by one percentage point would not have a significant impact on the Company's cost of providing Other Retirement Benefits.

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Debt (Other Long-Term Debt) (Details) - Unsecured Notes [Member] - USD ($)	1 Months Ended	2 Months Ended	3 Months Ended	7 Months Ended
	Jan. 31, 2010	Nov. 16, 2011	Mar. 31, 2014	May. 06, 2009	Jun. 30, 2015
Long-term Debt
Description of variable rate basis	six-month LIBOR		one-month LIBOR
2021 Notes [Member]
Long-term Debt
Face amount		$ 250,000,000
Interest rate		3.10%
Debt Instrument, Issuance Date		Nov. 16, 2011
Debt Instrument, Maturity Date, Description		November 15, 2021
2019 Notes [Member]
Long-term Debt
Face amount				$ 300,000,000
Interest rate				5.25%
Derivative amount of hedged item	$ 150,000,000				$ 150,000,000
Derivative basis spread on variable rate	1.235%
Debt Instrument, Issuance Date				May 06, 2009
Debt Instrument, Maturity Date, Description				7/15/2019
2019 Notes [Member] | Six month LIBOR [Member]
Long-term Debt
Derivative basis spread on variable rate	1.235%
Description of variable rate basis	six-month LIBOR
2019 Notes [Member] | Three month LIBOR [Member]
Long-term Debt
Derivative basis spread on variable rate					3.56%

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Stock-Based Compensation and Earnings Per Share (Performance Shares, Restricted Shares and Restricted Stock Units) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Weighted Average Grant Date Fair Value
Share Based Compensation Arrangement By Share Based Payment Award Maximum Number Of Performance Shares (shares in thousands)	309	340	129
Performance Shares [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested at September 30, 2014 (Shares)	478
Granted (Shares)	131
Vested (Shares)	(158)
Forfeited (Shares)	(13)
Nonvested at September 30, 2015 (Shares)	438	478
Weighted Average Grant Date Fair Value
Nonvested at September 30, 2014 (usd per share)	$ 60.46
Granted (usd per share)	82.76	$ 71.63	$ 55.69
Vested (usd per share)	55.01
Forfeited (usd per share)	66.78
Nonvested at September 30, 2015 (usd per share)	$ 68.92	$ 60.46
Total unrecognized compensation costs at September 30, 2015	$ 11
Weighted average life remaining at September 30, 2015, in years	10 months 24 days
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested at September 30, 2014 (Shares)	23
Granted (Shares)	0
Vested (Shares)	0
Forfeited (Shares)	0
Nonvested at September 30, 2015 (Shares)	23	23
Weighted Average Grant Date Fair Value
Nonvested at September 30, 2014 (usd per share)	$ 30.24
Granted (usd per share)	0.00	$ 0.00	0.00
Vested (usd per share)	0.00
Forfeited (usd per share)	0.00
Nonvested at September 30, 2015 (usd per share)	$ 30.24	$ 30.24
Total unrecognized compensation costs at September 30, 2015	$ 0
Weighted average life remaining at September 30, 2015, in years	0 days
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested at September 30, 2014 (Shares)	331
Granted (Shares)	72
Vested (Shares)	(57)
Forfeited (Shares)	(6)
Nonvested at September 30, 2015 (Shares)	340	331
Weighted Average Grant Date Fair Value
Nonvested at September 30, 2014 (usd per share)	$ 58.78
Granted (usd per share)	84.63	$ 72.42	$ 56.04
Vested (usd per share)	55.01
Forfeited (usd per share)	67.38
Nonvested at September 30, 2015 (usd per share)	$ 64.34	$ 58.78
Total unrecognized compensation costs at September 30, 2015	$ 5
Weighted average life remaining at September 30, 2015, in years	1 year

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Acquisitions Acquisition Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions		Sep. 30, 2015	Sep. 30, 2014	Dec. 23, 2013	Sep. 30, 2013
Acquisitions
Business held for sale		$ 0	$ 15
Liabilities associated with business held for sale		0	(16)
Goodwill		$ 1,904	$ 1,863		$ 779
ARINC [Member]
Acquisitions
Restricted Cash	[1]			$ 61
Receivables and Other current assets				216
Building held for sale	[2]			81
Business held for sale	[3]			15
Property				49
Intangible Assets				431
Other Assets				11
Total Identifiable Assets Acquired				864
Payable to ARINC option holders	[1]			(61)
Current Liabilities				(171)
Liability related to building held for sale	[2]			(81)
Liabilities associated with business held for sale	[3]			(12)
Long-term deferred income taxes				(182)
Retirement Benefits and Other Long-term Liabilities				(39)
Total Liabilities Assumed				546
Net Identifiable Assets Acquired, excluding Goodwill				318
Goodwill				1,087
Net Assets Acquired				$ 1,405

[1] Option-holders of ARINC were due approximately $61 million at the transaction closing date. This payment did not clear until December 24, 2013. Therefore the opening balance sheet, which was prepared as of December 23, 2013, includes restricted cash of $61 million and a current liability payable to the ARINC option holders for an equal amount.

[2] On March 28, 2014, the Company sold the building which was classified as held for sale at the acquisition date. For more information related to the Building held for sale, see discussion below.

[3] Assets and liabilities associated with the Business held for sale relate to ASES, which the Company divested, as detailed in Note 4.

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Restructuring, Pension Settlement and Asset Impairment Charges, Net (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended		36 Months Ended
	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2012	Sep. 30, 2015
Restructuring and Asset Impairment Charges [Line Items]
Pension Settlement and Restructuring Charges	$ 9
2014 Restructuring [Member]
Restructuring and Asset Impairment Charges [Line Items]
Pension Settlement and Restructuring Charges		$ 9
Pension Settlement		5
2012 Restructuring [Member]
Restructuring and Asset Impairment Charges [Line Items]
Total restructuring and asset impairment charges, net			$ 58
Employee Severance [Member] | 2014 Restructuring [Member]
Restructuring and Asset Impairment Charges [Line Items]
Employee separation costs		4
Employee Severance [Member] | 2012 Restructuring [Member]
Restructuring and Asset Impairment Charges [Line Items]
Employee separation costs			$ 35
Restructuring Reserve, Settled with Cash				$ 32
Restructuring Reserve		$ 3		$ 3

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Retirement Benefits (Components of Expense (Income)) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Pension Plans, Defined Benefit [Member]
Components of Expense (Income)
Service cost	$ 12	$ 10	$ 10
Interest cost	155	168	139
Expected return on plan assets	(242)	(228)	(203)
Prior service credit	(3)	(12)	(18)
Net actuarial loss	72	72	79
Net benefit expense (income)	(6)	10	7
Other Postretirement Benefit Plans, Defined Benefit [Member]
Components of Expense (Income)
Service cost	3	3	4
Interest cost	7	9	8
Expected return on plan assets	(1)	(1)	(1)
Prior service credit	(5)	(9)	(8)
Net actuarial loss	7	8	12
Net benefit expense (income)	$ 11	$ 10	$ 15

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Stock-Based Compensation and Earnings Per Share (Stock-Based Compensation Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Stock-Based Compensation
Stock-based compensation expense	$ 24	$ 24	$ 20
Income tax benefit	8	8	7
Employee Share Based Compensation Allocation Of Recognized Expense Cost Of Sales [Member]
Stock-Based Compensation
Stock-based compensation expense	7	7	6
Employee Service Share Based Compensation Allocation Of Recognized Expense Selling General and Administrative [Member]
Stock-Based Compensation
Stock-based compensation expense	$ 17	$ 17	$ 14

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Retirement Benefits (Contributions) (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Oct. 31, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Plan Disclosure
Pension Contributions		$ 69	$ 75	$ 122
Contributions made to multi-employer arrangements		1	0	$ 0
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Pension Contributions		69	75
U.S. Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure
Pension Contributions		55	55
U.S. Non-qualified Pension Plan [Member]
Defined Benefit Plan Disclosure
Pension Contributions		9	14
Foreign Pension Plan [Member]
Defined Benefit Plan Disclosure
Pension Contributions		5	6
Non-U.S. Plans and U.S. Non-Qualified Plan [Member]
Defined Benefit Plan Disclosure
Expected contributions pension and other postretirement plans		13
Other Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure
Pension Contributions		16	$ 18
Expected contributions pension and other postretirement plans		$ 15
Subsequent Event [Member] | U.S. Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure
Pension Contributions	$ 55

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Stock-Based Compensation and Earnings Per Share (General Option Information) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Shares (in thousands)
Outstanding at September 30, 2014 (shares)		4,320
Granted (shares)		562
Exercised (shares)		(1,094)
Forfeited or expired (shares)		(89)
Outstanding at September 30, 2015 (shares)		3,699	4,320
Vested or expected to vest (shares)	[1]	3,688
Exercisable at September 30, 2015 (shares)		2,548
Weighted Average Exercise Price
Outstanding at September 30, 2014 (usd per share)		$ 54.18
Granted (usd per share)		83.81
Exercised (usd per share)		46.02
Forfeited or expired (usd per share)		57.06
Outstanding at September 30, 2015 (usd per share)		61.02	$ 54.18
Vested or expected to vest (usd per share)	[1]	60.97
Exercisable at September 30, 2015 (usd per share)		$ 55.01
Weighted Average Remaining Life (in years)
Outstanding at September 30, 2015		5 years 10 months 24 days
Vested or expected to vest (in years)	[1]	5 years 9 months 18 days
Exercisable at September 30, 2015		4 years 8 months 12 days
Aggregate Intrinsic Value (in millions)
Outstanding at September 30, 2015		$ 79
Vested or expected to vest	[1]	79
Exercisable at September 30, 2015		$ 69
Weighted-average fair value per share of options granted		$ 19.59	$ 18.60	$ 12.81
Intrinsic value of options exercised (in millions)	[2]	$ 48	$ 26	$ 43
Fair value of options vested in period		10	$ 10	$ 10
Unrecognized compensation costs on nonvested awards		$ 8
Unrecognized compensation costs on nonvested awards, weighted average period of recognition (in years)		10 months 24 days

[1] Represents outstanding options reduced by expected forfeitures

[2] Represents the amount by which the stock price exceeded the exercise price of the options on the date of the exercise

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Retirement Benefits (Funded Status and Net Liability) (Details) $ in Millions	12 Months Ended
	Sep. 30, 2015 USD ($)	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)
Defined Benefit Plan Disclosure
Retirement benefits liability	$ (1,466)	$ (1,096)
Defined Benefit Plan, Change in Fair Value of Plan Assets
Plan assets at beginning of period	3,203
Company contributions	69	75	$ 122
Plan assets at end of period	$ 2,921	3,203
Non-U.S. Defined Benefit Pension Plans Ratio	5.00%
Defined Benefit Pension Plans, Accumulated Benefit Obligation	$ 4,153	4,068
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Funded status of plans	(1,265)	(901)
Retirement benefits liability	(1,264)	(901)
Compensation and benefits liability	(11)	(11)
Other assets	10	11
Net liability	(1,265)	(901)
Defined Benefit Plan, Change in Benefit Obligation
PBO at beginning of period	4,086	3,660
Service cost	12	10	10
Interest cost	155	168	139
Discount rate and other assumption changes	315	228
Actuarial losses (gains)	(52)	0
Plan participant contributions	0	0
Benefits paid	(330)	(211)
ARINC acquisition	0	274
Settlements	0	(36)
Other	(19)	(7)
PBO at end of period	4,167	4,086	3,660
Defined Benefit Plan, Change in Fair Value of Plan Assets
Plan assets at beginning of period	3,185	2,779
Actual return on plan assets	(16)	304
Company contributions	69	75
Plan participant contributions	0	0
Benefits paid	(330)	(211)
ARINC acquisition	0	273
Settlements	0	(36)
Other	(6)	1
Plan assets at end of period	2,902	3,185	2,779
Benefits paid	$ (121)
Defined Benefit Plan, Assumptions Used Calculating Pension Liability, Adjusted Annual Mortality Improvement Rate	0.0075
Increase (Decrease) in Pension Plan Obligations	$ 310
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Funded status of plans	(202)	(195)
Retirement benefits liability	(202)	(195)
Compensation and benefits liability	0	0
Other assets	0	0
Net liability	(202)	(195)
Defined Benefit Plan, Change in Benefit Obligation
PBO at beginning of period	213	214
Service cost	3	3	4
Interest cost	7	9	8
Discount rate and other assumption changes	6	7
Actuarial losses (gains)	7	(13)
Plan participant contributions	3	3
Benefits paid	(18)	(18)
ARINC acquisition	0	8
Settlements	0	0
Other	0	0
PBO at end of period	221	213	214
Defined Benefit Plan, Change in Fair Value of Plan Assets
Plan assets at beginning of period	18	14
Actual return on plan assets	0	1
Company contributions	16	18
Plan participant contributions	3	3
Benefits paid	(18)	(18)
ARINC acquisition	0	0
Settlements	0	0
Other	0	0
Plan assets at end of period	$ 19	$ 18	$ 14

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Debt (Revolving Credit Facilities) (Details) - USD ($)	3 Months Ended
	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Dec. 23, 2013
Revolving Credit Facility [Line Items]
Debt Instrument, Fee Amount		$ 0	$ 0
Revolving Credit Facility [Member]
Revolving Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity				$ 1,000,000,000
Revolving credit facility terminated	$ 850,000,000
Maximum debt to total capitalization ratio per the debt covenants		60.00%
Debt to total capitalization ratio		38.00%
Line of Credit Facility, Amount Outstanding		$ 0	0
Debt Instrument, Issuance Date	Dec. 23, 2013
Short term Credit Facility [Member]
Revolving Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity				$ 200,000,000
Debt Instrument, Issuance Date	Dec. 23, 2013
Short term Credit Facility Non US Subs [Member]
Revolving Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity		39,000,000
Amount utilized to support commitments in the form of letters of credit		11,000,000
Line of Credit Facility, Amount Outstanding		$ 0	$ 0

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Derivative Financial Instruments

12 Months Ended

Sep. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Derivative Financial Instruments

Derivative Financial Instruments

Interest Rate Swaps

The Company manages its exposure to interest rate risk by maintaining an appropriate mix of fixed and variable rate debt, which over time should moderate the costs of debt financing. To meet this objective, the Company may use financial instruments in the form of interest rate swaps. In January 2010, the Company entered into two interest rate swap contracts which expire on July 15, 2019 and effectively converted $150 million of the 2019 Notes to floating rate debt based on six-month LIBOR plus 1.235 percent. In June 2015, the Company entered into two interest rate swap contracts which expire on July 15, 2019 and effectively converted the remaining $150 million of the 2019 Notes to floating rate debt based on three-month LIBOR plus 3.56 percent (collectively the 2019 Swaps).

In March 2014, the Company entered into three interest rate swap contracts (the 2023 Swaps) which expire on December 15, 2023 and effectively converted $200 million of the 2023 Notes to floating rate debt based on one-month LIBOR plus 0.94 percent.

The Company designated the 2019 and 2023 Swaps (the Swaps) as fair value hedges. The Swaps are recorded within Other Assets at a fair value of $34 million, offset by a fair value adjustment to Long-term Debt (Note 10) of $34 million at September 30, 2015. At September 30, 2014, the Swaps were recorded within Other Assets at a fair value of $18 million, offset by a fair value adjustment to Long-term Debt (Note 10) of $18 million. Cash payments or receipts between the Company and the counterparties to the Swaps are recorded as an adjustment to interest expense.

Forward Starting Interest Rate Swaps

In September 2013, the Company entered into forward starting interest rate swap agreements with combined notional values of $200 million to effectively lock in fixed interest rates on a portion of the long-term debt it incurred in December 2013 to refinance maturing debt and to fund the acquisition of ARINC. In October 2013, the Company entered into an additional $300 million notional value of forward starting interest rate swap agreements. These forward starting interest rate swaps were designated as cash flow hedges and were executed to hedge the risk of potentially higher benchmark U.S. Treasury bond yields on long-term debt with maturities ranging from 2023 to 2043 and fixed interest rates ranging between 2.8150 percent and 3.8775 percent. The forward starting interest rate swaps were terminated in December 2013 concurrent with the Company's debt issuance. Upon termination, the forward starting swaps were valued at a net loss of $2 million. This net loss has been deferred within Accumulated other comprehensive losses in the Consolidated Statement of Financial Position and will be amortized into interest expense over the life of the corresponding debt.

Foreign Currency Forward Exchange Contracts

The Company transacts business in various foreign currencies which subjects the Company’s cash flows and earnings to exposure related to changes in foreign currency exchange rates. These exposures arise primarily from purchases or sales of products and services from third parties and intercompany transactions. Foreign currency forward exchange contracts provide for the purchase or sale of foreign currencies at specified future dates at specified exchange rates and are used to offset changes in the fair value of certain assets or liabilities or forecasted cash flows resulting from transactions denominated in foreign currencies. As of September 30, 2015 and September 30, 2014, the Company had outstanding foreign currency forward exchange contracts with notional amounts of $359 million and $575 million, respectively. These notional values consist primarily of contracts for the European euro, British pound sterling and Japanese yen, and are stated in U.S. dollar equivalents at spot exchange rates at the respective dates.

Fair Value of Derivative Instruments

Fair values of derivative instruments in the Consolidated Statement of Financial Position as of September 30, 2015 and September 30, 2014 are as follows:

		Asset Derivatives
(in millions)	Classification	September 30, 2015		September 30, 2014
Foreign currency forward exchange contracts	Other current assets	$	7	$	6
Interest rate swaps	Other assets	34		18
Total		$	41	$	24

		Liability Derivatives
(in millions)	Classification	September 30, 2015		September 30, 2014
Foreign currency forward exchange contracts	Other current liabilities	$	11	$	9
Total		$	11	$	9

The fair values of derivative instruments are presented on a gross basis as the Company does not have any derivative contracts which are subject to master netting arrangements. As of September 30, 2015 there were no undesignated foreign currency forward exchange contracts classified within other current assets and $1 million classified within other current liabilities.

The effect of derivative instruments on the Consolidated Statement of Operations for the fiscal years ended September 30, 2015 and 2014 is as follows:

		Amount of Gain (Loss)
(in millions)	Location of Gain (Loss)	September 30, 2015			September 30, 2014
Derivatives Designated as Hedging Instruments:
Fair Value Hedges
Interest rate swaps	Interest expense	$	11		$	8
Cash Flow Hedges
Foreign currency forward exchange contracts:
Amount of gain (loss) recognized in AOCL (effective portion, before deferred tax impact)	AOCL	$	(10	)	$	—
Amount of gain (loss) reclassified from AOCL into income	Cost of sales	(6		)	(1		)
Forward starting interest rate swaps:
Amount of gain (loss) recognized in AOCL (effective portion, before deferred tax impact)	AOCL	—			3
Derivatives Not Designated as Hedging Instruments:
Foreign currency forward exchange contracts	Cost of sales	(8		)	(1		)

There was no significant impact to the Company’s earnings related to the ineffective portion of any hedging instruments during the fiscal year ended September 30, 2015. In addition, there was no significant impact to the Company’s earnings when a hedged firm commitment no longer qualified as a fair value hedge or when a hedged forecasted transaction no longer qualified as a cash flow hedge during the fiscal year ended September 30, 2015.

The Company did not have any hedges with credit-risk-related contingent features or that required the posting of collateral as of September 30, 2015. The cash flows from derivative contracts are recorded in operating activities in the Consolidated Statement of Cash Flows.

The Company expects to reclassify approximately $5 million of AOCL losses from cash flow hedges into earnings over the next 12 months. The maximum duration of a foreign currency cash flow hedge contract at September 30, 2015 was 58 months.

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Guarantees and Indemnifications (Tables)

12 Months Ended

Sep. 30, 2015

Guarantees and Indemnifications Abstract

Changes in Accrued Product Warranty Costs

Changes in the carrying amount of accrued product warranty costs are summarized as follows:

	September 30
(in millions)	2015			2014			2013
Balance at beginning of year	$	104		$	121		$	126
Warranty costs incurred	(46		)	(47		)	(46		)
Product warranty accrual	42			46			48
Changes in estimates for prior years	(10		)	(15		)	(7		)
Increase from acquisitions	1			—			—
Foreign currency translation adjustments and other	(2		)	(1		)	—
Balance at September 30	$	89		$	104		$	121

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Debt (Tables)

12 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Long-Term Debt Reconciliation to Carrying Amount

Long-term debt is summarized as follows:

(in millions)	September 30, 2015		September 30, 2014
Principal amount of 2043 Notes, net of discount	$	398	$	398
Principal amount of 2023 Notes, net of discount	399		399
Principal amount of 2021 Notes, net of discount	250		249
Principal amount of 2019 Notes, net of discount	299		299
Principal amount of 2016 Notes	300		300
Fair value swap adjustment (Notes 16 and 17)	34		18
Long-term debt, net	$	1,680	$	1,663

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Retirement Benefits (Pension Benefits and Other Retirement Benefits) (Details)	12 Months Ended
	Sep. 30, 2015 plan yr
Compensation and Retirement Disclosure [Abstract]
Defined Benefit Pension Plans Outside United States	5
Unfunded Defined Benefit Pension Plans Outside United States	2
Retirement age employees are eligible to receive other retirement benefits | yr	55
Years of Service required to receive other retirement benefits	10 years

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Income Taxes Change in Valuation Allowance for Deferred Tax Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Valuation Allowance, Amount	$ 43	$ 11	$ 19
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(1)	32	(8)
Valuation Allowance, Amount	$ 42	$ 43	$ 11

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Receivables, Net (Tables)

12 Months Ended

Sep. 30, 2015

Receivables [Abstract]

Schedule of Accounts Receivable

Receivables, net are summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Billed	$	752		$	758
Unbilled	403			485
Less progress payments	(110		)	(198		)
Total	1,045			1,045
Less allowance for doubtful accounts	(7		)	(12		)
Receivables, net	$	1,038		$	1,033

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Business Segment Information (Tables)

12 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Sales and Results of Continuing Operations of Operating Segments

The sales and earnings of continuing operations of the Company's operating segments are summarized as follows:

(in millions)	2015			2014			2013
Sales:
Commercial Systems	$	2,434		$	2,299		$	2,170
Government Systems	2,187			2,209			2,259
Information Management Services	623			471			45
Total sales	$	5,244		$	4,979		$	4,474
Segment operating earnings:
Commercial Systems	$	554		$	509		$	472
Government Systems	457			465			496
Information Management Services	95			62			5
Total segment operating earnings	1,106			1,036			973
Interest expense(1)	(61		)	(59		)	(28		)
Stock-based compensation	(24		)	(24		)	(20		)
General corporate, net	(59		)	(59		)	(58		)
Gain on divestiture of business	—			10			—
ARINC transaction costs(1)	—			(13		)	(2		)
Restructuring, pension settlement and asset impairment charges, net	—			(9		)	—
Income from continuing operations before income taxes	962			882			865
Income tax expense	(268		)	(264		)	(235		)
Income from continuing operations	$	694		$	618		$	630

⁽¹⁾ During the years ended September 30, 2014, and September 30, 2013, the Company incurred $3 million and $1 million, respectively, of bridge facility fees related to the acquisition of ARINC. These costs are included in interest expense; therefore total transaction costs related to the acquisition of ARINC during these periods were $16 million and $3 million, respectively.

Investments in Equity Affiliates, Depreciation and Amortization, Capital Expenditures, and Earnings from Equity Affiliates, by Segment

The following tables summarize the identifiable assets and investments in equity affiliates at September 30, 2015, 2014 and 2013, as well as the provision for depreciation and amortization, the amount of capital expenditures for property and earnings from equity affiliates for each of the three years ended September 30, for each of the operating segments and Corporate:

(in millions)	2015		2014		2013
Identifiable assets:
Commercial Systems	$	2,906	$	2,655	$	2,465
Government Systems	1,953		1,938		2,174
Information Management Services	1,886		1,885		—
Corporate	644		585		761
Total identifiable assets	$	7,389	$	7,063	$	5,400
Investments in equity affiliates:
Commercial Systems	$	7	$	—	$	—
Government Systems	6		8		22
Information Management Services	—		—		—
Total investments in equity affiliates	$	13	$	8	$	22
Depreciation and amortization:
Commercial Systems	$	117	$	108	$	92
Government Systems	83		80		81
Information Management Services	52		37		4
Total depreciation and amortization	$	252	$	225	$	177
Capital expenditures for property:
Commercial Systems	$	90	$	68	$	58
Government Systems	81		66		62
Information Management Services	39		29		—
Total capital expenditures for property	$	210	$	163	$	120
Earnings from equity affiliates:
Commercial Systems	$	—	$	—	$	—
Government Systems	3		7		13
Information Management Services	—		—		—
Total earnings from equity affiliates	$	3	$	7	$	13

Summary of Sales by Product Category

The following table summarizes sales by product category for the years ended September 30, 2015, 2014 and 2013:

(in millions)	2015		2014		2013
Commercial Systems product categories:
Air transport aviation electronics	$	1,385	$	1,285	$	1,181
Business and regional aviation electronics	1,049		1,014		989
Commercial Systems sales	2,434		2,299		2,170
Government Systems product categories:
Avionics	1,390		1,342		1,384
Communication products	401		455		450
Surface solutions	200		234		232
Navigation products	196		178		193
Government Systems sales	2,187		2,209		2,259
Information Management Services sales	623		471		45
Total sales	$	5,244	$	4,979	$	4,474

Schedule of Sales and Property by Geographic Region

The following table reflects sales for the years ended September 30, 2015, 2014 and 2013 by location of our customers and property at September 30, 2015, 2014 and 2013 by geographic region:

	Sales						Property
(in millions)	2015		2014		2013		2015		2014		2013
U.S.(1)	$	3,174	$	2,993	$	2,827	$	861	$	805	$	679
Europe	915		881		772		83		89		75
Asia-Pacific	503		486		371		15		19		14
Canada	369		349		322		1		1		1
Africa / Middle East	155		159		97		—		1		—
Latin America	128		111		85		4		4		4
International	2,070		1,986		1,647		103		114		94
Total	$	5,244	$	4,979	$	4,474	$	964	$	919	$	773

⁽¹⁾ For the years ended September 30, 2015, 2014 and 2013, U.S. sales include revenue from foreign military sales of $171 million, $176 million and $179 million, respectively.

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Goodwill and Intangible Assets (Expected annual amortization expense for intangible assets) (Details) $ in Millions	Sep. 30, 2015 USD ($)
Anticipated Future Amortization Expense [Abstract]
2015	$ 61
2016	58
2017	59
2018	59
2019	57
Thereafter	355
Up-front sales incentives [Member]
Anticipated Future Amortization Expense [Abstract]
2015	17
2016	18
2017	21
2018	25
2019	25
Thereafter	133
Intangible Assets Excluding Up Front Sales Incentives [Member]
Anticipated Future Amortization Expense [Abstract]
2015	44
2016	40
2017	38
2018	34
2019	32
Thereafter	$ 222

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Business Segment Information (Sales and Results of Operations of Operating Segments) (Details) - USD ($) $ in Millions	3 Months Ended								9 Months Ended	12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014		Sep. 30, 2013
Business Segment Information
Sales:	$ 1,384	$ 1,293	$ 1,341	$ 1,226	$ 1,402	$ 1,264	$ 1,259	$ 1,054		$ 5,244	$ 4,979		$ 4,474
Segment operating earnings:										1,106	1,036		973
Interest expense										(61)	(59)	[1]	(28)	[1]
Stock-based compensation										(24)	(24)		(20)
General corporate, net										(59)	(59)		(58)
Gain on divestiture of business										0	10		0
ARINC transaction costs										0	(13)	[1]	(2)	[1]
Restructuring, pension settlement and asset impairment charges, net										0	(9)		0
Income from continuing operations before income taxes										962	882		865
Income tax expense										(268)	(264)		(235)
Income from continuing operations	184	$ 178	$ 163	$ 169	173	$ 163	$ 148	134		694	618		630
Debt Instrument, Fee Amount	$ 0				0				$ 0	0	0
Commercial Systems [Member]
Business Segment Information
Sales:										2,434	2,299		2,170
Segment operating earnings:										554	509		472
Government Systems [Member]
Business Segment Information
Sales:										2,187	2,209		2,259
Segment operating earnings:										457	465		496
Information Management Services [Member]
Business Segment Information
Sales:										623	471		45
Segment operating earnings:										95	62		5
ARINC [Member]
Business Segment Information
Sales:									421	$ 576
ARINC transaction costs								$ (15)			(16)		(3)
Interest Expense [Member] | ARINC [Member] | Bridge Loan [Member]
Business Segment Information
Debt Instrument, Fee Amount					$ 3				$ 3		$ 3		$ 1

[1] During the years ended September 30, 2014, and September 30, 2013, the Company incurred $3 million and $1 million, respectively, of bridge facility fees related to the acquisition of ARINC. These costs are included in interest expense; therefore total transaction costs related to the acquisition of ARINC during these periods were $16 million and $3 million, respectively.

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Receivables, Net (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014
Receivables, Net
Billed	$ 752	$ 758
Unbilled	403	485
Less progress payments	(110)	(198)
Total	1,045	1,045
Less allowance for doubtful accounts	(7)	(12)
Receivables, net	1,038	1,033
Receivables due from equity affiliate	64
U.S. Government [Member]
Receivables, Net
Receivables, net	286	293
Unbilled receivables net of progress payments	$ 91	$ 122

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Income Taxes (Tables)

12 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Schedule Of Components Of Income Tax Expense

The components of income tax expense from continuing operations are as follows:

(in millions)	2015			2014			2013
Current:
U.S. federal	$	169		$	110		$	151
Non-U.S.	38			37			18
U.S. state and local	11			4			11
Total current	218			151			180
Deferred:
U.S. federal	49			105			53
Non-U.S.	(4		)	(2		)	(3		)
U.S. state and local	5			10			5
Total deferred	50			113			55
Income tax expense	$	268		$	264		$	235

Net current deferred income tax benefits (liabilities) consist of the tax effects of temporary differences related to the following:

	September 30
(in millions)	2015			2014
Inventory	$	(226	)	$	(191	)
Product warranty costs	29			32
Customer incentives	62			53
Contract reserves	11			14
Compensation and benefits	29			24
Valuation allowance	(8		)	(10		)
Other	28			30
Current deferred income taxes, net	$	(75	)	$	(48	)

Net long-term deferred income tax benefits (liabilities) consist of the tax effects of temporary differences related to the following:

	September 30
(in millions)	2015			2014
Retirement benefits	$	487		$	346
Intangibles	(177		)	(183		)
Capital lease liability	21			22
Property	(154		)	(151		)
Stock-based compensation	30			29
Deferred compensation	15			13
Capital loss carryover	42			43
Valuation allowance	(34		)	(33		)
Other	7			14
Long-term deferred income taxes, net	$	237		$	100

Current deferred income tax assets and liabilities and long-term deferred income tax assets and liabilities are included in the Consolidated Statement of Financial Position as follows:

	September 30
(in millions)	2015			2014
Current deferred income tax asset	$	9		$	9
Current deferred income tax liability	(84		)	(57		)
Current deferred income taxes, net	$	(75	)	$	(48	)
Long-term deferred income taxes	$	241		$	101
Other liabilities	(4		)	(1		)
Long-term deferred income taxes, net	$	237		$	100

Summary of Valuation Allowance

Changes in the valuation allowance for deferred tax assets are summarized as follows:

	September 30
(in millions)	2015			2014		2013
Balance at beginning of year	$	43		$	11	$	19
Charged to costs and expenses	—			32		—
Deductions	(1		)	—		(8		)
Balance at September 30	$	42		$	43	$	11

Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation

The effective income tax rate from continuing operations differed from the U.S. statutory tax rate as detailed below:

	2015		2014		2013
Statutory tax rate	35.0	%	35.0	%	35.0	%
Foreign rate differential	(1.0	)	(1.1	)	(1.2	)
State and local income taxes	1.2		1.3		1.3
Research and development credit	(3.2	)	(1.1	)	(5.1	)
Domestic manufacturing deduction	(2.0	)	(1.7	)	(2.0	)
Tax settlements	(1.6	)	(0.9	)	(0.1	)
Other	(0.5	)	(1.6	)	(0.7	)
Effective income tax rate	27.9	%	29.9	%	27.2	%

Components of Income Before Income Taxes

Income tax expense from continuing operations was calculated based on the following components of income before income taxes:

(in millions)	2015		2014		2013
U.S. income	$	835	$	754	$	755
Non-U.S. income	127		128		110
Total	$	962	$	882	$	865

Summary of Income Tax Contingencies

A reconciliation of the beginning and ending amount of unrecognized tax benefits for the years ended September 30 is as follows:

(in millions)	2015			2014			2013
Beginning balance	$	48		$	56		$	42
Additions for tax positions related to the current year	8			13			15
Additions for tax positions of prior years	6			1			3
Additions for tax positions related to acquisitions	—			8			—
Reductions for tax positions of prior years	(17		)	(17		)	(1		)
Reductions for tax positions of prior years related to lapse of statute of limitations	(1		)	(2		)	(2		)
Reductions for tax positions related to settlements with taxing authorities	(5		)	(11		)	(1		)
Ending balance	$	39		$	48		$	56

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Business Description and Basis of Presentation

12 Months Ended

Sep. 30, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Business Description and Basis of Presentation

Business Description and Basis of Presentation

Rockwell Collins, Inc. (the Company or Rockwell Collins) designs, produces and supports communications and aviation systems for commercial and military customers and provides information management services through voice and data communication networks and solutions worldwide.

The Company operates on a 52/53 week fiscal year ending on the Friday closest to September 30. Fiscal year 2014 was a 53-week year, while 2015 and 2013 were 52-week years. For ease of presentation, September 30 is utilized consistently throughout these financial statements and notes to represent the fiscal year end date. All date references contained herein relate to the Company's fiscal year unless otherwise stated.

As discussed in Note 4, Discontinued Operations and Divestitures, on March 10, 2015 the Company divested the Aerospace Systems Engineering and Support (ASES) business, which was acquired as part of the ARINC Incorporated (ARINC) transaction. On July 25, 2014 the Company divested its satellite communication systems business, formerly known as Datapath, Inc. (Datapath). As a result of the divestitures, the operating results of ASES and Datapath have been accounted for as discontinued operations for all periods presented. Unless otherwise noted, disclosures pertain to the Company's continuing operations.

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Subsequent Event (Details) - Scenario, Forecast [Member]	3 Months Ended
	Dec. 31, 2015 USD ($)
Minimum [Member]
Subsequent Event [Line Items]
Restructuring Charges	$ 35,000,000
Maximum [Member]
Subsequent Event [Line Items]
Restructuring Charges	$ 45,000,000

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Inventories, Net (Details) - USD ($) $ in Millions		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Inventories, Net
Finished goods		$ 216	$ 218
Work in process		250	262
Raw materials, parts and supplies		353	361
Less progress payments		(7)	(8)
Total		812	833
Pre-production engineering costs		1,012	876
Inventories, net		1,824	1,709
Pre-production engineering amortization expense		$ 47	36	$ 25
Capitalized pre-production engineering weighted average amortization period remaining		11 years
Anticipated Amortization Expense for Pre-production Engineering Costs [Abstract]
2016	[1]	$ 55
2017	[1]	81
2018	[1]	106
2019	[1]	128
2020	[1]	128
Thereafter	[1]	487
Noncurrent inventory		1,006	$ 904
Bombardier [Member]
Inventories, Net
Pre-production engineering costs		378
Airbus [Member]
Inventories, Net
Pre-production engineering costs		255
Boeing [Member]
Inventories, Net
Pre-production engineering costs		$ 173

[1] On October 29, 2015, Bombardier announced the cancellation of the Learjet 85 program. Pre-production engineering costs associated with the Learjet 85 program have been excluded from anticipated amortization expense, as these costs are expected to be recovered through consideration received from Bombardier pursuant to contractual guarantees and not amortized against future hardware deliveries.

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Retirement Benefits (Tables)

12 Months Ended

Sep. 30, 2015

Defined Benefit Plan Disclosure

Schedule of Defined Benefit Plans Components of Expense Income

The components of expense (income) for Pension Benefits and Other Retirement Benefits are summarized below:

	Pension Benefits									Other Retirement Benefits
(in millions)	2015			2014			2013			2015			2014			2013
Service cost	$	12		$	10		$	10		$	3		$	3		$	4
Interest cost	155			168			139			7			9			8
Expected return on plan assets	(242		)	(228		)	(203		)	(1		)	(1		)	(1		)
Amortization:
Prior service credit	(3		)	(12		)	(18		)	(5		)	(9		)	(8		)
Net actuarial loss	72			72			79			7			8			12
Net benefit expense (income)	$	(6	)	$	10		$	7		$	11		$	10		$	15

Reconciliation of pension benefit obligation, plan assets, funded status and net liability for Pension Benefits and Other Retirement Benefits

The following table reconciles the projected benefit obligations (PBO), plan assets, funded status and net liability for the Company's Pension Benefits and the Other Retirement Benefits.

	Pension Benefits						Other Retirement Benefits
(in millions)	2015			2014			2015			2014
PBO at beginning of period	$	4,086		$	3,660		$	213		$	214
Service cost	12			10			3			3
Interest cost	155			168			7			9
Discount rate and other assumption changes	315			228			6			7
Actuarial losses (gains)	(52		)	—			7			(13		)
Plan participant contributions	—			—			3			3
Benefits paid	(330		)	(211		)	(18		)	(18		)
ARINC acquisition	—			274			—			8
Settlements	—			(36		)	—			—
Other	(19		)	(7		)	—			—
PBO at end of period	4,167			4,086			221			213
Plan assets at beginning of period	3,185			2,779			18			14
Actual return on plan assets	(16		)	304			—			1
Company contributions	69			75			16			18
Plan participant contributions	—			—			3			3
Benefits paid	(330		)	(211		)	(18		)	(18		)
ARINC acquisition	—			273			—			—
Settlements	—			(36		)	—			—
Other	(6		)	1			—			—
Plan assets at end of period	2,902			3,185			19			18
Funded status of plans	$	(1,265	)	$	(901	)	$	(202	)	$	(195	)
Funded status consists of:
Retirement benefits liability	$	(1,264	)	$	(901	)	$	(202	)	$	(195	)
Compensation and benefits liability	(11		)	(11		)	—			—
Other assets	10			11			—			—
Net liability	$	(1,265	)	$	(901	)	$	(202	)	$	(195	)

Schedule Of Other Comprehensive Loss Related to Retirement Benefits

The following table summarizes the amounts included in Accumulated other comprehensive loss before tax related to retirement benefits as of September 30, 2015 and 2014 and changes recognized in Other comprehensive loss before tax for the years ended September 30, 2015 and 2014:

	Pension Benefits						Other Retirement Benefits
(in millions)	Prior Service Cost (Credit)			Net Actuarial Loss			Prior Service Cost (Credit)			Net Actuarial Loss
Balance at September 30, 2013	$	(6	)	$	1,958		$	(18	)	$	113
Current year net actuarial (gain)/loss	—			149			—			(6		)
Amortization of prior service cost	12			—			9			—
Amortization of actuarial loss	—			(72		)	—			(8		)
Balance at September 30, 2014	6			2,035			(9		)	99
Current year net actuarial loss	—			515			—			14
Amortization of prior service cost	3			—			5			—
Amortization of actuarial loss	—			(72		)	—			(7		)
Balance at September 30, 2015	$	9		$	2,478		$	(4	)	$	106

Schedule Of Amounts Amortized From Accumulated Other Comprehensive Loss In Next Fiscal Year

The estimated amounts that will be amortized from Accumulated other comprehensive loss into expense (income) for Pension Benefits and Other Retirement Benefits during the year ending September 30, 2016 are as follows:

(in millions)	Pension Benefits			Other Retirement Benefits			Total
Prior service cost	$	(1	)	$	(1	)	$	(2	)
Net actuarial loss	78			8			86
Total	$	77		$	7		$	84

Schedule Of Assumptions Used

The following table presents the significant assumptions used in determining the benefit obligations:

	Pension Benefits								Other Retirement Benefits
	U.S.				Non-U.S.				U.S.
	2015		2014		2015		2014		2015		2014
Discount rate	3.96	%	3.96	%	2.94	%	3.15	%	3.73	%	3.70	%
Compensation increase rate	4.00	%	4.00	%	3.04	%	3.48	%	4.00	%	4.00	%

Significant assumptions used in determining the net benefit expense (income) are as follows:

	Pension Benefits								Other Retirement Benefits
	U.S.				Non-U.S.				U.S.
	2015		2014		2015		2014		2015		2014
Discount rate	3.96	%	4.51	%	3.15	%	3.93	%	3.70	%	4.14	%
Expected long-term return on plan assets	8.23	%	8.23	%	6.70	%	8.17	%	8.25	%	8.25	%
Compensation increase rate	4.00	%	4.00	%	3.48	%	3.45	%	4.00	%	4.00	%
Health care cost gross trend rate (1)	—		—		—		—		7.48	%	7.97	%
Ultimate trend rate (1)	—		—		—		—		4.98	%	4.98	%
Year that trend reaches ultimate rate (1)	—		—		—		—		2019		2019

⁽¹⁾ Due to the effect of the fixed Company contribution, increasing or decreasing the health care cost trend rate by one percentage point would not have a significant impact on the Company's cost of providing Other Retirement Benefits.

Schedule Of Target And Actual Asset Allocations

Target and actual asset allocations as of September 30, 2015 and 2014 are as follows:

	Target Mix			2015		2014
Equities	40%	-	70%	54	%	55	%
Fixed income	25%	-	60%	44	%	42	%
Alternative investments	0%	-	15%	0	%	0	%
Cash	0%	-	5%	2	%	3	%

Schedule Of Company Contributions To Pension Plans

For the years ended September 30, 2015 and 2014, the Company made contributions to its pension plans as follows:

(in millions)	2015		2014
Contributions to U.S. qualified plan	$	55	$	55
Contributions to U.S. non-qualified plan	9		14
Contributions to non-U.S. plans	5		6
Total	$	69	$	75

Schedule Of Estimated Benefit Payments

The following table reflects estimated benefit payments to be made to eligible participants for each of the next five years and the following five years in the aggregate:

(in millions)	Pension Benefits		Other Retirement Benefits
2016	$	224	$	15
2017	227		15
2018	232		17
2019	238		17
2020	242		17
2021 - 2025	1,248		78

Schedule Of Defined Contribution Savings Plan Expense

The Company's expense related to the defined contribution savings plans for 2015, 2014 and 2013 was as follows:

	2015			2014			2013
(in millions)	Shares	Expense		Shares	Expense		Shares	Expense
Contribution in shares:
Defined contribution savings plans	0.4	$	39	0.5	$	40	0.7	$	43
Contribution in cash:
Retirement contributions		47			50			42
Total		$	86		$	90		$	85

Pension Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure

Schedule of Fair Value of Plan Assets, by Level Within Fair Value Hierarchy

The following table presents the fair value of the Company's pension plans' assets as of September 30, 2015 and 2014, by asset category segregated by level within the fair value hierarchy, as described in Note 16:

	September 30, 2015								September 30, 2014
Asset category (in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Equity securities:
U.S. equity	$	533	$	362	$	—	$	895	$	670	$	359	$	—	$	1,029
Non-U.S. equity	575		93		—		668		630		97		—		727
Fixed income securities:
Corporate	—		1,088		—		1,088		—		1,103		—		1,103
U.S. government	65		83		—		148		52		91		—		143
Emerging market	—		—		—		—		—		50		—		50
Mortgage and asset-backed	—		2		—		2		—		3		—		3
Other	—		40		3		43		—		42		3		45
Cash and cash equivalents	—		55		—		55		—		81		—		81
Sub-total	1,173		1,723		3		2,899		1,352		1,826		3		3,181
Net receivables related to investment transactions							3								4
Total							$	2,902							$	3,185

Other Postretirement Benefit Plans, Defined Benefit [Member]

Defined Benefit Plan Disclosure

Schedule of Fair Value of Plan Assets, by Level Within Fair Value Hierarchy

The following table presents the fair value of the Company's other retirement benefits plan's assets as of September 30, 2015 and 2014, by asset category segregated by level within the fair value hierarchy, as described in Note 16:

	September 30, 2015								September 30, 2014
Asset category (in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Equity securities:
U.S. equity	$	7	$	—	$	—	$	7	$	7	$	—	$	—	$	7
Fixed income securities:
Corporate	—		2		—		2		—		2		—		2
U.S. government	2		1		—		3		2		1		—		3
Mortgage and asset-backed	—		1		—		1		—		1		—		1
Cash and cash equivalents	—		6		—		6		—		5		—		5
Total	$	9	$	10	$	—	$	19	$	9	$	9	$	—	$	18

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Legal Matters

12 Months Ended

Sep. 30, 2015

Legal Matters Abstract

Legal Matters

Legal Matters

The Company is subject to various lawsuits, claims and proceedings that have been or may be instituted or asserted against the Company relating to the conduct of the Company's business, including those pertaining to product liability, antitrust, intellectual property, safety and health, exporting and importing, contract, employment and regulatory matters. Although the outcome of these matters cannot be predicted with certainty and some lawsuits, claims or proceedings may be disposed of unfavorably to the Company, management believes there are no material pending legal proceedings.

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Environmental Matters

12 Months Ended

Sep. 30, 2015

Environmental Remediation Obligations [Abstract]

Environmental Matters

Environmental Matters

The Company is subject to federal, state and local regulations relating to the discharge of substances into the environment, the disposal of hazardous wastes and other activities affecting the environment that have had and will continue to have an impact on the Company’s manufacturing operations. These environmental protection regulations may require the investigation and remediation of environmental impairments at current and previously owned or leased properties. In addition, lawsuits, claims and proceedings have been asserted on occasion against the Company alleging violations of environmental protection regulations, or seeking remediation of alleged environmental impairments, principally at previously owned or leased properties. As of September 30, 2015, the Company is involved in the investigation or remediation of eight sites under these regulations or pursuant to lawsuits asserted by third parties. Management estimates that the total reasonably possible future costs the Company could incur for seven of these sites is not significant. Management estimates that the total reasonably possible future costs the Company could incur from one of these sites to be approximately $12 million. The Company has recorded environmental reserves for this site of $6 million as of September 30, 2015, which represents management’s best estimate of the probable future cost for this site.

To date, compliance with environmental regulations and resolution of environmental claims has been accomplished without material effect on the Company’s liquidity and capital resources, competitive position or financial condition. Management believes that expenditures for environmental capital investment and remediation necessary to comply with present regulations governing environmental protection and other expenditures for the resolution of environmental claims will not have a material effect on the Company’s business or financial position.

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Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Jun. 30, 2015	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns
Beginning balance		$ 48	$ 56	$ 42
Additions for tax positions related to the current year		8	13	15
Additions for tax positions of prior years	$ 14	6	1	3
Additions for tax positions related to acquisitions		0	8	0
Reductions for tax positions of prior years		(17)	(17)	(1)
Reductions for tax positions of prior years related to lapse of statute of limitations		(1)	(2)	(2)
Reductions for tax positions related to settlements with taxing authorities		(5)	(11)	(1)
Ending balance		$ 39	$ 48	$ 56

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Acquisitions (Details) - USD ($) $ in Millions					1 Months Ended		3 Months Ended								9 Months Ended	12 Months Ended
		Aug. 06, 2015	Mar. 20, 2015	Dec. 23, 2013	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014		Sep. 30, 2013
Acquisitions
Payments to acquire businesses, net of cash acquired																$ 74	$ 1,405		$ 0
Goodwill							$ 1,904				$ 1,863				$ 1,863	1,904	1,863		779
Intangible Assets							703				688				688	703	688
Sales:							1,384	$ 1,293	$ 1,341	$ 1,226	1,402	$ 1,264	$ 1,259	$ 1,054		5,244	4,979		4,474
Net income							184	$ 178	$ 157	$ 167	167	$ 158	$ 148	131		686	604		632
ARINC transaction costs																0	13	[1]	2	[1]
Debt Instrument, Fee Amount							$ 0				0				0	0	0
ARINC [Member]
Acquisitions
Voting interests acquired (percent)				100.00%
Payments to acquire businesses, net of cash acquired				$ 1,405
Goodwill				1,087
Intangible Assets				$ 431
Weighted average useful life				15 years
Goodwill, expected tax deductible amount				$ 0
Cash received for post-closing matters					$ 10
Payable to ARINC option holders	[2]			61
Restricted Cash	[2]			61
Sales:															421	576
Net income															31	$ 63
Building held for sale	[3]			81
Liabilities for Real Estate Held-for-sale	[3]			$ 81
Proceeds from Sale of Property Held-for-sale						$ 81
ARINC transaction costs														$ 15			16		3
Pacific Avionics [Member]
Acquisitions
Voting interests acquired (percent)			100.00%
Payments to acquire businesses, net of cash acquired			$ 24
Goodwill			15
Intangible Assets			10
Goodwill, expected tax deductible amount			$ 0
ICG [Member]
Acquisitions
Voting interests acquired (percent)		100.00%
Payments to acquire businesses, net of cash acquired		$ 50
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High		14
Business Combination, Contingent Consideration, Liability, Noncurrent		12
Goodwill		38
Intangible Assets		24
Goodwill, expected tax deductible amount		$ 38
Selling, General and Administrative Expenses [Member] | ARINC [Member]
Acquisitions
ARINC transaction costs																	13
Interest Expense [Member] | Bridge Loan [Member] | ARINC [Member]
Acquisitions
Debt Instrument, Fee Amount											$ 3				$ 3		$ 3		$ 1

[1] During the years ended September 30, 2014, and September 30, 2013, the Company incurred $3 million and $1 million, respectively, of bridge facility fees related to the acquisition of ARINC. These costs are included in interest expense; therefore total transaction costs related to the acquisition of ARINC during these periods were $16 million and $3 million, respectively.

[2] Option-holders of ARINC were due approximately $61 million at the transaction closing date. This payment did not clear until December 24, 2013. Therefore the opening balance sheet, which was prepared as of December 23, 2013, includes restricted cash of $61 million and a current liability payable to the ARINC option holders for an equal amount.

[3] On March 28, 2014, the Company sold the building which was classified as held for sale at the acquisition date. For more information related to the Building held for sale, see discussion below.

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Shareowners' Equity (Tables)

12 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Schedule of Treasury Stock

The Company repurchased shares of its common stock as follows:

(in millions)	2015		2014		2013
Amount of share repurchases	$	325	$	206	$	569
Number of shares repurchased	3.8		2.7		9.8

Schedule Of Accumulated Other Comprehensive Income Loss

Accumulated other comprehensive loss (AOCL) consists of the following:

	September 30
(in millions)	2015			2014			2013
Unamortized pension and other retirement benefits (net of taxes of $952 for 2015, $783 for 2014 and $754 for 2013)	$	(1,637	)	$	(1,348	)	$	(1,293	)
Foreign currency translation adjustment	(56		)	(15		)	12
Foreign currency cash flow hedge adjustment	(6		)	(3		)	(6		)
Accumulated other comprehensive loss	$	(1,699	)	$	(1,366	)	$	(1,287	)

Reclassification out of Accumulated Other Comprehensive Income

Changes in accumulated other comprehensive loss (AOCL), net of tax, by component are as follows:

	Foreign Exchange Translation Adjustment			Pension and Other Postretirement Adjustments (1)			Change in the Fair Value of Effective Cash Flow Hedges			Total
Balance at September 30, 2014	$	(15	)	$	(1,348	)	$	(3	)	$	(1,366	)
Other comprehensive income before reclassifications	(41		)	(334		)	(7		)	(382		)
Amounts reclassified from accumulated other comprehensive income	—			45			4			49
Net current period other comprehensive income	(41		)	(289		)	(3		)	(333		)
Balance at September 30, 2015	$	(56	)	$	(1,637	)	$	(6	)	$	(1,699	)

⁽¹⁾ Reclassifications from AOCL to net income related to the amortization of net actuarial losses and prior service credits for the Company's retirement benefit plans and were $71 million ($45 million net of tax), for 2015. The reclassifications are included in the computation of net benefit expense. See Note 11, Retirement Benefits for additional details.

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Restructuring, Pension Settlement and Asset Impairment Charges, Net

12 Months Ended

Sep. 30, 2015

Restructuring Costs and Asset Impairment Charges [Abstract]

Restructuring, Pension Settlement, and Asset Impairment Charges, Net

Restructuring, Pension Settlement and Asset Impairment Charges, Net

In 2014, the Company recorded pension settlement and restructuring charges totaling $9 million. This amount was comprised of (i) $5 million for pension settlement charges (included within Selling, general and administrative expense) and (ii) $4 million for employee severance costs related to the consolidation and closure of two service centers as part of a plan to optimize the efficiency of the Company's global service center footprint. These severance costs were included within cost of sales. Through September 30, 2015, the Company has completed all cash payments associated with these actions.

In 2012, the Company recorded restructuring and asset impairment charges, net totaling $58 million. Included in this charge was $35 million related to employee severance costs, primarily resulting from decisions to realign the Company's European organizational structure to better position the business for long-term growth and to adjust the size of the workforce in anticipation of the sequestration impacts on the U.S. defense budgets. Through September 30, 2015, the Company has made cash severance payments of approximately $32 million related to the 2012 restructuring action. As of September 30, 2015, $3 million of employee separation costs related to the 2012 restructuring action remain to be paid in future periods.

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Business Segment Information

12 Months Ended

Sep. 30, 2015

Segment Reporting [Abstract]

Business Segment Information

Business Segment Information

Rockwell Collins designs, produces and supports communications and aviation systems for commercial and military customers and provides information management services through voice and data communication networks and solutions worldwide. The Company has three operating segments consisting of the Commercial Systems, Government Systems and Information Management Services businesses.

Commercial Systems supplies aviation electronics systems, products and services to customers located throughout the world. The customer base is comprised of OEMs of commercial air transport, business and regional aircraft, commercial airlines and business aircraft operators.

Government Systems provides avionics, communication products, surface solutions and navigation products to the U.S. Department of Defense, other government agencies, civil agencies, defense contractors and foreign ministries of defense around the world.

Information Management Services enables mission-critical data and voice communications throughout the world to customers using high-performance, high-quality and high-assurance proprietary radio and terrestrial networks, enhancing customer efficiency, safety and connectivity.

Sales made by the Company to the U.S. Government were 29 percent, 30 percent and 37 percent of total sales for the years ended September 30, 2015, 2014 and 2013, respectively.

The Company evaluates performance and allocates resources based upon, among other considerations, segment operating earnings. The Company's definition of segment operating earnings excludes income taxes, stock-based compensation, unallocated general corporate expenses, interest expense, significant gains and losses from the disposition of businesses and other special items as identified by management from time to time, such as significant restructuring and asset impairment charges. Intersegment sales are not material and have been eliminated. The accounting policies used in preparing the segment information are consistent with the policies described in Note 2.

The sales and earnings of continuing operations of the Company's operating segments are summarized as follows:

(in millions)	2015			2014			2013
Sales:
Commercial Systems	$	2,434		$	2,299		$	2,170
Government Systems	2,187			2,209			2,259
Information Management Services	623			471			45
Total sales	$	5,244		$	4,979		$	4,474
Segment operating earnings:
Commercial Systems	$	554		$	509		$	472
Government Systems	457			465			496
Information Management Services	95			62			5
Total segment operating earnings	1,106			1,036			973
Interest expense(1)	(61		)	(59		)	(28		)
Stock-based compensation	(24		)	(24		)	(20		)
General corporate, net	(59		)	(59		)	(58		)
Gain on divestiture of business	—			10			—
ARINC transaction costs(1)	—			(13		)	(2		)
Restructuring, pension settlement and asset impairment charges, net	—			(9		)	—
Income from continuing operations before income taxes	962			882			865
Income tax expense	(268		)	(264		)	(235		)
Income from continuing operations	$	694		$	618		$	630

⁽¹⁾ During the years ended September 30, 2014, and September 30, 2013, the Company incurred $3 million and $1 million, respectively, of bridge facility fees related to the acquisition of ARINC. These costs are included in interest expense; therefore total transaction costs related to the acquisition of ARINC during these periods were $16 million and $3 million, respectively.

The following tables summarize the identifiable assets and investments in equity affiliates at September 30, 2015, 2014 and 2013, as well as the provision for depreciation and amortization, the amount of capital expenditures for property and earnings from equity affiliates for each of the three years ended September 30, for each of the operating segments and Corporate:

(in millions)	2015		2014		2013
Identifiable assets:
Commercial Systems	$	2,906	$	2,655	$	2,465
Government Systems	1,953		1,938		2,174
Information Management Services	1,886		1,885		—
Corporate	644		585		761
Total identifiable assets	$	7,389	$	7,063	$	5,400
Investments in equity affiliates:
Commercial Systems	$	7	$	—	$	—
Government Systems	6		8		22
Information Management Services	—		—		—
Total investments in equity affiliates	$	13	$	8	$	22
Depreciation and amortization:
Commercial Systems	$	117	$	108	$	92
Government Systems	83		80		81
Information Management Services	52		37		4
Total depreciation and amortization	$	252	$	225	$	177
Capital expenditures for property:
Commercial Systems	$	90	$	68	$	58
Government Systems	81		66		62
Information Management Services	39		29		—
Total capital expenditures for property	$	210	$	163	$	120
Earnings from equity affiliates:
Commercial Systems	$	—	$	—	$	—
Government Systems	3		7		13
Information Management Services	—		—		—
Total earnings from equity affiliates	$	3	$	7	$	13

The Company's operating segments share many common resources, infrastructures and assets in the normal course of business. Certain assets have been allocated between the operating segments primarily based on occupancy or usage, principally property, plant and equipment. Identifiable assets at Corporate consist principally of cash and net deferred income tax assets for all years presented.

The following table summarizes sales by product category for the years ended September 30, 2015, 2014 and 2013:

(in millions)	2015		2014		2013
Commercial Systems product categories:
Air transport aviation electronics	$	1,385	$	1,285	$	1,181
Business and regional aviation electronics	1,049		1,014		989
Commercial Systems sales	2,434		2,299		2,170
Government Systems product categories:
Avionics	1,390		1,342		1,384
Communication products	401		455		450
Surface solutions	200		234		232
Navigation products	196		178		193
Government Systems sales	2,187		2,209		2,259
Information Management Services sales	623		471		45
Total sales	$	5,244	$	4,979	$	4,474

The air transport and business and regional aviation electronics sales categories are delineated based on the difference in underlying customer base, size of aircraft and markets served. For the years ended September 30, 2015, 2014 and 2013, product category sales for air transport aviation electronics include revenue from wide-body in-flight entertainment products and services of $57 million, $70 million and $83 million, respectively.

Product category sales for Government Systems are delineated based upon differences in the underlying product technologies and markets served. Prior period results of the communication products category in Government

Systems have been revised to exclude the divested Datapath business, which is now reported as a discontinued operation, as discussed in Note 4, Discontinued Operations and Divestitures.

The following table reflects sales for the years ended September 30, 2015, 2014 and 2013 by location of our customers and property at September 30, 2015, 2014 and 2013 by geographic region:

	Sales						Property
(in millions)	2015		2014		2013		2015		2014		2013
U.S.(1)	$	3,174	$	2,993	$	2,827	$	861	$	805	$	679
Europe	915		881		772		83		89		75
Asia-Pacific	503		486		371		15		19		14
Canada	369		349		322		1		1		1
Africa / Middle East	155		159		97		—		1		—
Latin America	128		111		85		4		4		4
International	2,070		1,986		1,647		103		114		94
Total	$	5,244	$	4,979	$	4,474	$	964	$	919	$	773

⁽¹⁾ For the years ended September 30, 2015, 2014 and 2013, U.S. sales include revenue from foreign military sales of $171 million, $176 million and $179 million, respectively.

Sales are attributable to geographic region based on the location of our customers.

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Consolidated Statement of Equity Statement - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Loss [Member]	Common Stock in Treasury [Member]	Total Shareowners' Equity [Member]	Noncontrolling Interest [Member]
Beginning balance at Sep. 30, 2012			$ 1,460	$ 3,708	$ (1,607)	$ (2,304)
Increase (Decrease) in Equity
Tax benefit from stock-based compensation			11
Shares issued under stock option and benefit plans			(22)
Stock-based compensation			20
Net income	$ 632			632
Cash dividends	(164)			(164)
Shares issued under stock option and benefit plans				(13)
Pension and other retirement benefit adjustment					326
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax	(326)
Currency translation gain (loss)	2				2
Unrealized gain (loss) from foreign currency cash flow hedges	(8)				(8)
Share repurchases	(569)					(569)
Shares issued from treasury						144
Ending balance at Sep. 30, 2013	1,623	$ 2	1,469	4,163	(1,287)	(2,729)
Increase (Decrease) in Equity
Total Shareowners' Equity							$ 1,618
Noncontrolling Interest
Beginning and ending balance								$ 5
Tax benefit from stock-based compensation			3
Shares issued under stock option and benefit plans			(7)
Stock-based compensation			24
Net income	604			604
Cash dividends	(162)			(162)
Shares issued under stock option and benefit plans				0
Pension and other retirement benefit adjustment					(55)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax	55
Currency translation gain (loss)	(27)				(27)
Unrealized gain (loss) from foreign currency cash flow hedges	3				3
Share repurchases	(206)					(206)
Shares issued from treasury						89
Ending balance at Sep. 30, 2014	1,889	2	1,489	4,605	(1,366)	(2,846)
Increase (Decrease) in Equity
Total Shareowners' Equity	1,884						1,884
Noncontrolling Interest
Beginning and ending balance	5							5
Tax benefit from stock-based compensation			12
Shares issued under stock option and benefit plans			(6)
Stock-based compensation			24
Net income	686			686
Cash dividends	(167)			(167)
Shares issued under stock option and benefit plans				0
Pension and other retirement benefit adjustment					(289)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax	289
Currency translation gain (loss)	(41)				(41)
Unrealized gain (loss) from foreign currency cash flow hedges	(3)				(3)
Share repurchases	(325)					(325)
Shares issued from treasury						100
Ending balance at Sep. 30, 2015	1,880	$ 2	$ 1,519	$ 5,124	$ (1,699)	$ (3,071)
Increase (Decrease) in Equity
Total Shareowners' Equity	1,875						$ 1,875
Noncontrolling Interest
Beginning and ending balance	$ 5							$ 5

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Quarterly Financial Information (Unaudited)

12 Months Ended

Sep. 30, 2015

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information (Unaudited)

Quarterly Financial Information (Unaudited)

Quarterly financial information for the years ended September 30, 2015 and 2014 is summarized as follows:

	2015 Quarters
(in millions, except per share amounts)	First			Second			Third		Fourth		Total
Sales	$	1,226		$	1,341		$	1,293	$	1,384	$	5,244
Gross profit (total sales less product and service cost of sales)	369			404			405		436		1,614
Income from continuing operations	169			163			178		184		694
Income (loss) from discontinued operations, net of taxes	(2		)	(6		)	—		—		(8		)
Net income	$	167		$	157		$	178	$	184	$	686
Earnings (loss) per share:
Basic
Continuing operations	$	1.28		$	1.23		$	1.35	$	1.40	$	5.25
Discontinued operations	(0.02		)	(0.04		)	—		—		(0.06		)
Basic earnings per share	$	1.26		$	1.19		$	1.35	$	1.40	$	5.19
Diluted
Continuing operations	$	1.26		$	1.22		$	1.33	$	1.38	$	5.19
Discontinued operations	(0.02		)	(0.05		)	—		—		(0.06		)
Diluted earnings per share	$	1.24		$	1.17		$	1.33	$	1.38	$	5.13

Net income in the first quarter of 2015 includes a $22 million income tax benefit from the retroactive reinstatement of the Federal R&D Tax Credit.

Net income in the third quarter of 2015 includes a $14 million income tax benefit related to the remeasurement of certain prior year tax positions.

	2014 Quarters
(in millions, except per share amounts)	First			Second		Third			Fourth			Total
Sales	$	1,054		$	1,259	$	1,264		$	1,402		$	4,979
Gross profit (total sales less product and service cost of sales)	317			378		387			428			1,510
Income from continuing operations	134			148		163			173			618
Income (loss) from discontinued operations, net of taxes	(3		)	—		(5		)	(6		)	(14		)
Net income	$	131		$	148	$	158		$	167		$	604
Earnings (loss) per share:
Basic
Continuing operations	$	0.99		$	1.09	$	1.21		$	1.28		$	4.57
Discontinued operations	(0.02		)	—		(0.04		)	(0.04		)	(0.10		)
Basic earnings per share	$	0.97		$	1.09	$	1.17		$	1.24		$	4.47
Diluted
Continuing operations	$	0.98		$	1.08	$	1.19		$	1.27		$	4.52
Discontinued operations	(0.02		)	—		(0.04		)	(0.04		)	(0.10		)
Diluted earnings per share	$	0.96		$	1.08	$	1.15		$	1.23		$	4.42

Net income in the first quarter of 2014 includes $11 million of transaction costs related to the acquisition of ARINC ($15 million before income taxes), mostly offset by a $9 million gain realized on the sale of KOSI ($10 million before income taxes).

Net income in the fourth quarter of 2014 includes $6 million of pension settlement and restructuring charges ($9 million before income taxes).

Earnings per share amounts are computed independently each quarter. As a result, the sum of each quarter's per share amount may not equal the total per share amount for the respective year.

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Retirement Benefits (Defined Contribution Savings Plans and Employee Stock Purchase Plan) (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Plan Disclosure
Shares Authorized To Issue Under Defined Contribution Savings Plans	16.5
Authorized Shares Available For Future Contribution Under Defined Contribution Savings Plans	1.9
Defined Contribution Savings Plans Contributions In Shares	0.4	0.5	0.7
Defined Contribution Savings Plans Value Of Shares Contributed	$ 39	$ 40	$ 43
Defined Contribution Savings Plans Cash Retirement Contribution	47	50	42
Defined Contribution Savings Plan Expense	$ 86	$ 90	$ 85
Percent of fair market value employees can purchase common stock under Employee Stock Purchase Plan	95.00%
Employee Stock Purchase Plan Shares Available For Future Grant	2.6
Stock Issued During Period, Shares, Employee Stock Purchase Plans	0.1	0.1	0.2
Stock Issued During Period, Value, Employee Stock Purchase Plan	$ 11	$ 10	$ 10
ARINC [Member]
Defined Benefit Plan Disclosure
Defined Contribution Savings Plans Cash Retirement Contribution	$ 4

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Business Segment Information (Sales and Property by Geographic Region) (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
		Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Revenues from External Customers and Property
Sales:		$ 1,384	$ 1,293	$ 1,341	$ 1,226	$ 1,402	$ 1,264	$ 1,259	$ 1,054	$ 5,244	$ 4,979	$ 4,474
Property		964				919				964	919	773
U.S. [Member]
Revenues from External Customers and Property
Sales:	[1]									3,174	2,993	2,827
Property		861				805				861	805	679
Europe [Member]
Revenues from External Customers and Property
Sales:										915	881	772
Property		83				89				83	89	75
Asia Pacific [Member]
Revenues from External Customers and Property
Sales:										503	486	371
Property		15				19				15	19	14
Canada [Member]
Revenues from External Customers and Property
Sales:										369	349	322
Property		1				1				1	1	1
Africa / Middle East [Member]
Revenues from External Customers and Property
Sales:										155	159	97
Property		0				1				0	1	0
Latin America [Member]
Revenues from External Customers and Property
Sales:										128	111	85
Property		4				4				4	4	4
International [Member]
Revenues from External Customers and Property
Sales:										2,070	1,986	1,647
Property		$ 103				$ 114				103	114	94
Foreign Military [Member]
Revenues from External Customers and Property
Sales:										$ 171	$ 176	$ 179

[1] For the years ended September 30, 2015, 2014 and 2013, U.S. sales include revenue from foreign military sales of $171 million, $176 million and $179 million, respectively.

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Goodwill and Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

Changes in the carrying amount of goodwill are summarized as follows:

(in millions)	Government Systems			Commercial Systems			Information Management Services			Total
Balance at September 30, 2013	$	513		$	266		$	—		$	779
ARINC acquisition	—			—			1,089			1,089
Reclassification from Commercial Systems to Information Management Services	—			(4		)	4			—
Disposition of Datapath	(1		)	—			—			(1		)
Foreign currency translation adjustments and other	(4		)	—			—			(4		)
Balance at September 30, 2014	508			262			1,093			1,863
ICG acquisition	—			38			—			38
Pacific Avionics acquisition	—			15			—			15
ARINC acquisition adjustment	—			—			(3		)	(3		)
Foreign currency translation adjustments and other	(8		)	(1		)	—			(9		)
Balance at September 30, 2015	$	500		$	314		$	1,090		$	1,904

Summary of Intangible Assets

Intangible assets are summarized as follows:

	September 30, 2015							September 30, 2014
(in millions)	Gross		Accum Amort			Net		Gross		Accum Amort			Net
Intangible assets with finite lives:
Developed technology and patents	$	346	$	(195	)	$	151	$	322	$	(178	)	$	144
Backlog	5		(2		)	3		5		(1		)	4
Customer relationships:
Acquired	338		(87		)	251		336		(67		)	269
Up-front sales incentives	301		(62		)	239		266		(47		)	219
License agreements	13		(9		)	4		13		(9		)	4
Trademarks and tradenames	15		(14		)	1		15		(14		)	1
Intangible assets with indefinite lives:
Trademarks and tradenames	47		—			47		47		—			47
In process research and development	7		—			7		—		—			—
Intangible assets	$	1,072	$	(369	)	$	703	$	1,004	$	(316	)	$	688

Schedule of Intangible Asset Expected Amortization Expense

(in millions)	2016		2017		2018		2019		2020		Thereafter
Anticipated amortization expense for up-front sales incentives	$	17	$	18	$	21	$	25	$	25	$	133
Anticipated amortization expense for all other intangible assets	44		40		38		34		32		222
Total	$	61	$	58	$	59	$	59	$	57	$	355

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Quarterly Financial information (Unaudited) (Tables)

12 Months Ended

Sep. 30, 2015

Sep. 30, 2014

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information

Quarterly financial information for the years ended September 30, 2015 and 2014 is summarized as follows:

	2015 Quarters
(in millions, except per share amounts)	First			Second			Third		Fourth		Total
Sales	$	1,226		$	1,341		$	1,293	$	1,384	$	5,244
Gross profit (total sales less product and service cost of sales)	369			404			405		436		1,614
Income from continuing operations	169			163			178		184		694
Income (loss) from discontinued operations, net of taxes	(2		)	(6		)	—		—		(8		)
Net income	$	167		$	157		$	178	$	184	$	686
Earnings (loss) per share:
Basic
Continuing operations	$	1.28		$	1.23		$	1.35	$	1.40	$	5.25
Discontinued operations	(0.02		)	(0.04		)	—		—		(0.06		)
Basic earnings per share	$	1.26		$	1.19		$	1.35	$	1.40	$	5.19
Diluted
Continuing operations	$	1.26		$	1.22		$	1.33	$	1.38	$	5.19
Discontinued operations	(0.02		)	(0.05		)	—		—		(0.06		)
Diluted earnings per share	$	1.24		$	1.17		$	1.33	$	1.38	$	5.13

	2014 Quarters
(in millions, except per share amounts)	First			Second		Third			Fourth			Total
Sales	$	1,054		$	1,259	$	1,264		$	1,402		$	4,979
Gross profit (total sales less product and service cost of sales)	317			378		387			428			1,510
Income from continuing operations	134			148		163			173			618
Income (loss) from discontinued operations, net of taxes	(3		)	—		(5		)	(6		)	(14		)
Net income	$	131		$	148	$	158		$	167		$	604
Earnings (loss) per share:
Basic
Continuing operations	$	0.99		$	1.09	$	1.21		$	1.28		$	4.57
Discontinued operations	(0.02		)	—		(0.04		)	(0.04		)	(0.10		)
Basic earnings per share	$	0.97		$	1.09	$	1.17		$	1.24		$	4.47
Diluted
Continuing operations	$	0.98		$	1.08	$	1.19		$	1.27		$	4.52
Discontinued operations	(0.02		)	—		(0.04		)	(0.04		)	(0.10		)
Diluted earnings per share	$	0.96		$	1.08	$	1.15		$	1.23		$	4.42

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Debt Debt (December 2013 Long-Term Debt Issuances) (Details) - USD ($)		1 Months Ended		3 Months Ended		12 Months Ended
	Dec. 16, 2013	Mar. 31, 2014	Jan. 31, 2010	Mar. 31, 2014	Dec. 16, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Long-term Debt
Proceeds from Issuance of Long-term Debt	$ 1,089,000,000					$ 0	$ 1,089,000,000	$ 0
Proceeds From Debt Issuance Used to Refinance Debt	200,000,000
Unsecured Notes [Member]
Long-term Debt
Description of variable rate basis			six-month LIBOR	one-month LIBOR
Unsecured Notes [Member] | 2016 Notes [Member]
Long-term Debt
Debt Instrument, Issuance Date					Dec. 16, 2013
Face amount	300,000,000				$ 300,000,000
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate						0.68%
Debt Issuance Cost	1,000,000
Proceeds from Issuance of Long-term Debt	$ 299,000,000
Unsecured Notes [Member] | 2016 Notes [Member] | Three month LIBOR [Member]
Long-term Debt
Description of variable rate basis					three-month LIBOR
Debt Instrument, Basis Spread on Variable Rate	0.35%				0.35%
Unsecured Notes [Member] | 2023 Notes [Member]
Long-term Debt
Debt Instrument, Issuance Date					Dec. 16, 2013
Face amount	$ 400,000,000				$ 400,000,000
Debt Instrument, Basis Spread on Variable Rate		0.94%		0.94%
Debt Issuance Cost	3,000,000
Proceeds from Issuance of Long-term Debt	$ 396,000,000
Derivative amount of hedged item		$ 200,000,000		$ 200,000,000
Interest rate	3.70%				3.70%
Debt Instrument, Unamortized Discount	$ 1,000,000				$ 1,000,000
Unsecured Notes [Member] | 2023 Notes [Member] | One Month LIBOR [Member]
Long-term Debt
Description of variable rate basis		one-month LIBOR
Debt Instrument, Basis Spread on Variable Rate		0.94%		0.94%
Unsecured Notes [Member] | 2043 Notes [Member]
Long-term Debt
Debt Instrument, Issuance Date					Dec. 16, 2013
Face amount	400,000,000				$ 400,000,000
Debt Issuance Cost	4,000,000
Proceeds from Issuance of Long-term Debt	$ 394,000,000
Interest rate	4.80%				4.80%
Debt Instrument, Unamortized Discount	$ 2,000,000				$ 2,000,000
ARINC [Member]
Long-term Debt
Proceeds from Debt Issuance Used to Fund Acquisition	$ 900,000,000

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Consolidated Statement of Financial Position - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014
Current Assets:
Cash and cash equivalents	$ 252	$ 323
Receivables, net	1,038	1,033
Inventories, net	1,824	1,709
Current deferred income tax asset	9	9
Business held for sale	0	15
Other current assets	110	115
Total current assets	3,233	3,204
Property	964	919
Goodwill	1,904	1,863
Intangible Assets	703	688
Long-term Deferred Income Taxes	241	101
Other Assets	344	288
TOTAL ASSETS	7,389	7,063
Current Liabilities:
Short-term debt	448	504
Accounts payable	487	535
Compensation and benefits	273	256
Advance payments from customers	365	359
Accrued customer incentives	232	202
Product warranty costs	89	104
Current deferred income tax liability	84	57
Liabilities associated with business held for sale	0	16
Other current liabilities	166	165
Total current liabilities	2,144	2,198
Long-term Debt, Net	1,680	1,663
Retirement Benefits	1,466	1,096
Other Liabilities	219	217
Equity:
Common stock ($0.01 par value; shares authorized: 1,000; shares issued as of September 30, 2015 and 2014: 183.8)	2	2
Additional paid-in capital	1,519	1,489
Retained earnings	5,124	4,605
Accumulated other comprehensive loss	(1,699)	(1,366)
Common stock in treasury, at cost (shares held: September 30, 2015, 51.9; September 30, 2014, 49.8)	(3,071)	(2,846)
Total shareowners’ equity	1,875	1,884
Noncontrolling interest	5	5
Total equity	1,880	1,889
TOTAL LIABILITIES AND EQUITY	$ 7,389	$ 7,063

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Stock-Based Compensation and Earnings Per Share (Tables)

12 Months Ended

Sep. 30, 2015

Stock Based Compensation and Earnings Per Share Abstract

Stock-Based Compensation Expense Categorization

Total stock-based compensation expense and related income tax benefit included within the Consolidated Statement of Operations for 2015, 2014 and 2013 is as follows:

(in millions)	2015		2014		2013
Stock-based compensation expense included in:
Product cost of sales	$	7	$	7	$	6
Selling, general and administrative expenses	17		17		14
Total	$	24	$	24	$	20
Income tax benefit	$	8	$	8	$	7

Schedule of Stock Option Activity

The following summarizes the activity of the Company's stock options for 2015:

	Shares (in thousands)		Weighted Average Exercise Price		Weighted Average Remaining Life (in years)	Aggregate Intrinsic Value (in millions)
Outstanding at September 30, 2014	4,320		$	54.18
Granted	562		83.81
Exercised	(1,094	)	46.02
Forfeited or expired	(89	)	57.06
Outstanding at September 30, 2015	3,699		$	61.02	5.9	$	79
Vested or expected to vest (1)	3,688		$	60.97	5.8	$	79
Exercisable at September 30, 2015	2,548		$	55.01	4.7	$	69

⁽¹⁾ Represents outstanding options reduced by expected forfeitures

	2015		2014		2013
Weighted-average fair value per share of options granted	$	19.59	$	18.60	$	12.81
Intrinsic value of options exercised (in millions) (2)	$	48	$	26	$	43

⁽²⁾ Represents the amount by which the stock price exceeded the exercise price of the options on the date of the exercise

^[1]

Assumptions Used to Value Option Grants

The fair value of each option granted by the Company was estimated using a binomial lattice pricing model and the following weighted average assumptions:

	2015 Grants		2014 Grants		2013 Grants
Risk-free interest rate	0.5% - 2.6%		0.3% - 3.0%		0.3% - 2.9%
Expected dividend yield	1.6	%	1.9	%	2.0	%
Expected volatility	24.0	%	28.0	%	27.0	%
Expected life	7 years		7 years		8 years

Schedule of Performance Shares, Restricted Shares, and Restricted Stock Units Activity

The following summarizes the Company's performance shares, restricted stock and restricted stock units for 2015:

	Performance Shares				Restricted Stock			Restricted Stock Units
(shares in thousands)	Shares		Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Nonvested at September 30, 2014	478		$	60.46	23	$	30.24	331		$	58.78
Granted	131		82.76		—	—		72		84.63
Vested	(158	)	55.01		—	—		(57	)	55.01
Forfeited	(13	)	66.78		—	—		(6	)	67.38
Nonvested at September 30, 2015	438		$	68.92	23	$	30.24	340		$	64.34

(in millions)	Performance Shares		Restricted Stock		Restricted Stock Units
Total unrecognized compensation costs at September 30, 2015	$	11	$	—	$	5
Weighted-average life remaining at September 30, 2015, in years	0.9		0		1.0
Weighted-average fair value per share granted in 2014	$	71.63	$	—	$	72.42
Weighted-average fair value per share granted in 2013	$	55.69	$	—	$	56.04

Earnings Per Share and Diluted Share Equivalents

The computation of basic and diluted earnings per share is as follows:

(in millions, except per share amounts)	2015			2014			2013
Numerator for basic and diluted earnings per share:
Income from continuing operations	$	694		$	618		$	630
Income (loss) from discontinued operations, net of taxes	(8		)	(14		)	2
Net income	$	686		$	604		$	632
Denominator:
Denominator for basic earnings per share – weighted average common shares	132.3			135.1			136.5
Effect of dilutive securities:
Stock options	1.0			1.2			1.2
Performance shares, restricted stock and restricted stock units	0.4			0.4			0.4
Dilutive potential common shares	1.4			1.6			1.6
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversion	133.7			136.7			138.1
Earnings (loss) per share:
Basic
Continuing operations	$	5.25		$	4.57		$	4.62
Discontinued operations	(0.06		)	(0.10		)	0.01
Basic earnings per share	$	5.19		$	4.47		$	4.63
Diluted
Continuing operations	$	5.19		$	4.52		$	4.56
Discontinued operations	(0.06		)	(0.10		)	0.02
Diluted earnings per share	$	5.13		$	4.42		$	4.58

[1] Represents the amount by which the stock price exceeded the exercise price of the options on the date of the exercise

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Income Taxes (Current And Long-Term Deferred Income Tax Assets and Liabilities in Statement of Financial Position) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Current deferred income tax asset	$ 9	$ 9
Current deferred income tax liability	(84)	(57)
Current deferred income taxes, net	(75)	(48)
Long-term deferred income taxes	241	101
Other liabilities	(4)	(1)
Long-term deferred income taxes, net	$ 237	$ 100

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Business Segment Information (Summary of Sales by Product Category) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Business Segment Information
Sales:	$ 1,384	$ 1,293	$ 1,341	$ 1,226	$ 1,402	$ 1,264	$ 1,259	$ 1,054	$ 5,244	$ 4,979	$ 4,474
Commercial Systems [Member]
Business Segment Information
Sales:									2,434	2,299	2,170
Government Systems [Member]
Business Segment Information
Sales:									2,187	2,209	2,259
Information Management Services [Member]
Business Segment Information
Sales:									623	471	45
Air Transport Aviation Electronics [Member] | Commercial Systems [Member]
Business Segment Information
Sales:									1,385	1,285	1,181
Business And Regional Aviation Electronics [Member] | Commercial Systems [Member]
Business Segment Information
Sales:									1,049	1,014	989
Avionics [Member] | Government Systems [Member]
Business Segment Information
Sales:									1,390	1,342	1,384
Communication Products [Member] | Government Systems [Member]
Business Segment Information
Sales:									401	455	450
Surface Solutions [Member] | Government Systems [Member]
Business Segment Information
Sales:									200	234	232
Navigation Products [Member] | Government Systems [Member]
Business Segment Information
Sales:									196	178	193
Wide-Body In-Flight Entertainment Products and Services [Member] | Commercial Systems [Member]
Business Segment Information
Sales:									$ 57	$ 70	$ 83

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Consolidated Statement of Comprehensive Income (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Pension and other retirement benefits adjustments tax amount	$ 169	$ 29	$ (191)
Foreign currency cash flow hedge adjustments tax amount	$ (1)	$ 1	$ (2)

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Income Taxes (Net Current Deferred Income Tax Benefits (Liabilities) Temporary Differences) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Inventory	$ (226)	$ (191)
Product warranty costs	29	32
Customer incentives	62	53
Contract reserves	11	14
Compensation and benefits	29	24
Valuation allowance	(8)	(10)
Other	28	30
Current deferred income taxes, net	$ (75)	$ (48)

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Acquisitions Proforma Nonrecurring Adjustments (Details) - USD ($) $ in Millions		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net reduction to depreciation resulting from fixed asset purchase accounting adjustments		$ (152)	$ (141)	$ (124)
Amortization of acquired ARINC intangible assets, net		(53)	(48)	(28)
ARINC [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Net reduction to depreciation resulting from fixed asset purchase accounting adjustments	[1]	0	2	8
Advisory, legal and accounting service fees	[2]	0	21	(21)
Amortization of acquired ARINC intangible assets, net	[3]	0	(4)	(15)
Interest expense incurred on acquisition financing, net	[4]	$ 0	$ 0	$ (9)

[1] This adjustment captures the net impact to depreciation expense resulting from various purchase accounting adjustments to fixed assets

[2] This adjustment reflects the elimination of transaction-related fees incurred by ARINC and Rockwell Collins in connection with the acquisition and assumes all of the fees were incurred during the first quarter of 2013

[3] This adjustment eliminates amortization of the historical ARINC intangible assets and replaces it with the new amortization for the acquired intangible assets

[4] 4) This adjustment reflects the addition of interest expense for the debt incurred by Rockwell Collins to finance the ARINC acquisition, net of interest expense that was eliminated for the historical ARINC debt that was repaid at the acquisition date. The adjustment also reflects the elimination of interest expense incurred by Rockwell Collins for the bridge loan financing which was assumed to not be required for purposes of the pro-forma periods presented

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Income Taxes (Components of Income Before Income Taxes) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
U.S. income	$ 835	$ 754	$ 755
Non-U.S. income	127	128	110
Total	$ 962	$ 882	$ 865

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Acquisitions (Tables)

12 Months Ended

Sep. 30, 2015

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed

The following table summarizes the fair value of assets acquired and liabilities assumed at the acquisition date:

(in millions)	December 23, 2013
Restricted Cash(1)	$	61
Receivables and Other current assets	216
Building held for sale(2)	81
Business held for sale(3)	15
Property	49
Intangible Assets	431
Other Assets	11
Total Identifiable Assets Acquired	864
Payable to ARINC option holders(1)	(61		)
Current Liabilities	(171		)
Liability related to building held for sale(2)	(81		)
Liabilities associated with business held for sale(3)	(12		)
Long-term deferred income taxes	(182		)
Retirement Benefits and Other Long-term Liabilities	(39		)
Total Liabilities Assumed	(546		)
Net Identifiable Assets Acquired, excluding Goodwill	318
Goodwill	1,087
Net Assets Acquired	$	1,405

⁽¹⁾ Option-holders of ARINC were due approximately $61 million at the transaction closing date. This payment did not clear until December 24, 2013. Therefore the opening balance sheet, which was prepared as of December 23, 2013, includes restricted cash of $61 million and a current liability payable to the ARINC option holders for an equal amount.

⁽²⁾ On March 28, 2014, the Company sold the building which was classified as held for sale at the acquisition date. For more information related to the Building held for sale, see discussion below.

⁽³⁾ Assets and liabilities associated with the Business held for sale relate to ASES, which the Company divested, as detailed in Note 4.

Business Acquisition, Pro Forma Information

(in millions, except per share amounts)	2015 (as Reported)		2014 (Pro-forma)		2013 (Pro-forma)
Sales	$	5,244	$	5,085	$	4,980
Net income attributable to common shareowners from continuing operations	$	694	$	624	$	636
Basic earnings per share from continuing operations	$	5.25	$	4.62	$	4.66
Diluted earnings per share from continuing operations	$	5.19	$	4.56	$	4.61

Business Acquisition, Pro Forma Information, Nonrecurring Adjustments

(in millions)	2015		2014			2013
Increases / (decreases) to pro-forma net income:
Net reduction to depreciation resulting from fixed asset purchase accounting adjustments(1)	$	—	$	2		$	8
Advisory, legal and accounting service fees(2)	—		21			(21		)
Amortization of acquired ARINC intangible assets, net(3)	—		(4		)	(15		)
Interest expense incurred on acquisition financing, net(4)	—		—			(9		)

⁽¹⁾ This adjustment captures the net impact to depreciation expense resulting from various purchase accounting adjustments to fixed assets

⁽²⁾ This adjustment reflects the elimination of transaction-related fees incurred by ARINC and Rockwell Collins in connection with the acquisition and assumes all of the fees were incurred during the first quarter of 2013

⁽³⁾ This adjustment eliminates amortization of the historical ARINC intangible assets and replaces it with the new amortization for the acquired intangible assets

⁽⁴⁾ This adjustment reflects the addition of interest expense for the debt incurred by Rockwell Collins to finance the ARINC acquisition, net of interest expense that was eliminated for the historical ARINC debt that was repaid at the acquisition date. The adjustment also reflects the elimination of interest expense incurred by Rockwell Collins for the bridge loan financing which was assumed to not be required for purposes of the pro-forma periods presented

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Goodwill and Intangible Assets (Changes in the carrying amount of goodwill) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Goodwill
Goodwill beginning balance	$ 1,863	$ 779
Reclassification of goodwill		0
Foreign currency translation adjustments and other	(9)	(4)
Goodwill ending balance	1,904	1,863
Government Systems [Member]
Goodwill
Goodwill beginning balance	508	513
Reclassification of goodwill		0
Foreign currency translation adjustments and other	(8)	(4)
Goodwill ending balance	500	508
Commercial Systems [Member]
Goodwill
Goodwill beginning balance	262	266
Reclassification of goodwill		(4)
Foreign currency translation adjustments and other	(1)	0
Goodwill ending balance	314	262
Information Management Services [Member]
Goodwill
Goodwill beginning balance	1,093	0
Reclassification of goodwill		4
Foreign currency translation adjustments and other	0	0
Goodwill ending balance	1,090	1,093
ARINC [Member]
Goodwill
ARINC acquisition		1,089
Goodwill, Purchase Accounting Adjustments	(3)
ARINC [Member] | Government Systems [Member]
Goodwill
ARINC acquisition		0
ARINC [Member] | Commercial Systems [Member]
Goodwill
ARINC acquisition		0
ARINC [Member] | Information Management Services [Member]
Goodwill
ARINC acquisition		1,089
Goodwill, Purchase Accounting Adjustments	(3)
ICG [Member]
Goodwill
ARINC acquisition	38
ICG [Member] | Commercial Systems [Member]
Goodwill
ARINC acquisition	38
Pacific Avionics [Member]
Goodwill
ARINC acquisition	15
Pacific Avionics [Member] | Commercial Systems [Member]
Goodwill
ARINC acquisition	$ 15
Datapath [Member]
Goodwill
Disposition of Datapath		(1)
Datapath [Member] | Government Systems [Member]
Goodwill
Disposition of Datapath		(1)
Datapath [Member] | Commercial Systems [Member]
Goodwill
Disposition of Datapath		0
Datapath [Member] | Information Management Services [Member]
Goodwill
Disposition of Datapath		$ 0

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Other Income, Net

12 Months Ended

Sep. 30, 2015

Nonoperating Income (Expense) [Abstract]

Other Income, Net

Other Income, Net

Other income, net consists of the following:

(in millions)	2015		2014		2013
Earnings from equity affiliates	$	3	$	7	$	13
Gain from business divestiture	—		10		—
Other	12		8		4
Other income, net	$	15	$	25	$	17

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Discontinued Operations and Divestitures (Tables)

12 Months Ended

Sep. 30, 2015

Discontinued Operations and Disposal Groups [Abstract]

Schedule of Discontinued Operations

Results of discontinued operations are as follows:

	Year Ended September 30
(in millions)	2015			2014			2013
Sales	$	18		$	94		$	136
Income (loss) from discontinued operations before income taxes	(13		)	(29		)	3
Income tax benefit (expense) from discontinued operations	5			15			(1		)

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Income Taxes (Effective Income Tax Rate and U.S. Statutory Tax Rate Reconciliation) (Details)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Statutory tax rate	35.00%	35.00%	35.00%
Foreign rate differential	(1.00%)	(1.10%)	(1.20%)
State and local income taxes	1.20%	1.30%	1.30%
Research and development credit	(3.20%)	(1.10%)	(5.10%)
Domestic manufacturing deduction	(2.00%)	(1.70%)	(2.00%)
Tax settlements	(1.60%)	(0.90%)	(0.10%)
Other	(0.50%)	(1.60%)	(0.70%)
Effective income tax rate	27.90%	29.90%	27.20%

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Fair Value Measurements

12 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Fair Value Measurements

Fair Value Measurements

The FASB defines fair value as the price that would be received to sell an asset or paid to transfer a liability in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants at the measurement date. The FASB’s guidance classifies the inputs used to measure fair value into the following hierarchy:

Level 1 - quoted prices (unadjusted) in active markets for identical assets or liabilities

Level 2 - quoted prices for similar assets and liabilities in active markets or inputs that are observable for the asset or liability, either directly or indirectly through market corroboration, for substantially the full term of the financial instrument

Level 3 - unobservable inputs based on the Company’s own assumptions used to measure assets and liabilities at fair value

A financial asset or liability’s classification within the hierarchy is determined based on the lowest level input that is significant to the fair value measurement.

The fair value of the Company's financial assets and liabilities measured at fair value on a recurring basis as of September 30, 2015 and September 30, 2014 are as follows:

		September 30, 2015			September 30, 2014
(in millions)	Fair Value Hierarchy	Fair Value Asset (Liability)			Fair Value Asset (Liability)
Deferred compensation plan investments	Level 1	$	50		$	50
Interest rate swap assets	Level 2	34			18
Foreign currency forward exchange contract assets	Level 2	7			6
Foreign currency forward exchange contract liabilities	Level 2	(11		)	(9		)
Contingent consideration for ICG acquisition	Level 3	(12		)	—

There were no transfers between Levels of the fair value hierarchy during 2015 or 2014.

In addition to assets and liabilities that are recorded at fair value on a recurring basis, the Company is required to record certain assets and liabilities at fair value on a nonrecurring basis, generally as a result of acquisitions or the remeasurement of assets resulting from certain divestitures. See Note 3 for further discussion on the fair value of assets and liabilities associated with acquisitions. See Note 4 for further discussion on the fair value of assets and liabilities associated with divestitures.

Valuation Techniques

The deferred compensation plan investments consist of investments in marketable securities (primarily mutual funds) and the fair value is determined using the market approach based on quoted market prices of identical assets in active markets.

The fair value of the interest rate swaps is determined using the market approach and is calculated by a pricing model with observable market inputs.

The fair value of foreign currency forward exchange contracts is determined using the market approach and is calculated as the value of the quoted forward currency exchange rate less the contract rate multiplied by the notional amount.

The contingent consideration for the ICG acquisition represents the estimated fair value of post-closing consideration owed to the sellers associated with the acquisition. This is categorized as Level 3 in the fair value hierarchy and the fair value is determined using a probability-weighted approach. The liability recorded was derived from the estimated probability that certain contingent payment milestones will be met in accordance with the terms of the purchase agreement.

As of September 30, 2015, there has not been any impact to the fair value of derivative liabilities due to the Company's own credit risk. Similarly, there has not been any impact to the fair value of derivative assets based on the Company's evaluation of counterparties' credit risks.

The carrying amounts and fair values of the Company's financial instruments are as follows:

	Asset (Liability)
	September 30, 2015						September 30, 2014
(in millions)	Carrying Amount			Fair Value			Carrying Amount			Fair Value
Cash and cash equivalents	$	252		$	252		$	323		$	323
Short-term debt	(448		)	(448		)	(504		)	(504		)
Long-term debt	(1,646		)	(1,750		)	(1,645		)	(1,747		)

The fair value of cash and cash equivalents and short-term debt approximates their carrying value due to the short-term nature of the instruments. These items are within Level 1 of the fair value hierarchy. Fair value information for all long-term debt is within Level 2 of the fair value hierarchy. The fair value of these financial instruments was based on current market interest rates and estimates of current market conditions for instruments with similar terms, maturities and degree of risk. The carrying amount and fair value of short-term and long-term debt excludes the interest rate swaps fair value adjustment. These fair value estimates do not necessarily reflect the amounts the Company would realize in a current market exchange.

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Other Assets (Narrative) (Details) $ in Millions	12 Months Ended
	Sep. 30, 2015 USD ($) Joint_Venture	Sep. 30, 2014 USD ($)	Sep. 30, 2013 USD ($)
Other Assets [Abstract]
Number of equity affiliates (joint ventures) | Joint_Venture	8
Ownership Percentage	50.00%
Sales to equity affiliates	$ 196	$ 177	$ 144
Deferred profit generated from sales to equity affiliates	$ 1	1
Exchange and rental assets estimated useful life	15 years
Depreciation expense, exchange and rental assets	$ 10	$ 10	$ 10

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Environmental Matters (Details) $ in Millions	Sep. 30, 2015 USD ($) Site
Environmental Remediation Obligations [Abstract]
Number of Sites Involved in Investigation	8
Environmental Loss Contingency Number of Sites Where Reasonably Possible Future Costs is Insignificant	7
Site contingency reasonably possible future costs | $	$ 12
Accrual for environmental loss contingencies | $	$ 6

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Consolidated Statement of Cash Flows - USD ($) $ in Millions		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Operating Activities:
Net income		$ 686	$ 604	$ 632
Income (loss) from discontinued operations, net of taxes		(8)	(14)	2
Income from continuing operations		694	618	630
Adjustments to arrive at cash provided by operating activities:
Restructuring, asset impairment and other charges		0	9	0
Gain on sale of business		0	(10)	0
Depreciation		152	141	124
Amortization of intangible assets and pre-production engineering costs		100	84	53
Stock-based compensation expense		24	24	20
Compensation and benefits paid in common stock		50	50	53
Excess tax benefit from stock-based compensation		(13)	(6)	(9)
Deferred income taxes		50	113	55
Pension plan contributions		(69)	(75)	(122)
Changes in assets and liabilities, excluding effects of acquisitions and foreign currency adjustments:
Receivables		(46)	67	(97)
Production inventory		(23)	(84)	(96)
Pre-production engineering costs		(183)	(198)	(170)
Accounts payable		(29)	23	14
Compensation and benefits		24	(60)	33
Advance payments from customers		16	(11)	32
Accrued customer incentives		30	18	10
Product warranty costs		(14)	(14)	(5)
Income taxes		50	(21)	70
Other assets and liabilities		(64)	(8)	(2)
Cash Provided by Operating Activities from Continuing Operations		749	660	593
Investing Activities:
Property additions		(210)	(163)	(120)
Acquisition of businesses, net of cash acquired		(74)	(1,405)	0
Proceeds from the disposition of property		0	0	3
Acquisition of intangible assets		0	(1)	(1)
Proceeds from business divestitures		0	24	0
Other investing activities		(10)	8	0
Cash Used for Investing Activities from Continuing Operations		(294)	(1,537)	(118)
Financing Activities:
Purchases of treasury stock		(330)	(211)	(589)
Cash dividends		(167)	(162)	(164)
Repayment of short-term borrowings		0	(200)	0
Increase (decrease) in short-term commercial paper borrowings, net(1)	[1]	(56)	269	235
Increase in long-term borrowings		0	1,089	0
Proceeds from the exercise of stock options		49	37	61
Excess tax benefit from stock-based compensation		13	6	9
Other financing activities		(1)	(1)	0
Cash Provided by (Used for) Financing Activities from Continuing Operations		(492)	827	(448)
Effect of exchange rate changes on cash and cash equivalents		(23)	(12)	5
Discontinued Operations:
Operating activities		(14)	(16)	24
Investing activities		3	10	0
Cash provided by (used for) discontinued operations:		(11)	(6)	24
Net Change in Cash and Cash Equivalents		(71)	(68)	56
Cash and Cash Equivalents at Beginning of Period		323	391	335
Cash and Cash Equivalents at End of Period		252	323	391
Statement of Cash Flows Footnote [Abstract]
Gross borrowings of commercial paper with maturities greater than three months		0	265	0
Gross payments of commercial paper with maturities greater than three months		0	265	0
Net borrowings of commercial paper with maturities greater than three months		$ 0	$ 0	$ 0

[1] Includes gross borrowings and repayments of commercial paper with maturities greater than three months as follows: Year Ended September 30 2015 2014 2013Gross borrowings of commercial paper with maturities greater than three months$— $265 $—Gross payments of commercial paper with maturities greater than three months— 265 —Net borrowings of commercial paper with maturities greater than three months$— $— $—

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Consolidated Statement of Financial Position (Parenthetical) - $ / shares	Sep. 30, 2015	Sep. 30, 2014
Statement of Financial Position [Abstract]
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	1,000,000,000	1,000,000,000
Common stock, shares issued	183,800,000	183,800,000
Common stock, shares held in treasury	51,900,000	49,800,000

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Other Assets

12 Months Ended

Sep. 30, 2015

Other Assets [Abstract]

Other Assets

Other Assets

Other assets are summarized as follows:

(in millions)	September 30, 2015		September 30, 2014
Long-term receivables	$	109	$	84
Investments in equity affiliates	13		8
Exchange and rental assets (net of accumulated depreciation of $97 at September 30, 2015 and $94 at September 30, 2014)	66		61
Other	156		135
Other assets	$	344	$	288

Long-term receivables

Long-term receivables expected to be collected beyond the next twelve months are principally comprised of unbilled accounts receivables pursuant to sales recorded under the percentage-of-completion method of accounting that have not yet been billed to customers in accordance with applicable contract terms.

Investments in Equity Affiliates

Investments in equity affiliates primarily consist of eight joint ventures:

• ACCEL (Tianjin) Flight Simulation Co., Ltd (ACCEL): ACCEL is a joint venture with Beijing Bluesky Aviation Technology (a subsidiary of the Aviation Industry Corporation of China, or AVIC), that will develop and deliver commercial flight simulators in China

• ADARI Aviation Technology Limited (ADARI): ADARI is a joint venture with Aviation Data Communication Corporation Co., LTD, that operates remote ground stations around China and develops certain content delivery management software

• AVIC Leihua Rockwell Collins Avionics Company (ALRAC): ALRAC is a joint venture with China Leihua Electronic Technology Research Institute (an AVIC subsidiary), for the joint production of integrated surveillance system products for the C919 aircraft in China

• Data Link Solutions LLC (DLS): DLS is a joint venture with BAE Systems, plc for the joint pursuit of the worldwide military data link market

• ESA Vision Systems LLC (ESA): ESA is a joint venture with Elbit Systems, Ltd. for the joint pursuit of helmet-mounted cueing systems for the worldwide military fixed wing aircraft market

• Integrated Guidance Systems LLC (IGS): IGS is a joint venture with Honeywell International Inc. for the joint pursuit of integrated precision guidance solutions for worldwide guided weapons systems

• Quest Flight Training Limited (Quest): Quest is a joint venture with Quadrant Group plc that provides aircrew training services primarily for the United Kingdom Ministry of Defence

• Rockwell Collins CETC Avionics Co., Ltd (RCCAC): RCCAC is a joint venture with CETC Avionics Co., Ltd (CETCA) for the development and delivery of products related to the C919 program

Each joint venture is 50 percent owned by the Company and accounted for under the equity method. Under the equity method of accounting for investments, the Company’s proportionate share of the earnings or losses of its equity affiliates are included in Net income and classified as Other income, net in the Consolidated Statement of Operations. For segment performance reporting purposes, Rockwell Collins’ share of earnings or losses of ESA, DLS, IGS and Quest are included in the operating results of the Government Systems segment, ACCEL, ALRAC and RCCAC are included in the operating results of the Commercial Systems segment and ADARI is included in the operating results of the Information Management Services segment.

In the normal course of business or pursuant to the underlying joint venture agreements, the Company may sell products or services to equity affiliates. The Company defers a portion of the profit generated from these sales equal to its ownership interest in the equity affiliates until the underlying product is ultimately sold to an unrelated third party. Sales to equity affiliates were $196 million, $177 million and $144 million for the years ended September 30, 2015, 2014 and 2013, respectively. The deferred portion of profit generated from sales to equity affiliates was $1 million at September 30, 2015 and $1 million at September 30, 2014.

Exchange and Rental Assets

Exchange and rental assets consist primarily of Company products that are either exchanged or rented to customers on a short-term basis in connection with warranty and other service related activities. These assets are recorded at acquisition or production cost and depreciated using the straight-line method over their estimated lives, up to 15 years. Depreciation methods and lives are reviewed periodically with any changes recorded on a prospective basis. Depreciation expense for exchange and rental assets was $10 million, $10 million and $10 million for the years ended September 30, 2015, 2014 and 2013, respectively.

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Derivative Financial Instruments (Narrative) (Details) - USD ($)	1 Months Ended	3 Months Ended		12 Months Ended
	Jan. 31, 2010	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015	Oct. 31, 2013	Sep. 30, 2013
Derivative Financial Instruments
Derivative Credit Risk Valuation Adjustment, Derivative Liabilities				$ 34,000,000	$ 18,000,000
Derivative, Lower Fixed Interest Rate Range							2.815%
Derivative, Higher Fixed Interest Rate Range							3.8775%
Amount of cash flow hedge gain (loss) to be reclassified into earnings over next 12 months				$ 5,000,000
Maximum duration of a foreign currency cash flow hedge contract in months				58 months
Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net				$ 0	0
Gain (Loss) recognized when a hedged firm commitment no longer qualified as a fair value hedge or when a hedged forecasted transaction no longer qualified as a cash flow hedge				0	0
Other Assets [Member]
Derivative Financial Instruments
Interest rate swap assets				34,000,000	18,000,000
Unsecured Notes [Member]
Derivative Financial Instruments
Interest rate swap assets					18,000,000
Description of variable rate basis	six-month LIBOR	one-month LIBOR
Swap expiration date	Jul. 15, 2019	Dec. 15, 2023
Unsecured Notes [Member] | Other Assets [Member]
Derivative Financial Instruments
Interest rate swap assets				34,000,000	18,000,000
Derivative Credit Risk Valuation Adjustment, Derivative Liabilities				34,000,000
Unsecured Notes [Member] | 2023 Notes [Member]
Derivative Financial Instruments
Derivative amount of hedged item		$ 200,000,000
Basis spread on variable rate		(0.94%)
Unsecured Notes [Member] | 2019 Notes [Member]
Derivative Financial Instruments
Derivative amount of hedged item	$ 150,000,000					$ 150,000,000
Basis spread on variable rate	(1.235%)
Forward Starting Interest Rate Swap [Member]
Derivative Financial Instruments
Notional amount of foreign currency derivatives							$ 300,000,000	$ 200,000,000
Foreign Exchange Contract [Member]
Derivative Financial Instruments
Notional amount of foreign currency derivatives				359,000,000	575,000,000
Foreign Exchange Contract [Member] | Other Current Liabilities [Member]
Derivative Financial Instruments
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value				1,000,000
Cash Flow Hedging [Member] | AOCL [Member]
Derivative Financial Instruments
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net			$ 2,000,000	$ 0	$ 3,000,000

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Income Taxes (Components of Income Tax Expense from Continuing Operations) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Current:
U.S. federal	$ 169	$ 110	$ 151
Non-U.S.	38	37	18
U.S. state and local	11	4	11
Total current	218	151	180
Deferred:
U.S. federal	49	105	53
Non-U.S.	(4)	(2)	(3)
U.S. state and local	5	10	5
Total deferred	50	113	55
Income tax expense	$ 268	$ 264	$ 235

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Other Income, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Nonoperating Income (Expense) [Abstract]
Earnings from equity affiliates	$ 3	$ 7	$ 13
Gain from business divestiture	0	10	0
Other	12	8	4
Other income, net	$ 15	$ 25	$ 17

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Document and Entity Information Document - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Nov. 02, 2015	Apr. 03, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	ROCKWELL COLLINS INC
Entity Central Index Key	0001137411
Document and Entity Information	--09-30
Entity Filer Category	Large Accelerated Filer
Entity Registrant Name	10-K
Document Period End Date	Sep. 30, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		131,444,668
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 12,650

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Debt

12 Months Ended

Sep. 30, 2015

Debt Disclosure [Abstract]

Debt

Debt

Commercial Paper Program

Under the Company’s commercial paper program, the Company may sell up to $1 billion face amount of unsecured short-term promissory notes in the commercial paper market. The commercial paper notes may bear interest or may be sold at a discount, and have a maturity of not more than 364 days from the time of issuance. The commercial paper program is supported by the Company's $1 billion five-year revolving credit facility. At September 30, 2015, short-term commercial paper borrowings outstanding were $448 million with a weighted-average interest rate and maturity period of 0.52 percent and 25 days, respectively. At September 30, 2014, short term commercial paper borrowings outstanding were $504 million with a weighted-average interest rate and maturity period of 0.32 percent and 29 days, respectively.

Revolving Credit Facilities

On September 24, 2013, the Company entered into credit agreements to ensure adequate commercial paper borrowing capacity in anticipation of the Company's then pending ARINC acquisition and to meet other short-term cash requirements. The Company closed on these revolving credit facilities on December 23, 2013, concurrent with the ARINC acquisition closing date. These credit facilities consist of a five-year $1 billion credit facility that expires in December 2018 and a 364-day $200 million credit facility that expired in December 2014 and was not renewed. These agreements replaced the prior $850 million revolving credit facility that was terminated concurrently upon the closing of these agreements.

The credit facilities include one financial covenant requiring the Company to maintain a consolidated debt to total capitalization ratio of not greater than 60 percent. The ratio excludes the equity impact on accumulated other comprehensive loss related to defined benefit retirement plans. The ratio was 38 percent as of September 30, 2015. The credit facilities also contain covenants that require the Company to satisfy certain conditions in order to incur debt secured by liens, engage in sale/leaseback transactions or merge or consolidate with another entity. Borrowings under these credit facilities bear interest at the London Interbank Offered Rate (LIBOR) plus a variable margin based on the Company’s unsecured long-term debt rating or, at the Company’s option, rates determined by competitive bid. At September 30, 2015 and September 30, 2014, there were no outstanding borrowings under these revolving credit facilities.

In addition, short-term credit facilities available to non-U.S. subsidiaries amounted to $39 million as of September 30, 2015, of which $11 million was utilized to support commitments in the form of commercial letters of credit. At

September 30, 2015 and September 30, 2014, there were no short-term borrowings outstanding under the Company’s non-U.S. subsidiaries’ credit facilities.

At September 30, 2015 and 2014, there were no significant commitment fees or compensating balance requirements under any of the Company’s credit facilities.

December 2013 Long-term Debt Issuances

On December 16, 2013, the Company issued $300 million of floating rate unsecured debt due December 15, 2016 (the 2016 Notes). The 2016 Notes bear annual interest at a rate equal to three-month LIBOR plus 0.35 percent. As of September 30, 2015 the quarterly interest rate was 0.68 percent. The rate resets quarterly. The net proceeds to the Company from the 2016 Notes, after deducting $1 million of debt issuance costs, were $299 million.

On December 16, 2013, the Company issued $400 million of 3.7 percent fixed rate unsecured debt due December 15, 2023 (the 2023 Notes). The net proceeds to the Company from the 2023 Notes, after deducting a $1 million discount and $3 million of debt issuance costs, were $396 million. In March 2014, the Company entered into interest rate swap contracts which effectively converted $200 million of the 2023 Notes to floating rate debt based on one-month LIBOR plus 0.94 percent. See Notes 16 and 17 for additional information relating to the interest rate swap contracts.

On December 16, 2013, the Company issued $400 million of 4.8 percent fixed rate unsecured debt due December 15, 2043 (the 2043 Notes). The net proceeds to the Company from the 2043 Notes, after deducting a $2 million discount and $4 million of debt issuance costs, were $394 million.

The net proceeds after discounts and debt issuance costs from the December 16, 2013 debt issuances totaled $1.089 billion. Approximately $900 million was used to finance the ARINC acquisition and approximately $200 million was used to refinance the 2013 Notes that matured on December 1, 2013. The remaining ARINC purchase price was funded using commercial paper proceeds.

Other Long-term Debt

On November 16, 2011, the Company issued $250 million of 3.10 percent fixed rate unsecured debt due November 15, 2021 (the 2021 Notes).

On May 6, 2009, the Company issued $300 million of 5.25 percent fixed rate unsecured debt due July 15, 2019 (the 2019 Notes). In January 2010, the Company entered into interest rate swap contracts which effectively converted $150 million of the 2019 Notes to floating rate debt based on six-month LIBOR plus 1.235 percent. In June 2015, the company entered into interest rate swap contracts which effectively converted the remaining $150 million of the 2019 Notes to floating rate debt based on three-month LIBOR plus 3.56 percent. See Notes 16 and 17 for additional information relating to the interest rate swap contracts.

The 2043, 2023, 2021, 2019 and 2016 Notes are included in the Consolidated Statement of Financial Position net of any unamortized discount within the caption Long-term Debt, Net. The debt issuance costs are capitalized within Other Assets on the Consolidated Statement of Financial Position. The debt issuance costs and any discounts are amortized over the life of the debt and recorded in Interest expense.

The 2043, 2023, 2021, 2019 and 2016 Notes each contain covenants that require the Company to satisfy certain conditions in order to incur debt secured by liens, engage in sales/leaseback transactions, merge or consolidate with another entity or transfer substantially all of the Company’s assets. The Company was in compliance with all debt covenants at September 30, 2015 and 2014.

Long-term debt is summarized as follows:

(in millions)	September 30, 2015		September 30, 2014
Principal amount of 2043 Notes, net of discount	$	398	$	398
Principal amount of 2023 Notes, net of discount	399		399
Principal amount of 2021 Notes, net of discount	250		249
Principal amount of 2019 Notes, net of discount	299		299
Principal amount of 2016 Notes	300		300
Fair value swap adjustment (Notes 16 and 17)	34		18
Long-term debt, net	$	1,680	$	1,663

Interest paid on debt for the years ended September 30, 2015, 2014 and 2013 was $54 million, $47 million and $28 million, respectively.

XML

Retirement Benefits (Plan Assets) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	$ 2,921	$ 3,203
Defined Benefit Plan, Amount of Employer and Related Party Securities Included in Plan Assets	$ 0
Equity Securities [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum	40.00%
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum	70.00%
Defined Benefit Plan, Target Plan Asset Allocations	54.00%	55.00%
Debt Securities [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum	25.00%
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum	60.00%
Defined Benefit Plan, Target Plan Asset Allocations	44.00%	42.00%
Alternative Investments [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum	0.00%
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum	15.00%
Defined Benefit Plan, Target Plan Asset Allocations	0.00%	0.00%
Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Target Plan Asset Allocations Range Minimum	0.00%
Defined Benefit Plan, Target Plan Asset Allocations Range Maximum	5.00%
Defined Benefit Plan, Target Plan Asset Allocations	2.00%	3.00%
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	$ 2,902	$ 3,185	$ 2,779
Subtotal Pension Securities At Fair Value	2,899	3,181
Receivables Related To Investment Transactions	3	4
Pension Plans, Defined Benefit [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Subtotal Pension Securities At Fair Value	1,173	1,352
Pension Plans, Defined Benefit [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Subtotal Pension Securities At Fair Value	1,723	1,826
Pension Plans, Defined Benefit [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Subtotal Pension Securities At Fair Value	3	3
Pension Plans, Defined Benefit [Member] | U.S. Equity [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	895	1,029
Pension Plans, Defined Benefit [Member] | U.S. Equity [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	533	670
Pension Plans, Defined Benefit [Member] | U.S. Equity [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	362	359
Pension Plans, Defined Benefit [Member] | U.S. Equity [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Non-U.S. Equity [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	668	727
Pension Plans, Defined Benefit [Member] | Non-U.S. Equity [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	575	630
Pension Plans, Defined Benefit [Member] | Non-U.S. Equity [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	93	97
Pension Plans, Defined Benefit [Member] | Non-U.S. Equity [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Corporate [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	1,088	1,103
Pension Plans, Defined Benefit [Member] | Corporate [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Corporate [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	1,088	1,103
Pension Plans, Defined Benefit [Member] | Corporate [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | U.S. government [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	148	143
Pension Plans, Defined Benefit [Member] | U.S. government [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	65	52
Pension Plans, Defined Benefit [Member] | U.S. government [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	83	91
Pension Plans, Defined Benefit [Member] | U.S. government [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Emerging Market [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	50
Pension Plans, Defined Benefit [Member] | Emerging Market [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Emerging Market [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	50
Pension Plans, Defined Benefit [Member] | Emerging Market [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Mortgage and asset-backed [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	2	3
Pension Plans, Defined Benefit [Member] | Mortgage and asset-backed [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Mortgage and asset-backed [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	2	3
Pension Plans, Defined Benefit [Member] | Mortgage and asset-backed [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Other [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	43	45
Pension Plans, Defined Benefit [Member] | Other [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Other [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	40	42
Pension Plans, Defined Benefit [Member] | Other [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	3	3
Pension Plans, Defined Benefit [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	55	81
Pension Plans, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Pension Plans, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	55	81
Pension Plans, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	19	18	$ 14
Other Postretirement Benefit Plans, Defined Benefit [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	9	9
Other Postretirement Benefit Plans, Defined Benefit [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	10	9
Other Postretirement Benefit Plans, Defined Benefit [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. Equity [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	7	7
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. Equity [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	7	7
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. Equity [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. Equity [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | Corporate [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	2	2
Other Postretirement Benefit Plans, Defined Benefit [Member] | Corporate [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | Corporate [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	2	2
Other Postretirement Benefit Plans, Defined Benefit [Member] | Corporate [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. government [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	3	3
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. government [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	2	2
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. government [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	1	1
Other Postretirement Benefit Plans, Defined Benefit [Member] | U.S. government [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | Mortgage and asset-backed [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	1	1
Other Postretirement Benefit Plans, Defined Benefit [Member] | Mortgage and asset-backed [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | Mortgage and asset-backed [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	1	1
Other Postretirement Benefit Plans, Defined Benefit [Member] | Mortgage and asset-backed [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	6	5
Other Postretirement Benefit Plans, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 1 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	0	0
Other Postretirement Benefit Plans, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 2 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	6	5
Other Postretirement Benefit Plans, Defined Benefit [Member] | Cash and Cash Equivalents [Member] | Level 3 [Member]
Defined Benefit Plan Disclosure
Defined Benefit Plan, Fair Value of Plan Assets	$ 0	$ 0

XML

Stock-Based Compensation and Earnings Per Share (Earnings Per Share and Diluted Share Equivalents) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Computation of Basic and Diluted Earnings Per Share
Income from continuing operations	$ 184	$ 178	$ 163	$ 169	$ 173	$ 163	$ 148	$ 134	$ 694	$ 618	$ 630
Income (loss) from discontinued operations, net of taxes	0	0	(6)	(2)	(6)	(5)	0	(3)	(8)	(14)	2
Net income	$ 184	$ 178	$ 157	$ 167	$ 167	$ 158	$ 148	$ 131	$ 686	$ 604	$ 632
Denominator:
Denominator for basic earnings per share – weighted average common shares									132.3	135.1	136.5
Stock options									1.0	1.2	1.2
Performance shares, restricted stock and restricted stock units									0.4	0.4	0.4
Dilutive potential common shares									1.4	1.6	1.6
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversion									133.7	136.7	138.1
Basic
Continuing operations	$ 1.40	$ 1.35	$ 1.23	$ 1.28	$ 1.28	$ 1.21	$ 1.09	$ 0.99	$ 5.25	$ 4.57	$ 4.62
Discontinued operations	0.00	0.00	(0.04)	(0.02)	(0.04)	(0.04)	0.00	(0.02)	(0.06)	(0.10)	0.01
Basic earnings per share	1.40	1.35	1.19	1.26	1.24	1.17	1.09	0.97	5.19	4.47	4.63
Diluted
Continuing operations	1.38	1.33	1.22	1.26	1.27	1.19	1.08	0.98	5.19	4.52	4.56
Discontinued operations	0.00	0.00	(0.05)	(0.02)	(0.04)	(0.04)	0.00	(0.02)	(0.06)	(0.10)	0.02
Diluted earnings per share	$ 1.38	$ 1.33	$ 1.17	$ 1.24	$ 1.23	$ 1.15	$ 1.08	$ 0.96	$ 5.13	$ 4.42	$ 4.58
Employee Stock Option [Member]
Diluted
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount									0.0	0.0	0.4

XML

Consolidated Statement of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014		Sep. 30, 2013
Sales:
Product sales	$ 4,438	$ 4,309		$ 4,230
Service sales	806	670		244
Total sales	5,244	4,979		4,474
Costs, expenses and other:
Product cost of sales	3,064	3,001		2,936
Service cost of sales	566	468		167
Selling, general and administrative expenses	606	594		495
Interest expense	61	59	[1]	28	[1]
Other income, net	(15)	(25)		(17)
Total costs, expenses and other	4,282	4,097		3,609
Income from continuing operations before income taxes	962	882		865
Income tax expense	268	264		235
Income from continuing operations	694	618		630
Income (loss) from discontinued operations, net of taxes	(8)	(14)		2
Net income	$ 686	$ 604		$ 632
Basic
Continuing operations	$ 5.25	$ 4.57		$ 4.62
Discontinued operations	(0.06)	(0.10)		0.01
Basic earnings per share	5.19	4.47		4.63
Diluted
Continuing operations	5.19	4.52		4.56
Discontinued operations	(0.06)	(0.10)		0.02
Diluted earnings per share	$ 5.13	$ 4.42		$ 4.58
Weighted average common shares:
Basic	132.3	135.1		136.5
Diluted	133.7	136.7		138.1
Cash dividends per share	$ 1.26	$ 1.20		$ 1.20

[1] During the years ended September 30, 2014, and September 30, 2013, the Company incurred $3 million and $1 million, respectively, of bridge facility fees related to the acquisition of ARINC. These costs are included in interest expense; therefore total transaction costs related to the acquisition of ARINC during these periods were $16 million and $3 million, respectively.

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Discontinued Operations and Divestitures

12 Months Ended

Sep. 30, 2015

Discontinued Operations and Disposal Groups [Abstract]

Discontinued Operations and Divestitures

Discontinued Operations and Divestitures

On March 10, 2015, the Company sold ARINC's ASES business, which provides military aircraft integration and modifications, maintenance and logistics and support, to align with the Company's long-term primary business strategies. The sale pricewas $3 million, and additional post-closing consideration of up to $4 million may be received contingent upon the achievement of certain revenue growth by ASES. The Company recognized a pre-tax loss of $5 million ($3 million after-tax) related to the ASES divestiture. The operating results of ASES, including the loss realized on the disposition, have been included within discontinued operations in the Company's Consolidated Statement of Operations for all periods subsequent to the acquisition of ARINC. As of September 30, 2014, the ASES business was classified within current assets and current liabilities as a business held-for-sale in the Company's Consolidated Statement of Financial Position.

On July 25, 2014, the Company sold its satellite communication systems business formerly known as Datapath. The sales price, which was subject to post-closing adjustments for working capital and other adjustments, was $10 million. The Company recognized a pre-tax loss of $12 million ($2 million after-tax) related to the divestiture of the Datapath business. The high effective tax rate is primarily attributable to differences in the treatment of goodwill for income tax and financial reporting purposes. The operating results of Datapath, including the loss realized on the disposition, have been included in discontinued operations in the Company's Consolidated Statement of Operations for all periods presented. The Datapath business was formerly included in the Government Systems segment. The divestiture of this business is part of the Company's strategy to reshape the Government Systems segment to align with the changing dynamics of the defense environment and focus on opportunities in addressed markets for the Company's core products and solutions.

Results of discontinued operations are as follows:

	Year Ended September 30
(in millions)	2015			2014			2013
Sales	$	18		$	94		$	136
Income (loss) from discontinued operations before income taxes	(13		)	(29		)	3
Income tax benefit (expense) from discontinued operations	5			15			(1		)

During the first quarter of 2014, the Company sold its subsidiary, Kaiser Optical Systems, Inc. (KOSI), a supplier of spectrographic instrumentation and applied holographic technology, to Endress+Hauser. The sale price, after post-closing adjustments for changes in working capital, was $23 million. This resulted in a pretax gain of $10 million, which was included in Other income, net. The divestiture of this business is part of the Company's strategy to reshape the Government Systems segment to align with the changing dynamics of the defense environment and focus on opportunities in addressed markets for the Company's core products and solutions. As part of the divestiture agreement, the Company entered into a long-term supply agreement with the buyer that allows the Company to continue purchasing certain products from KOSI after completion of the sale. As a result of this continuing involvement, the KOSI divestiture did not qualify for classification as a discontinued operation.

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Acquisitions

12 Months Ended

Sep. 30, 2015

Business Combinations [Abstract]

Acquisitions

Acquisitions

On August 6, 2015, the Company acquired 100 percent of the outstanding shares of Newport News, Virginia-based International Communications Group, Inc. (ICG), a leading provider of satellite-based global voice and data communication products and services for the aviation industry. The purchase price, net of cash acquired, was $50 million. Additional post-closing consideration of up to $14 million may be paid, contingent upon the achievement of certain milestones. The Company recorded a $12 million liability on the acquisition date for the fair value of the contingent consideration, which is reflected as a non-cash transaction on the Company's Consolidated Statement of Cash Flows in 2015. The Company is in the process of allocating the purchase price and obtaining a valuation for acquired intangible assets and their useful lives. Based on the Company's preliminary allocation of the purchase price, $38 million has been allocated to goodwill and $24 million to intangible assets. All goodwill resulting from the acquisition is tax deductible. The excess purchase price over net assets acquired, including intangible assets, reflects the Company's view that this acquisition will broaden the Company's flight deck and connectivity portfolio.

On March 20, 2015, the Company acquired 100 percent of the outstanding shares of Pacific Avionics Pty. Limited (Pacific Avionics), a Singapore-based company specializing in technologies used for wireless information distribution, including in-flight entertainment and connectivity. The purchase price, net of cash acquired, was $24 million. In the fourth quarter of 2015, the purchase price allocation was finalized with $10 million allocated to intangible assets and $15 million to goodwill, none of which is deductible for tax purposes. The excess purchase price over net assets acquired, including intangible assets, reflects the Company's view that this acquisition will further enhance the Company's cabin products and information management services portfolios.

The ICG and Pacific Avionics acquisitions are included within the Commercial Systems segment, and the results of operations for ICG and Pacific Avionics have been included in the Company's operating results for the periods subsequent to their respective acquisition dates. Pro-forma results of operations have not been presented for these acquisitions as the effect of the acquisitions are not material to the Company's consolidated results of operations.

On December 23, 2013, the Company acquired 100 percent of the outstanding common stock and voting interests of Radio Holdings, Inc., the holding company of ARINC, a leading global provider of air-to-ground data and voice communication services. ARINC develops and operates communications and information processing systems and provides systems engineering and integration solutions to five key industries: commercial aviation, business aviation, airports, rail and nuclear security. Combining ARINC's communication networks and services with the Company's onboard aircraft information systems strengthens the Company's ability to deliver enhanced connectivity to aircraft operators worldwide.

The ARINC purchase price was $1.405 billion, net of cash acquired and net of $10 million in cash received by the Company in June 2014 from the settlement of various post-closing matters, including adjustments for changes in working capital. As discussed in Note 10, the Company used proceeds from the issuance of long-term debt and commercial paper to finance the cash purchase price. The following table summarizes the fair value of assets acquired and liabilities assumed at the acquisition date:

(in millions)	December 23, 2013
Restricted Cash(1)	$	61
Receivables and Other current assets	216
Building held for sale(2)	81
Business held for sale(3)	15
Property	49
Intangible Assets	431
Other Assets	11
Total Identifiable Assets Acquired	864
Payable to ARINC option holders(1)	(61		)
Current Liabilities	(171		)
Liability related to building held for sale(2)	(81		)
Liabilities associated with business held for sale(3)	(12		)
Long-term deferred income taxes	(182		)
Retirement Benefits and Other Long-term Liabilities	(39		)
Total Liabilities Assumed	(546		)
Net Identifiable Assets Acquired, excluding Goodwill	318
Goodwill	1,087
Net Assets Acquired	$	1,405

⁽¹⁾ Option-holders of ARINC were due approximately $61 million at the transaction closing date. This payment did not clear until December 24, 2013. Therefore the opening balance sheet, which was prepared as of December 23, 2013, includes restricted cash of $61 million and a current liability payable to the ARINC option holders for an equal amount.

⁽²⁾ On March 28, 2014, the Company sold the building which was classified as held for sale at the acquisition date. For more information related to the Building held for sale, see discussion below.

⁽³⁾ Assets and liabilities associated with the Business held for sale relate to ASES, which the Company divested, as detailed in Note 4.

The purchase price allocation resulted in the recognition of $1.087 billion of goodwill and $431 million of intangible assets with a weighted average useful life of approximately 15 years. None of the goodwill is deductible for tax purposes. All of the goodwill is included in the Company’s Information Management Services segment. The goodwill is primarily a result of revenue synergy opportunities generated by the combination of the Company’s aviation electronics and flight services business with ARINC’s network communication solutions and cost synergies resulting from the consolidation of certain corporate and administrative functions. Goodwill also results from the workforce acquired with the business. See Note 23 for additional information relating to the Information Management Services segment.

ARINC’s results of operations have been included in the Company's operating results for the period subsequent to the completion of the acquisition on December 23, 2013. During fiscal 2015 and 2014, ARINC contributed sales of $576 million and $421 million, respectively, and net income of $63 million and $31 million, respectively.

Building Held For Sale and Liability Related to Building Held for Sale

In connection with the acquisition of ARINC, the Company classified $81 million of acquired real estate assets as Building held for sale at the acquisition date, as well as an $81 million liability related to the Building held for sale at the acquisition date. The assets and related liability were recorded at their estimated fair value.

In November 2004, ARINC obtained approval from the Department of Labor to contribute these real estate assets to its defined benefit pension plan. In connection with this transaction, ARINC entered into a simultaneous agreement to leaseback the contributed facilities for a period of twenty years, through November 1, 2024. As a result of the related party elements of the transaction, no sale or gain was recognized when ARINC contributed the real estate to its pension plan. Instead, ARINC recognized a deferred gain liability equal to the fair value of the contributed real estate. The increase in deferred gain liability was offset by an equal reduction to pension plan liabilities to recognize the fair value of the contributed real estate in the funded status of the pension plan.

The Building held for sale was comprised of the land and buildings of the ARINC corporate headquarters located in Annapolis, Maryland. The related liability represented future rental payment obligations under the leaseback agreement. As of the acquisition date, the real estate assets were being marketed for sale. In March 2014, the assets were sold to an unrelated third party. The net proceeds from the sale of $81 million were remitted directly to the ARINC pension plan, and have been included as a benefit to the funded status of that plan. The sale had no impact on the Company's Consolidated Statement of Operations or Consolidated Statement of Cash Flows.

Concurrent with the sale of the real estate assets, the Company entered into revised lease agreements with the new owner of the Annapolis, Maryland facilities, extending the lease term for a portion of the facility through March 31, 2029. A portion of the leased assets have been classified as a capital lease resulting in the establishment of capital lease assets and offsetting capital lease obligation on the Company's Consolidated Statement of Financial Position.

Transaction-related Expenses

The Company incurred transaction costs related to the acquisition of$16 millionduring the year ended September 30, 2014, of which$13 million is recorded within Selling, general and administrative expenses on the Company's Consolidated Statement of Operations. The remaining $3 million is recorded within Interest expense and relates to fees incurred in connection with the bridge credit agreement which was entered into in September 2013 to support the financing of the ARINC acquisition.

Supplemental Pro-Forma Data

The following unaudited supplemental pro-forma data presents consolidated pro-forma information as if the acquisition and related financing had been on October 1, 2012.

The unaudited supplemental pro-forma financial information does not reflect the potential realization of revenue synergies or cost savings, nor does it reflect other costs relating to the integration of the two companies. This pro-forma data should not be considered indicative of the results that would have actually occurred if the acquisition and related financing had been consummated on October 1, 2012, nor are they indicative of future results.

The unaudited supplemental pro-forma financial information was calculated by combining the Company's results with the stand-alone results of ARINC for the pre-acquisition periods, which were adjusted to account for certain transactions and other costs that would have been incurred during this pre-acquisition period.

(in millions, except per share amounts)	2015 (as Reported)		2014 (Pro-forma)		2013 (Pro-forma)
Sales	$	5,244	$	5,085	$	4,980
Net income attributable to common shareowners from continuing operations	$	694	$	624	$	636
Basic earnings per share from continuing operations	$	5.25	$	4.62	$	4.66
Diluted earnings per share from continuing operations	$	5.19	$	4.56	$	4.61

The unaudited supplemental pro-forma data above excludes the results of ASES, which the Company divested, as detailed in Note 4. The following significant adjustments were made to account for certain transactions and costs that would have occurred if the acquisition had been completed on October 1, 2012. These adjustments are net of any applicable tax impact and were included to arrive at the pro-forma results above. As the acquisition of ARINC was completed on December 23, 2013, the pro forma adjustments for the year ended September 30, 2014 in the table below include only the required adjustments through December 23, 2013.

(in millions)	2015		2014			2013
Increases / (decreases) to pro-forma net income:
Net reduction to depreciation resulting from fixed asset purchase accounting adjustments(1)	$	—	$	2		$	8
Advisory, legal and accounting service fees(2)	—		21			(21		)
Amortization of acquired ARINC intangible assets, net(3)	—		(4		)	(15		)
Interest expense incurred on acquisition financing, net(4)	—		—			(9		)

⁽¹⁾ This adjustment captures the net impact to depreciation expense resulting from various purchase accounting adjustments to fixed assets

⁽²⁾ This adjustment reflects the elimination of transaction-related fees incurred by ARINC and Rockwell Collins in connection with the acquisition and assumes all of the fees were incurred during the first quarter of 2013

⁽³⁾ This adjustment eliminates amortization of the historical ARINC intangible assets and replaces it with the new amortization for the acquired intangible assets

⁽⁴⁾ This adjustment reflects the addition of interest expense for the debt incurred by Rockwell Collins to finance the ARINC acquisition, net of interest expense that was eliminated for the historical ARINC debt that was repaid at the acquisition date. The adjustment also reflects the elimination of interest expense incurred by Rockwell Collins for the bridge loan financing which was assumed to not be required for purposes of the pro-forma periods presented

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Income Taxes

12 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

The components of income tax expense from continuing operations are as follows:

(in millions)	2015			2014			2013
Current:
U.S. federal	$	169		$	110		$	151
Non-U.S.	38			37			18
U.S. state and local	11			4			11
Total current	218			151			180
Deferred:
U.S. federal	49			105			53
Non-U.S.	(4		)	(2		)	(3		)
U.S. state and local	5			10			5
Total deferred	50			113			55
Income tax expense	$	268		$	264		$	235

Net current deferred income tax benefits (liabilities) consist of the tax effects of temporary differences related to the following:

	September 30
(in millions)	2015			2014
Inventory	$	(226	)	$	(191	)
Product warranty costs	29			32
Customer incentives	62			53
Contract reserves	11			14
Compensation and benefits	29			24
Valuation allowance	(8		)	(10		)
Other	28			30
Current deferred income taxes, net	$	(75	)	$	(48	)

Net long-term deferred income tax benefits (liabilities) consist of the tax effects of temporary differences related to the following:

	September 30
(in millions)	2015			2014
Retirement benefits	$	487		$	346
Intangibles	(177		)	(183		)
Capital lease liability	21			22
Property	(154		)	(151		)
Stock-based compensation	30			29
Deferred compensation	15			13
Capital loss carryover	42			43
Valuation allowance	(34		)	(33		)
Other	7			14
Long-term deferred income taxes, net	$	237		$	100

Current deferred income tax assets and liabilities and long-term deferred income tax assets and liabilities are included in the Consolidated Statement of Financial Position as follows:

	September 30
(in millions)	2015			2014
Current deferred income tax asset	$	9		$	9
Current deferred income tax liability	(84		)	(57		)
Current deferred income taxes, net	$	(75	)	$	(48	)
Long-term deferred income taxes	$	241		$	101
Other liabilities	(4		)	(1		)
Long-term deferred income taxes, net	$	237		$	100

Management believes it is more likely than not that the current and long-term deferred tax assets will be realized through the reduction of future taxable income, except for $42 million of deferred tax assets which have been fully reserved and relate to a U.S. capital loss carry forward on the Company's sale of its Datapath business which expires in 2019. Significant factors considered by management in its determination of the probability of the realization of the deferred tax assets include: (a) the historical operating results of the Company ($1.509 billion of U.S. taxable income over the past three years), (b) expectations of future earnings, (c) the extended period of time over which the retirement benefit liabilities will be paid and (d) the expectations of future capital gains.

Changes in the valuation allowance for deferred tax assets are summarized as follows:

	September 30
(in millions)	2015			2014		2013
Balance at beginning of year	$	43		$	11	$	19
Charged to costs and expenses	—			32		—
Deductions	(1		)	—		(8		)
Balance at September 30	$	42		$	43	$	11

The effective income tax rate from continuing operations differed from the U.S. statutory tax rate as detailed below:

	2015		2014		2013
Statutory tax rate	35.0	%	35.0	%	35.0	%
Foreign rate differential	(1.0	)	(1.1	)	(1.2	)
State and local income taxes	1.2		1.3		1.3
Research and development credit	(3.2	)	(1.1	)	(5.1	)
Domestic manufacturing deduction	(2.0	)	(1.7	)	(2.0	)
Tax settlements	(1.6	)	(0.9	)	(0.1	)
Other	(0.5	)	(1.6	)	(0.7	)
Effective income tax rate	27.9	%	29.9	%	27.2	%

Income tax expense from continuing operations was calculated based on the following components of income before income taxes:

(in millions)	2015		2014		2013
U.S. income	$	835	$	754	$	755
Non-U.S. income	127		128		110
Total	$	962	$	882	$	865

The Company's U.S. Federal income tax returns for the tax year ended September 30, 2011 and prior years have been audited by the IRS and are closed to further adjustments by the IRS. The IRS is currently auditing the Company's tax returns for the years ended September 30, 2012 and 2013. ARINC's U.S. Federal income tax returns are currently under audit by the IRS for the tax years ended December 31, 2009 and December 31, 2012 and are closed to further adjustments by the IRS for all tax years ended December 31, 2008 and prior. The Company and ARINC are also currently under audit in various U.S. states and non-U.S. jurisdictions. The U.S. states and non-U.S. jurisdictions have statutes of limitations generally ranging from 3 to 5 years. The Company believes it has adequately provided for any tax adjustments that may result from the various audits.

No provision has been made as of September 30, 2015 for U.S. federal or state, or additional non-U.S. income taxes related to approximately $539 million of undistributed earnings of non-U.S. subsidiaries which have been or are intended to be permanently reinvested. Thus, it is not practicable to estimate the amount of tax that might be payable on the undistributed earnings.

The Company had net income tax payments of $182 million, $182 million and $106 million in 2015, 2014 and 2013, respectively.

A reconciliation of the beginning and ending amount of unrecognized tax benefits for the years ended September 30 is as follows:

(in millions)	2015			2014			2013
Beginning balance	$	48		$	56		$	42
Additions for tax positions related to the current year	8			13			15
Additions for tax positions of prior years	6			1			3
Additions for tax positions related to acquisitions	—			8			—
Reductions for tax positions of prior years	(17		)	(17		)	(1		)
Reductions for tax positions of prior years related to lapse of statute of limitations	(1		)	(2		)	(2		)
Reductions for tax positions related to settlements with taxing authorities	(5		)	(11		)	(1		)
Ending balance	$	39		$	48		$	56

The total amount of unrecognized tax benefits that, if recognized, would affect the effective income tax rate were $11 million, $25 million and $34 million as of September 30, 2015, 2014 and 2013, respectively. Although the timing and outcome of tax settlements are uncertain, it is reasonably possible that during the next 12 months a reduction in unrecognized tax benefits may occur in the range of $0 to $13 million based on the outcome of tax examinations or as a result of the expiration of various statutes of limitations.

The Company includes interest and penalties related to unrecognized tax benefits in income tax expense. The total amount of interest and penalties recognized within Other Liabilities in the Consolidated Statement of Financial Position was $1 million and $1 million as of September 30, 2015 and 2014, respectively. The total amount of interest and penalties recorded as an expense or (income) within Income tax expense in the Consolidated Statement of Operations was $0 million, $(1) million and $0 million for the years ended September 30, 2015, 2014 and 2013, respectively.

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Retirement Benefits

12 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Retirement Benefits

Retirement Benefits

The Company sponsors defined benefit pension (Pension Benefits) and other postretirement (Other Retirement Benefits) plans which provide monthly pension and other benefits to eligible employees upon retirement.

The Company early adopted the provisions of ASU No. 2015-04 (see Note 2), and used September 30, 2015 as the date closest to its fiscal year end to value plan assets of all its defined benefit plans. There was no material impact of adoption of this accounting standard on the fair value of plan assets.

Pension Benefits

The Company historically provided pension benefits to most of the Company's U.S. employees in the form of non-contributory, defined benefit plans that are considered qualified plans under applicable laws. The benefits provided under these plans for salaried employees are generally based on years of service and average compensation. The benefits provided under these plans for hourly employees are generally based on specified benefit amounts and years of service. In addition, the Company sponsors an unfunded non-qualified defined benefit plan for certain employees.

In June 2003, the Company amended its U.S. qualified and non-qualified defined benefit pension plans to discontinue benefit accruals for salary increases and services rendered after September 30, 2006. These changes impacted all of the Company's domestic pension plans for all salaried and hourly employees who were not covered by collective bargaining agreements. Concurrently, the Company supplemented its existing defined contribution savings plan effective October 1, 2006 to include an additional Company contribution.

The Company also maintains five defined benefit pension plans in countries outside of the U.S., two of which are unfunded.

Other Retirement Benefits

Other retirement benefits consist of retiree health care and life insurance benefits that are provided to substantially all of the Company's U.S. employees hired before October 1, 2006 and their beneficiaries. Employees generally become eligible to receive these benefits if they retire after age 55 with at least 10 years of service. Most plans are contributory with retiree contributions generally based upon years of service and adjusted annually by the Company. Retiree medical plans pay a stated percentage of expenses reduced by deductibles and other coverage. The amount the Company will contribute toward retiree medical coverage for most participants is fixed. Additional premium contributions will be required from participants for all costs in excess of the Company's fixed contribution amount. Retiree life insurance plans provide coverage at a flat dollar amount or as a multiple of salary. With the exception of certain bargaining unit plans, Other Retirement Benefits are funded as expenses are incurred.

ARINC Pension Plan

ARINC sponsors two primary pension sub-plans: one for union employees and one for non-union employees.

Effective April 1, 2006, ARINC froze the majority of its pension plans for employees not covered by bargaining unit agreements. As a result, most of the non-union participants in the ARINC pension plans are no longer accruing contribution credits. The plans generally allow for employees who retire, or terminate, to elect to receive their pension benefits in a lump sum and certain existing participants in the plans continue to earn vesting rights and accrue interest on their account balance at rates established by the plans.

ARINC Other Retirement Benefits

ARINC also provides postretirement health coverage for many of its current and former employees and postretirement life insurance benefits for certain retirees. These benefits vary by employment status, age, service and salary level at retirement.

Components of Expense (Income)

The components of expense (income) for Pension Benefits and Other Retirement Benefits are summarized below:

	Pension Benefits									Other Retirement Benefits
(in millions)	2015			2014			2013			2015			2014			2013
Service cost	$	12		$	10		$	10		$	3		$	3		$	4
Interest cost	155			168			139			7			9			8
Expected return on plan assets	(242		)	(228		)	(203		)	(1		)	(1		)	(1		)
Amortization:
Prior service credit	(3		)	(12		)	(18		)	(5		)	(9		)	(8		)
Net actuarial loss	72			72			79			7			8			12
Net benefit expense (income)	$	(6	)	$	10		$	7		$	11		$	10		$	15

Funded Status and Net Liability

The Company recognizes the unfunded status of defined benefit retirement plans on the Consolidated Statement of Financial Position as Retirement Benefits. The current portion of the liability is the amount by which the actuarial present value of benefits included in the benefit obligation payable in the next twelve months exceeds the fair value of the plan assets and is reflected in Compensation and benefits in the Consolidated Statement of Financial Position.

The following table reconciles the projected benefit obligations (PBO), plan assets, funded status and net liability for the Company's Pension Benefits and the Other Retirement Benefits.

	Pension Benefits						Other Retirement Benefits
(in millions)	2015			2014			2015			2014
PBO at beginning of period	$	4,086		$	3,660		$	213		$	214
Service cost	12			10			3			3
Interest cost	155			168			7			9
Discount rate and other assumption changes	315			228			6			7
Actuarial losses (gains)	(52		)	—			7			(13		)
Plan participant contributions	—			—			3			3
Benefits paid	(330		)	(211		)	(18		)	(18		)
ARINC acquisition	—			274			—			8
Settlements	—			(36		)	—			—
Other	(19		)	(7		)	—			—
PBO at end of period	4,167			4,086			221			213
Plan assets at beginning of period	3,185			2,779			18			14
Actual return on plan assets	(16		)	304			—			1
Company contributions	69			75			16			18
Plan participant contributions	—			—			3			3
Benefits paid	(330		)	(211		)	(18		)	(18		)
ARINC acquisition	—			273			—			—
Settlements	—			(36		)	—			—
Other	(6		)	1			—			—
Plan assets at end of period	2,902			3,185			19			18
Funded status of plans	$	(1,265	)	$	(901	)	$	(202	)	$	(195	)
Funded status consists of:
Retirement benefits liability	$	(1,264	)	$	(901	)	$	(202	)	$	(195	)
Compensation and benefits liability	(11		)	(11		)	—			—
Other assets	10			11			—			—
Net liability	$	(1,265	)	$	(901	)	$	(202	)	$	(195	)

During 2015, the Company made $121 million of benefit payments for terminated vested lump sum payouts to certain participants.

In October 2014, the Society of Actuaries published a new set of mortality tables (RP-2014) and a new mortality improvement scale (MP-2014), which update life expectancy assumptions. The newly published tables generally reflect longer life expectancy than was projected by past tables. For the Company's 2015 year-end pension liability valuation, the Company used the RP-2014 tables with an adjustment for plan experience and the MP-2014 improvement scale adjusted to reflect convergence to an ultimate annual rate of mortality improvement of 0.75 percent by 2022. These changes resulted in an increase to the 2015 projected pension benefit obligation of $310 million.

The Company's non-U.S. defined benefit pension plans represented 5 percent of the total PBO at September 30, 2015 and 2014. The accumulated benefit obligation for all defined benefit pension plans was $4.153 billion and $4.068 billion at September 30, 2015 and 2014, respectively.

Other Comprehensive Loss

The following table summarizes the amounts included in Accumulated other comprehensive loss before tax related to retirement benefits as of September 30, 2015 and 2014 and changes recognized in Other comprehensive loss before tax for the years ended September 30, 2015 and 2014:

	Pension Benefits						Other Retirement Benefits
(in millions)	Prior Service Cost (Credit)			Net Actuarial Loss			Prior Service Cost (Credit)			Net Actuarial Loss
Balance at September 30, 2013	$	(6	)	$	1,958		$	(18	)	$	113
Current year net actuarial (gain)/loss	—			149			—			(6		)
Amortization of prior service cost	12			—			9			—
Amortization of actuarial loss	—			(72		)	—			(8		)
Balance at September 30, 2014	6			2,035			(9		)	99
Current year net actuarial loss	—			515			—			14
Amortization of prior service cost	3			—			5			—
Amortization of actuarial loss	—			(72		)	—			(7		)
Balance at September 30, 2015	$	9		$	2,478		$	(4	)	$	106

The estimated amounts that will be amortized from Accumulated other comprehensive loss into expense (income) for Pension Benefits and Other Retirement Benefits during the year ending September 30, 2016 are as follows:

(in millions)	Pension Benefits			Other Retirement Benefits			Total
Prior service cost	$	(1	)	$	(1	)	$	(2	)
Net actuarial loss	78			8			86
Total	$	77		$	7		$	84

Actuarial Assumptions

The following table presents the significant assumptions used in determining the benefit obligations:

	Pension Benefits								Other Retirement Benefits
	U.S.				Non-U.S.				U.S.
	2015		2014		2015		2014		2015		2014
Discount rate	3.96	%	3.96	%	2.94	%	3.15	%	3.73	%	3.70	%
Compensation increase rate	4.00	%	4.00	%	3.04	%	3.48	%	4.00	%	4.00	%

Discount rates used to determine the benefit obligations are determined by using a weighted average of market-observed yields for high quality fixed income securities that correspond to the payment of benefits.

The Company's U.S. qualified and non-qualified plans were amended to discontinue benefit accruals for salary increases and services rendered after September 30, 2006 and after April 1, 2006 for ARINC. In the U.S., certain plans associated with collective bargaining agreements continue to accrue benefits, and only the ARINC plans are impacted by increases in compensation as the benefit formula is dependent on salary increases.

Significant assumptions used in determining the net benefit expense (income) are as follows:

	Pension Benefits								Other Retirement Benefits
	U.S.				Non-U.S.				U.S.
	2015		2014		2015		2014		2015		2014
Discount rate	3.96	%	4.51	%	3.15	%	3.93	%	3.70	%	4.14	%
Expected long-term return on plan assets	8.23	%	8.23	%	6.70	%	8.17	%	8.25	%	8.25	%
Compensation increase rate	4.00	%	4.00	%	3.48	%	3.45	%	4.00	%	4.00	%
Health care cost gross trend rate (1)	—		—		—		—		7.48	%	7.97	%
Ultimate trend rate (1)	—		—		—		—		4.98	%	4.98	%
Year that trend reaches ultimate rate (1)	—		—		—		—		2019		2019

⁽¹⁾ Due to the effect of the fixed Company contribution, increasing or decreasing the health care cost trend rate by one percentage point would not have a significant impact on the Company's cost of providing Other Retirement Benefits.

Expected long-term return on plan assets for each year presented is based on both historical long-term actual and expected future investment returns considering the current investment mix of plan assets. The Company uses a market-related value of plan assets reflecting changes in the fair value of plan assets over a five-year period. The Company amortizes actuarial gains and losses in excess of 10 percent of the greater of the market-related value of plan assets or the projected benefit obligation (the corridor) on a straight-line basis over the expected future lifetime of inactive participants, which was approximately 26 years years at September 30, 2015, as almost all of the plan's participants are considered inactive.

Prior service costs resulting from plan amendments are amortized in equal annual amounts over the average remaining service period of affected active participants or over the remaining life expectancy of affected retired participants.

Plan Assets

Total plan assets for Pension Benefits and Other Retirement Benefits as of September 30, 2015 and 2014 were $2.921 billion and $3.203 billion, respectively. The Company has established investment objectives that seek to preserve and maximize the amount of plan assets available to pay plan benefits. These objectives are achieved through investment guidelines requiring diversification and allocation strategies designed to maximize the long-term returns on plan assets while maintaining a prudent level of investment risk. These investment strategies are implemented using actively managed and indexed assets. Target and actual asset allocations as of September 30, 2015 and 2014 are as follows:

	Target Mix			2015		2014
Equities	40%	-	70%	54	%	55	%
Fixed income	25%	-	60%	44	%	42	%
Alternative investments	0%	-	15%	0	%	0	%
Cash	0%	-	5%	2	%	3	%

Alternative investments may include real estate, hedge funds, venture capital and private equity. There were no plan assets invested in the securities of the Company as of September 30, 2015 and 2014 or at any time during the years then ended. Target and actual asset allocations are periodically rebalanced between asset classes in order to mitigate investment risk and maintain asset classes within target allocations.

The following table presents the fair value of the Company's pension plans' assets as of September 30, 2015 and 2014, by asset category segregated by level within the fair value hierarchy, as described in Note 16:

	September 30, 2015								September 30, 2014
Asset category (in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Equity securities:
U.S. equity	$	533	$	362	$	—	$	895	$	670	$	359	$	—	$	1,029
Non-U.S. equity	575		93		—		668		630		97		—		727
Fixed income securities:
Corporate	—		1,088		—		1,088		—		1,103		—		1,103
U.S. government	65		83		—		148		52		91		—		143
Emerging market	—		—		—		—		—		50		—		50
Mortgage and asset-backed	—		2		—		2		—		3		—		3
Other	—		40		3		43		—		42		3		45
Cash and cash equivalents	—		55		—		55		—		81		—		81
Sub-total	1,173		1,723		3		2,899		1,352		1,826		3		3,181
Net receivables related to investment transactions							3								4
Total							$	2,902							$	3,185

The following table presents the fair value of the Company's other retirement benefits plan's assets as of September 30, 2015 and 2014, by asset category segregated by level within the fair value hierarchy, as described in Note 16:

	September 30, 2015								September 30, 2014
Asset category (in millions)	Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
Equity securities:
U.S. equity	$	7	$	—	$	—	$	7	$	7	$	—	$	—	$	7
Fixed income securities:
Corporate	—		2		—		2		—		2		—		2
U.S. government	2		1		—		3		2		1		—		3
Mortgage and asset-backed	—		1		—		1		—		1		—		1
Cash and cash equivalents	—		6		—		6		—		5		—		5
Total	$	9	$	10	$	—	$	19	$	9	$	9	$	—	$	18

Valuation Techniques

Level 1 assets for the pension plans and other retirement benefits plan are primarily comprised of equity and fixed income securities. Level 1 equity securities are actively traded on U.S. and non-U.S. exchanges and are valued using the market approach at quoted market prices on the measurement date. Level 1 fixed income securities are valued using quoted market prices.

Level 2 equity securities contain equity funds that hold investments with values based on quoted market prices, but for which the funds are not valued on a quoted market basis. Level 2 fixed income securities are primarily valued using pricing models that use observable market data or bids provided by independent investment brokerage firms.

Cash and cash equivalents includes cash which is used to pay benefits and cash invested in a short-term investment fund that holds securities with values based on quoted market prices, but for which the funds are not valued on a quoted market basis. As such, the cash and cash equivalents in our pension and other retirement plan assets are classified as Level 2 in the tables above.

The Level 3 assets represent general insurance company contracts in the ARINC pension plans and are not significant. As described in Note 16, the fair value of a Level 3 asset is derived from unobservable inputs that are based on the Company's own assumptions.

Contributions

For the years ended September 30, 2015 and 2014, the Company made contributions to its pension plans as follows:

(in millions)	2015		2014
Contributions to U.S. qualified plan	$	55	$	55
Contributions to U.S. non-qualified plan	9		14
Contributions to non-U.S. plans	5		6
Total	$	69	$	75

The Company’s objective with respect to the funding of its pension plans is to provide adequate assets for the payment of future benefits. Pursuant to this objective, the Company will fund its pension plans as required by governmental regulations and may consider discretionary contributions as conditions warrant. In October 2015, the Company voluntarily contributed $55 million to its U.S. qualified pension plan, subsequent to its 2015 fiscal year end. There is no minimum statutory funding requirement for 2016 and the Company does not currently expect to make any additional discretionary contributions during 2016 to this plan. Furthermore, the Company is not required to make, and does not intend to make, any contributions to the ARINC pension plans during 2016. Any additional future contributions necessary to satisfy minimum statutory funding requirements are dependent upon actual plan asset returns, interest rates and actuarial assumptions. Contributions to the non-U.S. plans and the U.S. non-qualified plan are expected to total $13 million in 2016.

Contributions to the Company's other postretirement plans are expected to total $15 million in 2016.

The Company participates in a multi-employer arrangement that provides postretirement benefits other than pension benefits. This arrangement provides medical benefits to certain bargaining unit active employees and retirees and their dependents. Contributions to this multi-employer arrangement were $1 million in 2015, $0 million in 2014 and $0 million in 2013.

Benefit Payments

The following table reflects estimated benefit payments to be made to eligible participants for each of the next five years and the following five years in the aggregate:

(in millions)	Pension Benefits		Other Retirement Benefits
2016	$	224	$	15
2017	227		15
2018	232		17
2019	238		17
2020	242		17
2021 - 2025	1,248		78

Estimated benefit payments for Other Retirement Benefits in the table above are shown net of plan participant contributions and therefore reflect the Company's portion only. Substantially all of the Pension Benefit payments relate to the Company's U.S. qualified funded plans which are paid from the pension trust.

Defined Contribution Savings Plans and Employee Stock Purchase Plan

The Company sponsors defined contribution savings plans that are available to the majority of its employees. The plans allow employees to contribute a portion of their compensation on a pre-tax and/or after-tax basis in accordance with specified guidelines. For most plans, the Company matches a percentage of employee contributions using common stock of the Company up to certain limits. Employees may transfer at any time all or a portion of their balance in Company common stock to any of the other investment options offered within the plans. The Company is authorized to issue 16.5 million shares under the defined contribution savings plans, of which 1.9 million shares are available for future contributions at September 30, 2015. Additionally, the Company's defined contribution savings plan includes a cash contribution based on an employee's age and service.

ARINC has a defined contribution savings plan that is available to most of its employees. The plan allows employees to contribute a portion of their compensation on a pre-tax and/or after-tax basis in accordance with specified guidelines. The Company makes certain matching cash contributions to the plan, which totaled $4 million for 2015.

The Company's expense related to the defined contribution savings plans for 2015, 2014 and 2013 was as follows:

	2015			2014			2013
(in millions)	Shares	Expense		Shares	Expense		Shares	Expense
Contribution in shares:
Defined contribution savings plans	0.4	$	39	0.5	$	40	0.7	$	43
Contribution in cash:
Retirement contributions		47			50			42
Total		$	86		$	90		$	85

The Company also offers an Employee Stock Purchase Plan (ESPP) which allows employees to have their base compensation withheld to purchase the Company's common stock each month at 95 percent of the fair market value on the last day of the month. During 2013, the Company retired the legacy ESPP and replaced it with a new ESPP that is substantially the same. As of September 30, 2015, 2.6 million shares are available for future purchase. The ESPP is considered a non-compensatory plan and accordingly no compensation expense is recorded in connection with this benefit. During 2015, 2014 and 2013, 0.1 million, 0.1 million and 0.2 million shares, respectively, of Company common stock were issued to employees at a value of $11 million, $10 million and $10 million for the respective periods.

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Shareowners' Equity (Details) - USD ($) $ / shares in Units, $ in Millions		12 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Shareowners' Equity
Common Stock, Shares Authorized					1,000,000,000	1,000,000,000
Common stock, par value					$ 0.01	$ 0.01
Preferred Stock, Shares Authorized					25,000,000
Amount of share repurchases		$ 325	$ 206	$ 569
Number of shares repurchased		3,800,000	2,700,000	9,800,000
Treasury Stock Repurchase Authorization					$ 380
Unamortized pension and other retirement benefits (net of taxes of $952 for 2015, $783 for 2014 and $754 for 2013)					(1,637)	$ (1,348)	$ (1,293)
Foreign currency translation adjustment					(56)	(15)	12
Foreign currency cash flow hedge adjustment					(6)	(3)	(6)
Accumulated other comprehensive loss		$ (1,366)	$ (1,287)	$ (1,287)	(1,699)	(1,366)	$ (1,287)
Unamortized pension and other retirement benefits income tax expense		952	783	754
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at September 30, 2014		(1,366)	(1,287)
Other comprehensive income before reclassifications		(382)
Amounts reclassified from accumulated other comprehensive income		49
Net current period other comprehensive income		(333)
Balance at September 30, 2015		(1,699)	(1,366)	$ (1,287)
Foreign Exchange Translation Adjustment [Member]
Shareowners' Equity
Accumulated other comprehensive loss		(15)	(15)		(56)	(15)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at September 30, 2014		(15)
Other comprehensive income before reclassifications		(41)
Amounts reclassified from accumulated other comprehensive income		0
Net current period other comprehensive income		(41)
Balance at September 30, 2015		(56)	(15)
Pension and Other Postretirement Adjustments [Member]
Shareowners' Equity
Accumulated other comprehensive loss	[1]	(1,348)	(1,348)		(1,637)	(1,348)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at September 30, 2014	[1]	(1,348)
Other comprehensive income before reclassifications	[1]	(334)
Amounts reclassified from accumulated other comprehensive income	[1]	45
Net current period other comprehensive income	[1]	(289)
Balance at September 30, 2015	[1]	(1,637)	(1,348)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax		71
Change in the Fair Value of Effective Cash Flow Hedges [Member]
Shareowners' Equity
Accumulated other comprehensive loss	[2]	(3)	(3)		$ (6)	$ (3)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at September 30, 2014	[2]	(3)
Other comprehensive income before reclassifications	[2]	(7)
Amounts reclassified from accumulated other comprehensive income	[2]	4
Net current period other comprehensive income	[2]	(3)
Balance at September 30, 2015	[2]	$ (6)	$ (3)

[1] Reclassifications from AOCL to net income related to the amortization of net actuarial losses and prior service credits for the Company's retirement benefit plans and were $71 million ($45 million net of tax), for 2015. The reclassifications are included in the computation of net benefit expense. See Note 11, Retirement Benefits for additional details.

[2] {F|ahBzfndlYmZpbGluZ3MtaHJkcmoLEgZYTUxEb2MiXlhCUkxEb2NHZW5JbmZvOjA3OTQ4NmEwZWQ4NDRlZTM4ZjNmMWYwODUzNzlmMjIyfFRleHRTZWxlY3Rpb246NDcwQ0U0MkI5RThGQTk4MTlBRkRDOEY2MTA4QkZDN0QM}

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Property

12 Months Ended

Sep. 30, 2015

Property, Plant and Equipment, Net [Abstract]

Property

Property

Property is summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Land	$	15		$	15
Buildings and improvements	429			406
Machinery and equipment	1,164			1,135
Information systems software and hardware	406			369
Furniture and fixtures	66			65
Capital leases	58			60
Construction in progress	180			142
Total	2,318			2,192
Less accumulated depreciation	(1,354		)	(1,273		)
Property	$	964		$	919

Property additions acquired by incurring accounts payable, which are reflected as a non-cash transaction in the Company's Consolidated Statement of Cash Flows, were $19 million, $37 million and $19 million at September 30, 2015, 2014 and 2013, respectively.

Property additions acquired by incurring capital leases, which are reflected as non-cash transactions in the Company's Consolidated Statement of Cash Flows were $0 million, $56 million and $0 million at September 30, 2015, 2014 and 2013, respectively.

A portion of the Company's operations are conducted in leased real estate facilities, including both operating and, to a lesser extent, capital leases. Accumulated depreciation relating to assets under capital lease totals $6 million and $2 million as of September 30, 2015 and 2014, respectively. Amortization of assets under capital lease is recorded as depreciation expense. As of September 30, 2015, remaining minimum lease payments for Property under capital leases total $82 million, including $26 million of interest.

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Discontinued Operations and Divestitures (Details) - USD ($) $ in Millions				3 Months Ended	12 Months Ended
	Mar. 10, 2015	Jul. 25, 2014	Nov. 22, 2013	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Discontinued Operations
Proceeds from divestiture of businesses					$ 0	$ 24	$ 0
Gain on sale of business					0	(10)	0
Sales					18	94	136
Income (loss) from discontinued operations before income taxes					(13)	(29)	3
Income tax benefit (expense) from discontinued operations					5	$ 15	$ (1)
ASES [Member]
Discontinued Operations
Proceeds from divestiture of businesses	$ 3
Disposal Group, Including Discontinued Operation, Consideration					$ 4
Gain on sale of business	5
Loss on sale of business, net of tax	$ 3
Datapath [Member]
Discontinued Operations
Proceeds from divestiture of businesses		$ 10
Gain on sale of business		12
Loss on sale of business, net of tax		$ 2
KOSI [Member]
Discontinued Operations
Proceeds from divestiture of businesses			$ 23
Gain on sale of business			$ (10)	$ (10)
Loss on sale of business, net of tax				$ (9)

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Business Segment Information (Narrative) (Details)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Business Segment Information
Percent of Total Sales To U.S. Government	29.00%	30.00%	37.00%

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Receivables, Net

12 Months Ended

Sep. 30, 2015

Receivables [Abstract]

Receivables, Net

Receivables, Net

Receivables, net are summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Billed	$	752		$	758
Unbilled	403			485
Less progress payments	(110		)	(198		)
Total	1,045			1,045
Less allowance for doubtful accounts	(7		)	(12		)
Receivables, net	$	1,038		$	1,033

Receivables expected to be collected beyond the next twelve months are classified as long-term and are included within Other Assets. Total receivables due from the U.S. Government including the Department of Defense and other government agencies, both directly and indirectly through subcontracts, were $286 million and $293 million at September 30, 2015 and 2014, respectively. U.S. Government unbilled receivables, net of progress payments, were $91 million and $122 million at September 30, 2015 and 2014, respectively. Receivables, net due from equity affiliates were $64 million at September 30, 2015.

Unbilled receivables principally represent sales recorded under the percentage-of-completion method of accounting that have not been billed to customers in accordance with applicable contract terms.

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Inventories, Net

12 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Inventories, Net

Inventories, Net

Inventories, net are summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Finished goods	$	216		$	218
Work in process	250			262
Raw materials, parts and supplies	353			361
Less progress payments	(7		)	(8		)
Total	812			833
Pre-production engineering costs	1,012			876
Inventories, net	$	1,824		$	1,709

As of September 30, 2015, pre-production engineering costs related to programs with Bombardier, Airbus and Boeing were $378 million, $255 million, and $173 million, respectively.

Amortization expense for pre-production engineering costs for 2015, 2014 and 2013 was $47 million, $36 million and $25 million, respectively. As of September 30, 2015, the weighted average amortization period remaining for pre-production engineering costs included in Inventories, net was approximately 11 years.

Anticipated annual amortization expense for pre-production engineering costs is as follows:

(in millions)	2016		2017		2018		2019		2020		Thereafter
Anticipated amortization expense for pre-production engineering costs(1)	$	55	$	81	$	106	$	128	$	128	$	487

⁽¹⁾ On October 29, 2015, Bombardier announced the cancellation of the Learjet 85 program. Pre-production engineering costs associated with the Learjet 85 program have been excluded from anticipated amortization expense, as these costs are expected to be recovered through consideration received from Bombardier pursuant to contractual guarantees and not amortized against future hardware deliveries.

In accordance with industry practice, inventories include amounts which are not expected to be realized within one year. These amounts primarily relate to pre-production engineering costs and life-time-buy inventory not expected to be realized within one year of $1.006 billion and $904 million at September 30, 2015 and 2014, respectively. Life-time-buy inventory is inventory that is typically no longer produced by the Company's vendors but for which multiple years of supply are purchased in order to meet production and service requirements over the life span of a product.

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Goodwill and Intangible Assets

12 Months Ended

Sep. 30, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Changes in the carrying amount of goodwill are summarized as follows:

(in millions)	Government Systems			Commercial Systems			Information Management Services			Total
Balance at September 30, 2013	$	513		$	266		$	—		$	779
ARINC acquisition	—			—			1,089			1,089
Reclassification from Commercial Systems to Information Management Services	—			(4		)	4			—
Disposition of Datapath	(1		)	—			—			(1		)
Foreign currency translation adjustments and other	(4		)	—			—			(4		)
Balance at September 30, 2014	508			262			1,093			1,863
ICG acquisition	—			38			—			38
Pacific Avionics acquisition	—			15			—			15
ARINC acquisition adjustment	—			—			(3		)	(3		)
Foreign currency translation adjustments and other	(8		)	(1		)	—			(9		)
Balance at September 30, 2015	$	500		$	314		$	1,090		$	1,904

Beginning in the first quarter of fiscal 2014, the Company created the Information Management Services segment. This segment combines the retained portion of the acquired ARINC business with the Company's existing flight services business, which had previously been included in the Commercial Systems segment. As a result of the reorganization of the Company's segments, a portion of the goodwill from the Commercial Systems segment was reclassified to the Information Management Services segment using a fair value allocation method.

The Company performs an annual impairment test of goodwill and indefinite-lived intangible assets during the second quarter of each fiscal year, or at any time there is an indication goodwill or indefinite-lived intangibles are more-likely-than-not impaired, commonly referred to as triggering events. There have been no such triggering events during any of the periods presented, and the Company's 2015, 2014 and 2013 impairment tests resulted in no impairment.

Intangible assets are summarized as follows:

	September 30, 2015							September 30, 2014
(in millions)	Gross		Accum Amort			Net		Gross		Accum Amort			Net
Intangible assets with finite lives:
Developed technology and patents	$	346	$	(195	)	$	151	$	322	$	(178	)	$	144
Backlog	5		(2		)	3		5		(1		)	4
Customer relationships:
Acquired	338		(87		)	251		336		(67		)	269
Up-front sales incentives	301		(62		)	239		266		(47		)	219
License agreements	13		(9		)	4		13		(9		)	4
Trademarks and tradenames	15		(14		)	1		15		(14		)	1
Intangible assets with indefinite lives:
Trademarks and tradenames	47		—			47		47		—			47
In process research and development	7		—			7		—		—			—
Intangible assets	$	1,072	$	(369	)	$	703	$	1,004	$	(316	)	$	688

Amortization expense for intangible assets for 2015, 2014 and 2013 was $53 million, $48 million and $28 million, respectively. As of September 30, 2015, the weighted average amortization period remaining for up-front sales incentives was approximately 10 years.

(in millions)	2016		2017		2018		2019		2020		Thereafter
Anticipated amortization expense for up-front sales incentives	$	17	$	18	$	21	$	25	$	25	$	133
Anticipated amortization expense for all other intangible assets	44		40		38		34		32		222
Total	$	61	$	58	$	59	$	59	$	57	$	355

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Goodwill and Intangible Assets (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill impairment loss	$ 0	$ 0	$ 0
Amortization expense	$ 53	$ 48	$ 28
Up-front sales incentives weighted average amortization period remaining, in years	10 years

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Stock-Based Compensation and Earnings Per Share (Narrative) (Details)	12 Months Ended
	Sep. 30, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
Max Performance Shares Earned if Maximum Performance Achieved	240.00%
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period	10 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	3 years
2015 Long-Term Incentives Plan (2015 Plan) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Of Common Stock May Be Issued Under Long Term Incentives Plan And Directors Stock Plan	11,000,000
Shares Each Share Issued Counts Against Authorized Limit	3.55
Shares Available For Future Grant Or Payment Under Long Term Incentives Plan And Directors Stock Plan	10,900,000

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Goodwill and Intangible Assets (Summary of intangible assets) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014
Intangible Assets
Accumulated Amortization	$ (369)	$ (316)
Finite-lived and Indefinite-lived Intangible Assets, Gross	1,072	1,004
Net	703	688
Developed technology and patents [Member]
Intangible Assets
Gross	346	322
Accumulated Amortization	(195)	(178)
Finite-Lived Intangible Assets, Net	151	144
Backlog [Member]
Intangible Assets
Gross	5	5
Accumulated Amortization	(2)	(1)
Finite-Lived Intangible Assets, Net	3	4
Customer relationships: Acquired [Member]
Intangible Assets
Gross	338	336
Accumulated Amortization	(87)	(67)
Finite-Lived Intangible Assets, Net	251	269
Customer relationships: Up-front sales incentives [Member]
Intangible Assets
Gross	301	266
Accumulated Amortization	(62)	(47)
Finite-Lived Intangible Assets, Net	239	219
License Agreements [Member]
Intangible Assets
Gross	13	13
Accumulated Amortization	(9)	(9)
Finite-Lived Intangible Assets, Net	4	4
Trademarks and tradenames [Member]
Intangible Assets
Gross	15	15
Accumulated Amortization	(14)	(14)
Finite-Lived Intangible Assets, Net	1	1
Trademarks and tradenames [Member]
Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	47	$ 47
In Process Research and Development [Member]
Intangible Assets
Indefinite-Lived Intangible Assets (Excluding Goodwill)	$ 7

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Fair Value Measurements (Carrying Amounts and Fair Values of Financial Instruments) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Carrying Amounts and Fair Value of Financial Instruments
Cash and cash equivalents	$ 252	$ 323	$ 391	$ 335
Short-term debt	(448)	(504)
Long-term debt	(1,680)	(1,663)
Carrying Amount [Member]
Carrying Amounts and Fair Value of Financial Instruments
Cash and cash equivalents	252	323
Short-term debt	(448)	(504)
Long-term debt	(1,646)	(1,645)
Fair Value [Member]
Carrying Amounts and Fair Value of Financial Instruments
Cash and cash equivalents	252	323
Short-term debt	(448)	(504)
Long-term debt	$ (1,750)	$ (1,747)

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Property (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Property
Property, Total	$ 2,318	$ 2,192
Less accumulated depreciation	(1,354)	(1,273)
Property	964	919	$ 773
Property additions in accounts payable	19	37	19
Property additions acquired by incurring capital leases	0	56	$ 0
Remaining minimum lease payments under capital lease	82
Remaining minimum interest payments under capital lease	26
Land [Member]
Property
Property, Total	15	15
Building and Building Improvements [Member]
Property
Property, Total	429	406
Machinery and Equipment [Member]
Property
Property, Total	1,164	1,135
Information Systems Software and Hardware [Member]
Property
Property, Total	406	369
Furniture and Fixtures [Member]
Property
Property, Total	66	65
Capital Lease Obligations [Member]
Property
Property, Total	58	60
Less accumulated depreciation	(6)	(2)
Construction in Progress [Member]
Property
Property, Total	$ 180	$ 142

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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Income Taxes
Valuation Allowance, Amount	$ 42	$ 43	$ 11	$ 19
U.S. taxable income over the past three years	$ 1,509
Statute of Limitations, Range, Minimum (in years)	3 years
Statute of Limitations, Range, Maximum (in years)	5 years
Provision for Income Taxes related to Undistributed Earnings of Foreign Subsidiaries	$ 0
Undistributed Earnings Of Foreign Subsidiaries	539
Income tax payments, net	182	182	106
Unrecognized tax benefits that, if recognized, would impact the effective income tax rate	11	25	34
Accrued Income tax penalties and interest	1	1
Interest and penalties expense (income)	0	$ (1)	$ 0
Minimum [Member]
Income Taxes
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	0
Maximum [Member]
Income Taxes
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit	$ 13

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Significant Accounting Policies (Policies)

12 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Consolidation

Consolidation

The consolidated financial statements include the accounts of the Company and all majority-owned subsidiaries. The Company has one consolidated subsidiary with income attributable to a noncontrolling interest. The net income and comprehensive income attributable to the noncontrolling interest is insignificant. The Company's investments in entities it does not control but over which it has the ability to exercise significant influence are accounted for under the equity method and are included in Other Assets. All intercompany transactions are eliminated.

Foreign Currency Translation and Transactions

Foreign Currency Translation and Transactions

The functional currency for significant subsidiaries operating outside the United States is typically their respective local currency. Assets and liabilities of subsidiaries operating outside the United States with a functional currency other than the U.S. dollar are translated into U.S. dollars using the exchange rate at the balance sheet date. Sales, costs and expenses are translated at the average exchange rates in effect during the period. Foreign currency translation gains and losses are included as a component of Accumulated other comprehensive loss within the Consolidated Statements of Comprehensive Income and Equity.

Foreign exchange transaction gains and losses due to the remeasurement of account balances in foreign currencies are included within the Consolidated Statement of Operations and were not material to the Company's results of operations for 2015, 2014 and 2013.

Revenue Recognition

Revenue Recognition

The Company enters into sales arrangements that may provide for multiple deliverables to a customer. The Company identifies all goods and/or services that are to be delivered separately under a sales arrangement and allocates revenue to each deliverable based on relative fair values. Fair values are generally established based on the prices charged when sold separately by the Company. In general, revenues are separated between hardware, engineering services, maintenance services and installation services. The allocated revenue for each deliverable is then recognized using appropriate revenue recognition methods.

Sales related to long-term contracts requiring development and delivery of products over several years are generally accounted for under the percentage-of-completion method of accounting in accordance with the Construction-Type and Production-Type Contracts subtopic of the Financial Accounting Standards Board (FASB) Accounting Standards Codification. The percentage-of-completion method is predominately used in the Government Systems segment and sales and earnings under qualifying contracts are recorded either as products are shipped under the units-of-delivery method (for production effort), or based on the ratio of actual costs incurred to total estimated costs expected to be incurred related to the contract under the cost-to-cost method (for development effort). Purchase options and change orders are accounted for either as an integral part of the original contract or separately depending upon the nature and value of the item. Sales and costs related to profitable purchase options are included in estimates only when the options are exercised whereas sales and costs related to unprofitable purchase options are included in estimates when exercise is determined to be probable. Sales related to change orders are included in estimates only if they can be reliably estimated and collectability is reasonably assured. Anticipated losses on contracts are recognized in full in the period in which losses become probable and estimable. Changes in estimates of profit or loss on contracts are included in earnings on a cumulative basis in the period the estimate is changed.

Sales related to long-term separately priced product maintenance or warranty contracts are accounted for based on the terms of the underlying agreements. Certain contracts are fixed-price contracts with sales recognized ratably over the contractual life, while other contracts have a fixed hourly rate with sales recognized based on actual labor or flight hours incurred. The cost of providing these services is expensed as incurred.

The Company recognizes sales for most other products or services when all of the following criteria are met: an agreement of sale exists, product delivery and acceptance has occurred or services have been rendered, pricing is fixed or determinable and collection is reasonably assured.

Cash and Cash Equivalents

Cash and Cash Equivalents

Cash and cash equivalents include time deposits, certificates of deposit with original maturity dates of three months or less and money market funds.

Allowance for Doubtful Accounts

Allowance for Doubtful Accounts

Allowances are established in order to report receivables at net realizable value on the Company's Consolidated Statement of Financial Position. The determination of these allowances requires management of the Company to make estimates and judgments as to the collectability of customer account balances. The allowance for doubtful accounts reflects our best estimate of probable losses inherent in the accounts receivable balance. We determine the allowance based on known troubled accounts, historical experience and other currently available evidence.

Inventories

Inventories

Inventories are stated at the lower of cost or market using costs which approximate the first-in, first-out method, less related progress payments received. Inventoried costs include direct costs of manufacturing, certain engineering costs and allocable overhead costs. The Company regularly compares inventory quantities on hand on a part level basis to estimated forecasts of product demand and production requirements as well as historical usage. Based on these comparisons, management establishes an excess and obsolete inventory reserve as needed. Inventory valuation reserves were $87 million and $91 million at September 30, 2015 and 2014, respectively.

The Company defers certain pre-production engineering costs during the development phase of a program in connection with long-term supply arrangements that contain contractual guarantees for reimbursement from customers. Such customer guarantees generally take the form of a minimum order quantity with quantified reimbursement amounts if the minimum order quantity is not taken by the customer. These costs are deferred to the extent of the contractual guarantees and are amortized over their estimated useful lives using a units-of-delivery method, up to 15 years. This amortization expense is included as a component of cost of sales. Amortization is based on the Company’s expectation of delivery rates on a program-by-program basis and begins when the Company starts recognizing revenue as the Company delivers equipment for the program. The estimated useful life is limited to the amount of time the Company is virtually assured to earn revenues under long-term supply arrangements with the Company’s customers. Pre-production engineering costs incurred pursuant to supply arrangements that do not contain customer guarantees for reimbursement are expensed as incurred.

Progress Payments

Progress Payments

Progress payments relate to both receivables and inventories and represent cash collected from government-related contracts whereby the governments have a legal right of offset related to the receivable or legal title to the work-in-process inventory.

Property

Property

Property is stated at acquisition cost, net of accumulated depreciation. Depreciation of property is generally provided using straight-line methods over the following estimated useful lives: buildings and improvements, 10-40 years; machinery and equipment (including internally developed software and other costs associated with the expansion and construction of ARINC's network-related assets), 3-15 years; information systems software and hardware, 3-10 years; and furniture and fixtures, 5-15 years. Depreciation methods and lives are reviewed periodically with any changes recorded on a prospective basis.

Significant renewals and betterments are capitalized and replaced units are written off. Maintenance and repairs, as well as renewals of minor amounts, are charged to expense in the period incurred. The fair value of liabilities associated with the retirement of property is recorded when there is a legal or contractual requirement to incur such costs and the costs can be reasonably estimated. Upon the initial recognition of a contractual or legal liability for an asset retirement obligation, the Company capitalizes the asset retirement cost by increasing the carrying amount of the property by the same amount as the liability. This asset retirement cost is then depreciated over the estimated useful life of the underlying property. The Company did not have any significant asset retirement obligations at September 30, 2015 and 2014.

Goodwill and Intangible Assets

Goodwill and Intangible Assets

Goodwill and intangible assets generally result from business acquisitions. The purchase price of the acquisition is assigned to tangible and intangible assets and liabilities assumed based on fair value. The excess of the purchase price over the amounts assigned is recorded as goodwill. Assets acquired and liabilities assumed are allocated to the Company's reporting units based on the Company's integration plans and internal reporting structure. As of September 30, 2015 the Company had six reporting units. Purchased intangible assets with finite lives are amortized over their estimated useful lives, ranging from 5-23 years. Goodwill and intangible assets with indefinite lives are not amortized, but are reviewed at least annually for impairment.

Customer Incentives

Customer Relationship Up-Front Sales Incentives

The Company provides up-front sales incentives prior to delivering products or performing services to certain commercial customers in connection with sales contracts. Up-front sales incentives are recorded as a Customer relationship intangible asset and are amortized using a units-of-delivery method over the period the Company has received a contractually enforceable right related to the incentives, up to 15 years after entry into service. Amortization is based on the Company’s expectation of delivery rates on a program-by-program basis. Amortization begins when the Company starts recognizing revenue as the Company delivers equipment for the program. Up-front sales incentives consisting of cash payments or customer account credits are amortized as a reduction of sales, whereas incentives consisting of free products are amortized as cost of sales.

Accrued Customer Incentives

Incentives earned by customers based on purchases of Company products or services are recognized as a liability when the related sale is recorded. Incentives consisting of cash payments or customer account credits are recognized as a reduction of sales, while incentives consisting of free products and account credits where the customer's use is restricted to future purchases are recognized as cost of sales.

Impairment of Long-Lived Assets

Impairment of Long-Lived Assets

Long-lived assets are reviewed for impairment when management plans to dispose of assets or when events or circumstances indicate that the carrying amount of a long-lived asset is more-likely-than-not unrecoverable. Assets held for disposal are reported at the lower of the carrying amount or fair value less cost to sell. Management determines fair value using a discounted future cash flow analysis or other accepted valuation techniques. Long-lived assets held for use are reviewed for impairment by comparing the carrying amount of an asset to the undiscounted future cash flows expected to be generated by the asset over its remaining useful life. If an asset is considered to be impaired, the impairment to be recognized is measured as the amount by which the carrying amount of the asset exceeds its fair value.

Goodwill and indefinite-lived intangible assets are tested annually for impairment with more frequent tests performed if indications of impairment exist. The Company's annual impairment testing date is in the second quarter of each fiscal year. Impairment for intangible assets with indefinite lives exists if the carrying value of the intangible asset exceeds its fair value. Goodwill is potentially impaired if the carrying value of a reporting unit exceeds its estimated fair value. As of September 30, 2015, the Company hadsixreporting units.

Advance Payments From Customers

Advance Payments from Customers

Advance payments from customers represent cash collected from customers in advance of revenue recognition.

Capital Leases

Capital Leases

Assets under capital lease and capital lease obligation are initially measured at the lower of estimated fair value or present value of the minimum lease payments. The present value of minimum lease payments is calculated for payments during the noncancelable lease term using the lower of the Company's estimated incremental borrowing rate or the rate implicit in the lease, if known. Capital lease obligation is recorded within Other Liabilities and the related assets are recorded in Property or Other Assets based upon their intended use. Payments are allocated between a reduction of the lease obligation and interest expense using the interest method. Assets under capital lease are depreciated over the noncancelable lease term, ranging from 5-15 years, consistent with the Company's depreciation policy.

Research and Development Expense, Policy [Policy Text Block]

Research and Development

The Company performs R&D activities relating to the development of new products and the improvement of existing products. Company-funded R&D programs are expensed as incurred and included in cost of sales. Company-funded R&D expenditures were $272 million, $268 million and $291 million for fiscal years ended September 30, 2015, 2014 and 2013, respectively.

Environmental

Environmental

Liabilities for environmental matters are recorded in the period in which it is probable that an obligation has been incurred and the cost can be reasonably estimated. At environmental sites in which more than one potentially responsible party has been identified, the Company records a liability for its estimated allocable share of costs related to its involvement with the site as well as an estimated allocable share of costs related to the involvement of insolvent or unidentified parties. At environmental sites in which the Company is the only responsible party, the Company records a liability for the total estimated costs of remediation.

Income Taxes

Income Taxes

Current tax liabilities and assets are based upon an estimate of taxes payable or refundable in the current year for each of the jurisdictions in which the Company is subject to tax. As part of the determination of its tax liability, management exercises considerable judgment in evaluating tax positions taken by the Company in determining the income tax provision and establishes reserves for uncertain tax positions in accordance with the Income Taxes topic of the FASB Accounting Standards Codification. Deferred tax assets and liabilities are recorded for the estimated future tax effects attributable to temporary differences between the carrying amounts of assets and liabilities used for financial reporting purposes and their respective carrying amounts for income tax purposes. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion or all of the deferred tax assets will not be realized.

Derivatives Financial Instruments

Derivative Financial Instruments

The Company uses derivative financial instruments in the form of foreign currency forward exchange contracts and interest rate swap contracts for the purpose of minimizing exposure to changes in foreign currency exchange rates on business transactions and interest rates, respectively. The Company's policy is to execute such instruments with banks the Company believes to be creditworthy and not enter into derivative financial instruments for speculative purposes or to manage exposure for net investments in non-U.S. subsidiaries. These derivative financial instruments do not subject the Company to undue risk as gains and losses on these instruments generally offset gains and losses on the underlying assets, liabilities or anticipated transactions that are being hedged.

All derivative financial instruments are recorded at fair value in the Consolidated Statement of Financial Position. For a derivative that has not been designated as an accounting hedge, the change in fair value is recognized immediately through earnings. For a derivative that has been designated as an accounting hedge of an existing asset or liability (a fair value hedge), the change in the fair value of both the derivative and underlying asset or liability is recognized immediately through earnings. For a derivative designated as an accounting hedge of an anticipated transaction (a cash flow hedge), the change in the fair value is recorded on the Consolidated Statement of Financial Position in Accumulated other comprehensive loss to the extent the derivative is effective in mitigating the exposure related to the anticipated transaction. The change in the fair value related to the ineffective portion of the hedge, if any, is immediately recognized in earnings. The amount recorded within Accumulated other comprehensive loss is reclassified into earnings in the same period during which the underlying hedged transaction affects earnings. The Company does not exclude any amounts from the measure of effectiveness for both fair value and cash flow hedges.

Use of Estimates

Use of Estimates

The financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States of America, which require management to make estimates and assumptions that affect the amounts reported in the financial statements. Actual results could differ from those estimates. Estimates are used in accounting for, among other items, long-term contracts, allowances for doubtful accounts, inventory obsolescence, product warranty cost liabilities, customer incentives, retirement benefits, income taxes, environmental matters, pre-production engineering costs, recoverability of long-lived assets and contingencies. Estimates and assumptions are reviewed periodically and the effects of changes, if any, are reflected in the Consolidated Statement of Operations in the period they are determined.

Concentration of Risks

Concentration of Risks

The Company's products and services are concentrated within the aerospace and defense industries with customers consisting primarily of military and commercial aircraft manufacturers, commercial airlines and the U.S. Government and non-U.S. governments. As a result of this industry focus, the Company's current and future financial performance is largely dependent upon the overall economic conditions within these industries. In particular, the commercial aerospace market has been historically cyclical and subject to downturns during periods of weak economic conditions, which could be prompted or exacerbated by political or other domestic or international events. The defense market may be affected by changes in budget appropriations, procurement policies, political developments both domestically and abroad and other factors. The Company depends to a large degree on U.S. Government spending, as a significant portion of the Company's sales are derived from U.S. Government contracts, both directly and indirectly through subcontracts.

The U.S. Government continues to face significant fiscal and economic challenges. To address those challenges, the U.S. Government has implemented various initiatives, including measures to reduce its spending levels pursuant to the Budget Control Act (BCA) of 2011. The BCA imposes spending caps and certain reductions in security spending over a ten-year period through 2021. These spending caps and reductions, referred to as sequestration, went into effect in March 2013. In December 2013, the Murray-Ryan Bipartisan Budget Act (BBA) of 2013 was enacted, raising government discretionary spending limits temporarily for 2014 and 2015. More recently, the Bipartisan Budget Act of 2015 again raised the government discretionary spending limits temporarily for 2016 and 2017, after which the BCA will again be in force.

In years when the U.S. Government does not complete its annual budget and appropriations process prior to the beginning of its fiscal year (October 1), government operations are typically funded through a continuing resolution that authorizes agencies of the U.S. Government to continue to operate in the new year, but generally does not authorize new spending initiatives. During periods covered by continuing resolutions (or until the regular appropriation bills are passed), the Company may experience delays by the government in procurement of new or existing products and services which can adversely impact the Company's results of operations and cause variability in the timing of revenue between periods. The government began operations in fiscal year 2016 under a continuing resolution that is set to expire in December 2015. The Company remains confident that our product offerings are well positioned to meet the needs of our government customers in this uncertain environment and the Company continues to enhance our international strategies and make proactive adjustments to the Company's cost structure as necessary.

While management believes the Company's product offerings are well positioned to meet the needs of its U.S. Government customers, the impact of sequestration and continuing resolutions could have a material adverse effect on the Company's results of operations, financial position or cash flows and on the defense industry in general.

In addition to the overall business risks associated with the Company's concentration within the aerospace and defense industries, the Company is also exposed to a concentration of collection risk on credit extended to business jet aircraft manufacturers. At September 30, 2015, accounts receivable due from business jet aircraft manufacturers were approximately $148 million. The Company performs ongoing credit evaluations on the financial condition of all of its customers and maintains allowances for uncollectible accounts receivable based on expected collectability. Although management believes its allowances are adequate, the Company is not able to predict with certainty the changes in the financial stability of its customers. Any material change in the financial status of any one customer or group of customers could have a material adverse effect on the Company's results of operations, financial position or cash flows.

Recently Adopted and Issued Accounting Standards

Recently Adopted Accounting Standards

In April 2015, the Financial Accounting Standards Board (FASB) issued a new standard that provides a practical expedient permitting entities with a fiscal year end that does not coincide with a month end to measure defined benefit plan assets and obligations using the month end date closest to the fiscal year end. The new standard was early adopted by the Company for each of its defined benefit plans effective for the 2015 fiscal year end with no significant impact to the Company's financial statements.

Recently Issued Accounting Standards

In May 2014, the FASB issued a comprehensive new revenue recognition standard that effectively replaces all current guidance on the topic and expands disclosures regarding revenue. The guidance permits use of either a retrospective or cumulative effect transition method. The new standard, as amended, is effective for the Company in fiscal 2019, with early adoption permitted in fiscal 2018. The Company is currently evaluating the transition methods allowed under the new standard and the effect the standard will have on the Company's consolidated financial statements and related disclosures. Given the new standard's impact on business processes, systems and internal controls, analysis of the new guidance will likely extend over several future periods.

In April 2014, the FASB issued guidance that modifies the criteria used to qualify divestitures for classification as discontinued operations and expands disclosures related to disposals of significant components. The amendment will become effective for the Company in fiscal 2016. The amended guidance is expected to decrease the likelihood that future disposals will qualify for discontinued operations treatment, meaning that the results of operations of some future disposals may be reported in continuing operations.

Other new accounting standards issued but not effective until after September 30, 2015 are not expected to have a material impact on the Company's financial statements.

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Contractual Obligations and Other Commitments (Tables)

12 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Schedule of Contractual Obligations and Other Commitments

The following table reflects certain of the Company's non-cancelable contractual commitments as of September 30, 2015:

	Payments Due By Period
(in millions)	2016		2017		2018		2019		2020		Thereafter		Total
Non-cancelable operating leases	$	59	$	49	$	40	$	31	$	25	$	126	$	330
Purchase contracts	45		23		18		19		9		24		138
Long-term debt	—		300		—		300		—		1,050		1,650
Interest on long-term debt	59		58		58		58		42		515		790
Total	$	163	$	430	$	116	$	408	$	76	$	1,715	$	2,908

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Stock-Based Compensation and Earnings Per Share

12 Months Ended

Sep. 30, 2015

Stock Based Compensation and Earnings Per Share Abstract

Stock-Based Compensation and Earnings Per Share

Stock-Based Compensation and Earnings Per Share

Stock-Based Compensation Program Description

In February 2015, the Company's shareholders approved the Company's 2015 Long-Term Incentives Plan (2015 Plan), replacing the 2006 Long Term Incentives Plan (2006 Plan). Under the 2015 Plan, up to 11 million shares of common stock may be issued by the Company as non-qualified options, performance units, performance shares, stock appreciation rights, restricted shares, and restricted stock units. Each share issued pursuant to an award of restricted shares, restricted stock units, performance shares and performance units counts as 3.55 shares against the authorized limit. Shares available for future grant or payment under these plans were 10.9 million at September 30, 2015. All remaining shares not issued under the 2006 plan are void as awards will no longer be granted under the 2006 Plan and no shares were transfered from the 2006 Plan to the 2015 Plan.

Options to purchase common stock of the Company have been granted under various incentive plans to directors, officers and other key employees. All of the Company's stock-based incentive plans require options to be granted at prices equal to or above the fair market value of the common stock on the dates the options are granted. The plans provide that the option price for certain options granted under the plans may be paid by the employee in cash, shares of common stock or a combination thereof. Certain option awards provide for accelerated vesting if there is a change in control. Stock options generally expire 10 years from the date they are granted and generally vest ratably over three years.

The Company utilizes performance shares, restricted stock and restricted stock units that generally cliff vest at the end of three years. The fair value of restricted stock and restricted stock units is estimated using the closing share price on the day of grant. The number of performance shares that will ultimately be issued is based on achievement of performance targets over a three-year period that considers cumulative sales growth and return on sales with an additional potential adjustment up or down depending on the Company's total return to shareowners compared to a group of peer companies. The fair value of performance shares is estimated using a Monte Carlo model that considers the likelihood of a payout adjustment for the total shareowner return in comparison to the peer group. Up to 240 percent of the performance shares the Company grants can be earned if maximum performance is achieved.

The Company's stock-based compensation awards are designed to align management's interests with those of the Company's shareowners and to reward outstanding Company performance. The Company has an ongoing share repurchase plan and expects to satisfy stock option exercises and stock award issuances from treasury stock.

Stock-based compensation expense is recognized on a straight-line basis over the requisite service period. Total stock-based compensation expense and related income tax benefit included within the Consolidated Statement of Operations for 2015, 2014 and 2013 is as follows:

(in millions)	2015		2014		2013
Stock-based compensation expense included in:
Product cost of sales	$	7	$	7	$	6
Selling, general and administrative expenses	17		17		14
Total	$	24	$	24	$	20
Income tax benefit	$	8	$	8	$	7

General Option Information

The following summarizes the activity of the Company's stock options for 2015:

	Shares (in thousands)		Weighted Average Exercise Price		Weighted Average Remaining Life (in years)	Aggregate Intrinsic Value (in millions)
Outstanding at September 30, 2014	4,320		$	54.18
Granted	562		83.81
Exercised	(1,094	)	46.02
Forfeited or expired	(89	)	57.06
Outstanding at September 30, 2015	3,699		$	61.02	5.9	$	79
Vested or expected to vest (1)	3,688		$	60.97	5.8	$	79
Exercisable at September 30, 2015	2,548		$	55.01	4.7	$	69

⁽¹⁾ Represents outstanding options reduced by expected forfeitures

	2015		2014		2013
Weighted-average fair value per share of options granted	$	19.59	$	18.60	$	12.81
Intrinsic value of options exercised (in millions) (2)	$	48	$	26	$	43

⁽²⁾ Represents the amount by which the stock price exceeded the exercise price of the options on the date of the exercise

The total fair value of options vested was $10 million, $10 million and $10 million during the years ended September 30, 2015, 2014 and 2013, respectively. Total unrecognized compensation expense for options that have not vested as of September 30, 2015 is $8 million and will be recognized over a weighted average period of 0.9 years.

Stock Option Fair Value Information

The Company's determination of the fair value of option awards on the date of grant using an option-pricing model is affected by the Company's stock price as well as assumptions regarding a number of subjective variables. These assumptions include, but are not limited to: the Company's expected stock price volatility, the projected employee stock option exercise term, the expected dividend yield and the risk-free interest rate. Changes in these assumptions can materially affect the estimated value of the stock options.

The fair value of each option granted by the Company was estimated using a binomial lattice pricing model and the following weighted average assumptions:

	2015 Grants		2014 Grants		2013 Grants
Risk-free interest rate	0.5% - 2.6%		0.3% - 3.0%		0.3% - 2.9%
Expected dividend yield	1.6	%	1.9	%	2.0	%
Expected volatility	24.0	%	28.0	%	27.0	%
Expected life	7 years		7 years		8 years

The expected life of employee stock options represents the weighted-average period the stock options are expected to remain outstanding. The binomial lattice model assumes that employees' exercise behavior is a function of the option's remaining expected life and the extent to which the option is in-the-money. The binomial lattice model estimates the probability of exercise as a function of these two variables based on the entire history of exercises and forfeitures on all past option grants made by the Company.

Performance Shares, Restricted Stock and Restricted Stock Units Information

The following summarizes the Company's performance shares, restricted stock and restricted stock units for 2015:

	Performance Shares				Restricted Stock			Restricted Stock Units
(shares in thousands)	Shares		Weighted Average Grant Date Fair Value		Shares	Weighted Average Grant Date Fair Value		Shares		Weighted Average Grant Date Fair Value
Nonvested at September 30, 2014	478		$	60.46	23	$	30.24	331		$	58.78
Granted	131		82.76		—	—		72		84.63
Vested	(158	)	55.01		—	—		(57	)	55.01
Forfeited	(13	)	66.78		—	—		(6	)	67.38
Nonvested at September 30, 2015	438		$	68.92	23	$	30.24	340		$	64.34

(in millions)	Performance Shares		Restricted Stock		Restricted Stock Units
Total unrecognized compensation costs at September 30, 2015	$	11	$	—	$	5
Weighted-average life remaining at September 30, 2015, in years	0.9		0		1.0
Weighted-average fair value per share granted in 2014	$	71.63	$	—	$	72.42
Weighted-average fair value per share granted in 2013	$	55.69	$	—	$	56.04

The maximum number of shares of common stock that can be issued in respect of performance shares granted in 2015 based on the achievement of performance targets for 2015 through 2017 is approximately 309,000. The maximum number of shares of common stock that can be issued in respect of performance shares granted in 2014 based on the achievement of performance targets for 2014 through 2016 is approximately 340,000. For purposes of determining the maximum number of shares of common stock that can be issued with respect to the performance shares granted in 2014 and 2015, the maximums have been updated to reflect reductions arising as a result of terminations and retirements. The number of shares of common stock that will be issued in respect of performance shares granted in 2013 based on the achievement of performance targets for 2013 through 2015 is approximately 129,000.

Earnings Per Share and Diluted Share Equivalents

The computation of basic and diluted earnings per share is as follows:

(in millions, except per share amounts)	2015			2014			2013
Numerator for basic and diluted earnings per share:
Income from continuing operations	$	694		$	618		$	630
Income (loss) from discontinued operations, net of taxes	(8		)	(14		)	2
Net income	$	686		$	604		$	632
Denominator:
Denominator for basic earnings per share – weighted average common shares	132.3			135.1			136.5
Effect of dilutive securities:
Stock options	1.0			1.2			1.2
Performance shares, restricted stock and restricted stock units	0.4			0.4			0.4
Dilutive potential common shares	1.4			1.6			1.6
Denominator for diluted earnings per share – adjusted weighted average shares and assumed conversion	133.7			136.7			138.1
Earnings (loss) per share:
Basic
Continuing operations	$	5.25		$	4.57		$	4.62
Discontinued operations	(0.06		)	(0.10		)	0.01
Basic earnings per share	$	5.19		$	4.47		$	4.63
Diluted
Continuing operations	$	5.19		$	4.52		$	4.56
Discontinued operations	(0.06		)	(0.10		)	0.02
Diluted earnings per share	$	5.13		$	4.42		$	4.58

The average outstanding diluted shares calculation excludes options with an exercise price that exceeds the average market price of shares during the period. Stock options excluded from the average outstanding diluted shares calculation were 0.0 million, 0.0 million and 0.4 million in 2015, 2014 and 2013, respectively.

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Quarterly Financial Information (Unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended								9 Months Ended	12 Months Ended
	Nov. 22, 2013	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014		Sep. 30, 2013
Condensed Income Statements, Captions [Line Items]
Sales		$ 1,384	$ 1,293	$ 1,341	$ 1,226	$ 1,402	$ 1,264	$ 1,259	$ 1,054		$ 5,244	$ 4,979		$ 4,474
Gross profit (total sales less product and service cost of sales)		436	405	404	369	428	387	378	317		1,614	1,510
Income from continuing operations		184	178	163	169	173	163	148	134		694	618		630
Income (loss) from discontinued operations, net of taxes		0	0	(6)	(2)	(6)	(5)	0	(3)		(8)	(14)		2
Net income		$ 184	178	$ 157	167	167	$ 158	$ 148	$ 131		686	604		632
Tax Benefit from Retroactive Reinstatement of Federal Research and Development Tax Credit					$ 22
Additions for tax positions of prior years			$ 14								6	1		3
ARINC transaction costs											0	13	[1]	2	[1]
Gain from business divestiture											$ 0	$ 10		$ 0
Pension Settlement and Restructuring Charges, net of taxes						6
Pension Settlement and Restructuring Charges						$ 9
Basic Earnings per Share
Continuing operations		$ 1.40	$ 1.35	$ 1.23	$ 1.28	$ 1.28	$ 1.21	$ 1.09	$ 0.99		$ 5.25	$ 4.57		$ 4.62
Discontinued operations		0.00	0.00	(0.04)	(0.02)	(0.04)	(0.04)	0.00	(0.02)		(0.06)	(0.10)		0.01
Basic earnings per share		1.40	1.35	1.19	1.26	1.24	1.17	1.09	0.97		5.19	4.47		4.63
Diluted Earnings per Share
Continuing operations		1.38	1.33	1.22	1.26	1.27	1.19	1.08	0.98		5.19	4.52		4.56
Discontinued operations		0.00	0.00	(0.05)	(0.02)	(0.04)	(0.04)	0.00	(0.02)		(0.06)	(0.10)		0.02
Diluted earnings per share		$ 1.38	$ 1.33	$ 1.17	$ 1.24	$ 1.23	$ 1.15	$ 1.08	$ 0.96		$ 5.13	$ 4.42		$ 4.58
ARINC [Member]
Condensed Income Statements, Captions [Line Items]
Sales										$ 421	$ 576
Net income										$ 31	$ 63
ARINC transaction costs, net of taxes									$ 11
ARINC transaction costs									15			$ 16		$ 3
KOSI [Member]
Condensed Income Statements, Captions [Line Items]
Gain (loss) on sale of business, net of tax									9
Gain from business divestiture	$ 10								$ 10

[1] During the years ended September 30, 2014, and September 30, 2013, the Company incurred $3 million and $1 million, respectively, of bridge facility fees related to the acquisition of ARINC. These costs are included in interest expense; therefore total transaction costs related to the acquisition of ARINC during these periods were $16 million and $3 million, respectively.

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Guarantees and Indemnifications

12 Months Ended

Sep. 30, 2015

Guarantees and Indemnifications Abstract

Guarantees and Indemnifications

Guarantees and Indemnifications

Product warranty costs

Accrued liabilities are recorded to reflect the Company’s contractual obligations relating to warranty commitments to customers. Warranty coverage of various lengths and terms is provided to customers depending on standard offerings and negotiated contractual agreements. An estimate for warranty expense is recorded at the time of sale based on the length of the warranty and historical warranty return rates and repair costs.

Changes in the carrying amount of accrued product warranty costs are summarized as follows:

	September 30
(in millions)	2015			2014			2013
Balance at beginning of year	$	104		$	121		$	126
Warranty costs incurred	(46		)	(47		)	(46		)
Product warranty accrual	42			46			48
Changes in estimates for prior years	(10		)	(15		)	(7		)
Increase from acquisitions	1			—			—
Foreign currency translation adjustments and other	(2		)	(1		)	—
Balance at September 30	$	89		$	104		$	121

Guarantees

The Company provides a parent company guarantee related to various obligations of its 50 percent owned joint venture, Quest Flight Training Limited (Quest). The Company has guaranteed, jointly and severally with Quadrant Group plc (Quadrant), the other joint venture partner, the performance of Quest in relation to its contract with the United Kingdom Ministry of Defence (which expires in 2030) and the performance of certain Quest subcontractors (up to $2 million). In addition, the Company has also pledged equity shares in Quest to guarantee payment by Quest of a loan agreement executed by Quest. In the event of default on this loan agreement, the lending institution can request that the trustee holding such equity shares surrender them to the lending institution in order to satisfy all amounts then outstanding under the loan agreement. As of September 30, 2015, the outstanding loan balance was approximately $3 million. Quadrant has made an identical pledge to guarantee this obligation of Quest.

Should Quest fail to meet its obligations under these agreements, these guarantees may become a liability of the Company. As of September 30, 2015, the Quest guarantees are not reflected on the Company’s Consolidated Statement of Financial Position because the Company believes that Quest will meet all of its performance and financial obligations in relation to its contract with the United Kingdom Ministry of Defence and the loan agreement.

Letters of credit

The Company has contingent commitments in the form of letters of credit. Outstanding letters of credit are issued by banks on the Company’s behalf to support certain contractual obligations to its customers. If the Company fails to meet these contractual obligations, these letters of credit may become liabilities of the Company. Total outstanding letters of credit at September 30, 2015 were $252 million. These commitments are not reflected as liabilities on the Company’s Consolidated Statement of Financial Position.

Indemnifications

The Company enters into indemnifications with lenders, counterparties in transactions such as administration of employee benefit plans and other customary indemnifications with third parties in the normal course of business. The following are other than customary indemnifications based on the judgment of management:

The Company became an independent, publicly held company on June 29, 2001, when Rockwell International Corporation (Rockwell), renamed Rockwell Automation Inc., spun off its former avionics and communications business and certain other assets and liabilities of Rockwell by means of a distribution of all the Company’s outstanding shares of common stock to the shareowners of Rockwell in a tax-free spin-off (the spin-off). In connection with the spin-off, the Company may be required to indemnify certain insurers against claims made by third parties in connection with the Company’s legacy insurance policies.

In connection with agreements for the sale of portions of its business, the Company at times retains various liabilities of a business that relate to events occurring prior to its sale, such as tax, environmental, litigation and employment matters. The Company at times indemnifies the purchaser of a Rockwell Collins business in the event that a third party asserts a claim that relates to a liability retained by the Company.

The Company also provides indemnifications of varying scope and amounts to certain customers against claims of product liability or intellectual property infringement made by third parties arising from the use of Company or customer products or intellectual property. These indemnifications generally require the Company to compensate the other party for certain damages and costs incurred as a result of third party product liability or intellectual property claims arising from these transactions.

The amount the Company could be required to pay under its indemnification agreements is generally limited based on amounts specified in the underlying agreements, or in the case of some agreements, the maximum potential amount of future payments that could be required is not limited. When a potential claim is asserted under these agreements, the Company considers such factors as the degree of probability of an unfavorable outcome and the ability to make a reasonable estimate of the amount of loss. A liability is recorded when a potential claim is both probable and estimable. The nature of these agreements prevents the Company from making a reasonable estimate of the maximum potential amount it could be required to pay should counterparties to these agreements assert a claim; however, the Company currently has no material claims pending related to such agreements.

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Income Taxes (Net Long-Term Deferred Income Tax Benefits (Liabilities) Temporary Differences) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014
Income Tax Disclosure [Abstract]
Retirement benefits	$ 487	$ 346
Intangibles	(177)	(183)
Capital lease liability	21	22
Property	(154)	(151)
Stock-based compensation	30	29
Deferred compensation	15	13
Capital loss carryover	42	43
Valuation allowance	(34)	(33)
Other	7	14
Long-term deferred income taxes, net	$ 237	$ 100

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Derivative Financial Instruments (Tables)

12 Months Ended

Sep. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Fair Value of Derivative Instruments in Condensed Consolidated Statement of Financial Position

Fair values of derivative instruments in the Consolidated Statement of Financial Position as of September 30, 2015 and September 30, 2014 are as follows:

		Asset Derivatives
(in millions)	Classification	September 30, 2015		September 30, 2014
Foreign currency forward exchange contracts	Other current assets	$	7	$	6
Interest rate swaps	Other assets	34		18
Total		$	41	$	24

		Liability Derivatives
(in millions)	Classification	September 30, 2015		September 30, 2014
Foreign currency forward exchange contracts	Other current liabilities	$	11	$	9
Total		$	11	$	9

Effect of Derivative Instruments on the Condensed Consolidated Statement of Operations

The effect of derivative instruments on the Consolidated Statement of Operations for the fiscal years ended September 30, 2015 and 2014 is as follows:

		Amount of Gain (Loss)
(in millions)	Location of Gain (Loss)	September 30, 2015			September 30, 2014
Derivatives Designated as Hedging Instruments:
Fair Value Hedges
Interest rate swaps	Interest expense	$	11		$	8
Cash Flow Hedges
Foreign currency forward exchange contracts:
Amount of gain (loss) recognized in AOCL (effective portion, before deferred tax impact)	AOCL	$	(10	)	$	—
Amount of gain (loss) reclassified from AOCL into income	Cost of sales	(6		)	(1		)
Forward starting interest rate swaps:
Amount of gain (loss) recognized in AOCL (effective portion, before deferred tax impact)	AOCL	—			3
Derivatives Not Designated as Hedging Instruments:
Foreign currency forward exchange contracts	Cost of sales	(8		)	(1		)

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Derivative Financial Instruments (Effect of Derivative Instruments) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2015	Sep. 30, 2014
Cost of Sales [Member]
Derivative Financial Instruments
Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments		$ (8)	$ (1)
Fair Value Hedging [Member] | Interest Expense [Member]
Derivative Financial Instruments
Gain (loss) recognized from interest rate swaps		11	8
Cash Flow Hedging [Member] | Cost of Sales [Member]
Derivative Financial Instruments
Amount of gain (loss) reclassified from AOCL into income		(6)	(1)
Cash Flow Hedging [Member] | AOCL [Member]
Derivative Financial Instruments
Amount of gain (loss) recognized in AOCL (effective portion, before deferred tax impact)		(10)	0
Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net	$ 2	$ 0	$ 3

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Other Assets (Tables)

12 Months Ended

Sep. 30, 2015

Other Assets [Abstract]

Other Assets

Other assets are summarized as follows:

(in millions)	September 30, 2015		September 30, 2014
Long-term receivables	$	109	$	84
Investments in equity affiliates	13		8
Exchange and rental assets (net of accumulated depreciation of $97 at September 30, 2015 and $94 at September 30, 2014)	66		61
Other	156		135
Other assets	$	344	$	288

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Contractual Obligations and Other Commitments (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Non-cancelable operating leases
2016	$ 59
2017	49
2018	40
2019	31
2020	25
Thereafter	126
Total	330
Purchase contracts
2016	45
2017	23
2018	18
2019	19
2020	9
Thereafter	24
Total	138
Long-term debt
2016	0
2017	300
2018	0
2019	300
2020	0
Thereafter	1,050
Total	1,650
Interest on long-term debt
2016	59
2017	58
2018	58
2019	58
2020	42
Thereafter	515
Total	790
Total
2016	163
2017	430
2018	116
2019	408
2020	76
Thereafter	1,715
Total	2,908
Rent Expense	73	$ 65	$ 67
Amounts purchased under purchase contracts	$ 50	$ 38	$ 45

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Consolidated Statement of Comprehensive Income Statement - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 686	$ 604	$ 632
Unrealized foreign currency translation adjustments	(41)	(27)	2
Pension and other retirement benefits adjustments (net of taxes: 2015, $169; 2014, $29; 2013, $(191))	(289)	(55)	326
Foreign currency cash flow hedge adjustments (net of taxes: 2015, $(1); 2014, $1; 2013, $(2))	(3)	3	(8)
Comprehensive income	$ 353	$ 525	$ 952

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Stock-Based Compensation and Earnings Per Share (Stock Option Fair Value Information) (Details)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Stock Based Compensation and Earnings Per Share Abstract
Risk Free Interest Rate, Minimum	0.50%	0.30%	0.30%
Risk Free Interest Rate, Maximum	2.60%	3.00%	2.90%
Expected dividend yield	1.60%	1.90%	2.00%
Expected volatility	24.00%	28.00%	27.00%
Expected life	7 years	7 years	8 years

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Significant Accounting Policies

12 Months Ended

Sep. 30, 2015

Accounting Policies [Abstract]

Significant Accounting Policies

Significant Accounting Policies

Consolidation

The consolidated financial statements include the accounts of the Company and all majority-owned subsidiaries. The Company has one consolidated subsidiary with income attributable to a noncontrolling interest. The net income and comprehensive income attributable to the noncontrolling interest is insignificant. The Company's investments in entities it does not control but over which it has the ability to exercise significant influence are accounted for under the equity method and are included in Other Assets. All intercompany transactions are eliminated.

Foreign Currency Translation and Transactions

The functional currency for significant subsidiaries operating outside the United States is typically their respective local currency. Assets and liabilities of subsidiaries operating outside the United States with a functional currency other than the U.S. dollar are translated into U.S. dollars using the exchange rate at the balance sheet date. Sales, costs and expenses are translated at the average exchange rates in effect during the period. Foreign currency translation gains and losses are included as a component of Accumulated other comprehensive loss within the Consolidated Statements of Comprehensive Income and Equity.

Foreign exchange transaction gains and losses due to the remeasurement of account balances in foreign currencies are included within the Consolidated Statement of Operations and were not material to the Company's results of operations for 2015, 2014 and 2013.

Revenue Recognition

The Company enters into sales arrangements that may provide for multiple deliverables to a customer. The Company identifies all goods and/or services that are to be delivered separately under a sales arrangement and allocates revenue to each deliverable based on relative fair values. Fair values are generally established based on the prices charged when sold separately by the Company. In general, revenues are separated between hardware, engineering services, maintenance services and installation services. The allocated revenue for each deliverable is then recognized using appropriate revenue recognition methods.

Sales related to long-term contracts requiring development and delivery of products over several years are generally accounted for under the percentage-of-completion method of accounting in accordance with the Construction-Type and Production-Type Contracts subtopic of the Financial Accounting Standards Board (FASB) Accounting Standards Codification. The percentage-of-completion method is predominately used in the Government Systems segment and sales and earnings under qualifying contracts are recorded either as products are shipped under the units-of-delivery method (for production effort), or based on the ratio of actual costs incurred to total estimated costs expected to be incurred related to the contract under the cost-to-cost method (for development effort). Purchase options and change orders are accounted for either as an integral part of the original contract or separately depending upon the nature and value of the item. Sales and costs related to profitable purchase options are included in estimates only when the options are exercised whereas sales and costs related to unprofitable purchase options are included in estimates when exercise is determined to be probable. Sales related to change orders are included in estimates only if they can be reliably estimated and collectability is reasonably assured. Anticipated losses on contracts are recognized in full in the period in which losses become probable and estimable. Changes in estimates of profit or loss on contracts are included in earnings on a cumulative basis in the period the estimate is changed.

Sales related to long-term separately priced product maintenance or warranty contracts are accounted for based on the terms of the underlying agreements. Certain contracts are fixed-price contracts with sales recognized ratably over the contractual life, while other contracts have a fixed hourly rate with sales recognized based on actual labor or flight hours incurred. The cost of providing these services is expensed as incurred.

The Company recognizes sales for most other products or services when all of the following criteria are met: an agreement of sale exists, product delivery and acceptance has occurred or services have been rendered, pricing is fixed or determinable and collection is reasonably assured.

Cash and Cash Equivalents

Cash and cash equivalents include time deposits, certificates of deposit with original maturity dates of three months or less and money market funds.

Allowance for Doubtful Accounts

Allowances are established in order to report receivables at net realizable value on the Company's Consolidated Statement of Financial Position. The determination of these allowances requires management of the Company to make estimates and judgments as to the collectability of customer account balances. The allowance for doubtful accounts reflects our best estimate of probable losses inherent in the accounts receivable balance. We determine the allowance based on known troubled accounts, historical experience and other currently available evidence.

Inventories

Inventories are stated at the lower of cost or market using costs which approximate the first-in, first-out method, less related progress payments received. Inventoried costs include direct costs of manufacturing, certain engineering costs and allocable overhead costs. The Company regularly compares inventory quantities on hand on a part level basis to estimated forecasts of product demand and production requirements as well as historical usage. Based on these comparisons, management establishes an excess and obsolete inventory reserve as needed. Inventory valuation reserves were $87 million and $91 million at September 30, 2015 and 2014, respectively.

The Company defers certain pre-production engineering costs during the development phase of a program in connection with long-term supply arrangements that contain contractual guarantees for reimbursement from customers. Such customer guarantees generally take the form of a minimum order quantity with quantified reimbursement amounts if the minimum order quantity is not taken by the customer. These costs are deferred to the extent of the contractual guarantees and are amortized over their estimated useful lives using a units-of-delivery method, up to 15 years. This amortization expense is included as a component of cost of sales. Amortization is based on the Company’s expectation of delivery rates on a program-by-program basis and begins when the Company starts recognizing revenue as the Company delivers equipment for the program. The estimated useful life is limited to the amount of time the Company is virtually assured to earn revenues under long-term supply arrangements with the Company’s customers. Pre-production engineering costs incurred pursuant to supply arrangements that do not contain customer guarantees for reimbursement are expensed as incurred.

Progress Payments

Progress payments relate to both receivables and inventories and represent cash collected from government-related contracts whereby the governments have a legal right of offset related to the receivable or legal title to the work-in-process inventory.

Property

Property is stated at acquisition cost, net of accumulated depreciation. Depreciation of property is generally provided using straight-line methods over the following estimated useful lives: buildings and improvements, 10-40 years; machinery and equipment (including internally developed software and other costs associated with the expansion and construction of ARINC's network-related assets), 3-15 years; information systems software and hardware, 3-10 years; and furniture and fixtures, 5-15 years. Depreciation methods and lives are reviewed periodically with any changes recorded on a prospective basis.

Significant renewals and betterments are capitalized and replaced units are written off. Maintenance and repairs, as well as renewals of minor amounts, are charged to expense in the period incurred. The fair value of liabilities associated with the retirement of property is recorded when there is a legal or contractual requirement to incur such costs and the costs can be reasonably estimated. Upon the initial recognition of a contractual or legal liability for an asset retirement obligation, the Company capitalizes the asset retirement cost by increasing the carrying amount of the property by the same amount as the liability. This asset retirement cost is then depreciated over the estimated useful life of the underlying property. The Company did not have any significant asset retirement obligations at September 30, 2015 and 2014.

Goodwill and Intangible Assets

Goodwill and intangible assets generally result from business acquisitions. The purchase price of the acquisition is assigned to tangible and intangible assets and liabilities assumed based on fair value. The excess of the purchase price over the amounts assigned is recorded as goodwill. Assets acquired and liabilities assumed are allocated to the Company's reporting units based on the Company's integration plans and internal reporting structure. As of September 30, 2015 the Company had six reporting units. Purchased intangible assets with finite lives are amortized over their estimated useful lives, ranging from 5-23 years. Goodwill and intangible assets with indefinite lives are not amortized, but are reviewed at least annually for impairment.

Customer Relationship Up-Front Sales Incentives

The Company provides up-front sales incentives prior to delivering products or performing services to certain commercial customers in connection with sales contracts. Up-front sales incentives are recorded as a Customer relationship intangible asset and are amortized using a units-of-delivery method over the period the Company has received a contractually enforceable right related to the incentives, up to 15 years after entry into service. Amortization is based on the Company’s expectation of delivery rates on a program-by-program basis. Amortization begins when the Company starts recognizing revenue as the Company delivers equipment for the program. Up-front sales incentives consisting of cash payments or customer account credits are amortized as a reduction of sales, whereas incentives consisting of free products are amortized as cost of sales.

Accrued Customer Incentives

Incentives earned by customers based on purchases of Company products or services are recognized as a liability when the related sale is recorded. Incentives consisting of cash payments or customer account credits are recognized as a reduction of sales, while incentives consisting of free products and account credits where the customer's use is restricted to future purchases are recognized as cost of sales.

Impairment of Long-Lived Assets

Long-lived assets are reviewed for impairment when management plans to dispose of assets or when events or circumstances indicate that the carrying amount of a long-lived asset is more-likely-than-not unrecoverable. Assets held for disposal are reported at the lower of the carrying amount or fair value less cost to sell. Management determines fair value using a discounted future cash flow analysis or other accepted valuation techniques. Long-lived assets held for use are reviewed for impairment by comparing the carrying amount of an asset to the undiscounted future cash flows expected to be generated by the asset over its remaining useful life. If an asset is considered to be impaired, the impairment to be recognized is measured as the amount by which the carrying amount of the asset exceeds its fair value.

Goodwill and indefinite-lived intangible assets are tested annually for impairment with more frequent tests performed if indications of impairment exist. The Company's annual impairment testing date is in the second quarter of each fiscal year. Impairment for intangible assets with indefinite lives exists if the carrying value of the intangible asset exceeds its fair value. Goodwill is potentially impaired if the carrying value of a reporting unit exceeds its estimated fair value. As of September 30, 2015, the Company hadsixreporting units.

Advance Payments from Customers

Advance payments from customers represent cash collected from customers in advance of revenue recognition.

Capital Leases

Assets under capital lease and capital lease obligation are initially measured at the lower of estimated fair value or present value of the minimum lease payments. The present value of minimum lease payments is calculated for payments during the noncancelable lease term using the lower of the Company's estimated incremental borrowing rate or the rate implicit in the lease, if known. Capital lease obligation is recorded within Other Liabilities and the related assets are recorded in Property or Other Assets based upon their intended use. Payments are allocated between a reduction of the lease obligation and interest expense using the interest method. Assets under capital lease are depreciated over the noncancelable lease term, ranging from 5-15 years, consistent with the Company's depreciation policy.

Research and Development

The Company performs R&D activities relating to the development of new products and the improvement of existing products. Company-funded R&D programs are expensed as incurred and included in cost of sales. Company-funded R&D expenditures were $272 million, $268 million and $291 million for fiscal years ended September 30, 2015, 2014 and 2013, respectively.

Environmental

Liabilities for environmental matters are recorded in the period in which it is probable that an obligation has been incurred and the cost can be reasonably estimated. At environmental sites in which more than one potentially responsible party has been identified, the Company records a liability for its estimated allocable share of costs related to its involvement with the site as well as an estimated allocable share of costs related to the involvement of insolvent or unidentified parties. At environmental sites in which the Company is the only responsible party, the Company records a liability for the total estimated costs of remediation.

Income Taxes

Current tax liabilities and assets are based upon an estimate of taxes payable or refundable in the current year for each of the jurisdictions in which the Company is subject to tax. As part of the determination of its tax liability, management exercises considerable judgment in evaluating tax positions taken by the Company in determining the income tax provision and establishes reserves for uncertain tax positions in accordance with the Income Taxes topic of the FASB Accounting Standards Codification. Deferred tax assets and liabilities are recorded for the estimated future tax effects attributable to temporary differences between the carrying amounts of assets and liabilities used for financial reporting purposes and their respective carrying amounts for income tax purposes. Deferred tax assets are reduced by a valuation allowance when, in the opinion of management, it is more likely than not that some portion or all of the deferred tax assets will not be realized.

Derivative Financial Instruments

The Company uses derivative financial instruments in the form of foreign currency forward exchange contracts and interest rate swap contracts for the purpose of minimizing exposure to changes in foreign currency exchange rates on business transactions and interest rates, respectively. The Company's policy is to execute such instruments with banks the Company believes to be creditworthy and not enter into derivative financial instruments for speculative purposes or to manage exposure for net investments in non-U.S. subsidiaries. These derivative financial instruments do not subject the Company to undue risk as gains and losses on these instruments generally offset gains and losses on the underlying assets, liabilities or anticipated transactions that are being hedged.

All derivative financial instruments are recorded at fair value in the Consolidated Statement of Financial Position. For a derivative that has not been designated as an accounting hedge, the change in fair value is recognized immediately through earnings. For a derivative that has been designated as an accounting hedge of an existing asset or liability (a fair value hedge), the change in the fair value of both the derivative and underlying asset or liability is recognized immediately through earnings. For a derivative designated as an accounting hedge of an anticipated transaction (a cash flow hedge), the change in the fair value is recorded on the Consolidated Statement of Financial Position in Accumulated other comprehensive loss to the extent the derivative is effective in mitigating the exposure related to the anticipated transaction. The change in the fair value related to the ineffective portion of the hedge, if any, is immediately recognized in earnings. The amount recorded within Accumulated other comprehensive loss is reclassified into earnings in the same period during which the underlying hedged transaction affects earnings. The Company does not exclude any amounts from the measure of effectiveness for both fair value and cash flow hedges.

Use of Estimates

The financial statements of the Company have been prepared in accordance with accounting principles generally accepted in the United States of America, which require management to make estimates and assumptions that affect the amounts reported in the financial statements. Actual results could differ from those estimates. Estimates are used in accounting for, among other items, long-term contracts, allowances for doubtful accounts, inventory obsolescence, product warranty cost liabilities, customer incentives, retirement benefits, income taxes, environmental matters, pre-production engineering costs, recoverability of long-lived assets and contingencies. Estimates and assumptions are reviewed periodically and the effects of changes, if any, are reflected in the Consolidated Statement of Operations in the period they are determined.

Concentration of Risks

The Company's products and services are concentrated within the aerospace and defense industries with customers consisting primarily of military and commercial aircraft manufacturers, commercial airlines and the U.S. Government and non-U.S. governments. As a result of this industry focus, the Company's current and future financial performance is largely dependent upon the overall economic conditions within these industries. In particular, the commercial aerospace market has been historically cyclical and subject to downturns during periods of weak economic conditions, which could be prompted or exacerbated by political or other domestic or international events. The defense market may be affected by changes in budget appropriations, procurement policies, political developments both domestically and abroad and other factors. The Company depends to a large degree on U.S. Government spending, as a significant portion of the Company's sales are derived from U.S. Government contracts, both directly and indirectly through subcontracts.

The U.S. Government continues to face significant fiscal and economic challenges. To address those challenges, the U.S. Government has implemented various initiatives, including measures to reduce its spending levels pursuant to the Budget Control Act (BCA) of 2011. The BCA imposes spending caps and certain reductions in security spending over a ten-year period through 2021. These spending caps and reductions, referred to as sequestration, went into effect in March 2013. In December 2013, the Murray-Ryan Bipartisan Budget Act (BBA) of 2013 was enacted, raising government discretionary spending limits temporarily for 2014 and 2015. More recently, the Bipartisan Budget Act of 2015 again raised the government discretionary spending limits temporarily for 2016 and 2017, after which the BCA will again be in force.

In years when the U.S. Government does not complete its annual budget and appropriations process prior to the beginning of its fiscal year (October 1), government operations are typically funded through a continuing resolution that authorizes agencies of the U.S. Government to continue to operate in the new year, but generally does not authorize new spending initiatives. During periods covered by continuing resolutions (or until the regular appropriation bills are passed), the Company may experience delays by the government in procurement of new or existing products and services which can adversely impact the Company's results of operations and cause variability in the timing of revenue between periods. The government began operations in fiscal year 2016 under a continuing resolution that is set to expire in December 2015. The Company remains confident that our product offerings are well positioned to meet the needs of our government customers in this uncertain environment and the Company continues to enhance our international strategies and make proactive adjustments to the Company's cost structure as necessary.

While management believes the Company's product offerings are well positioned to meet the needs of its U.S. Government customers, the impact of sequestration and continuing resolutions could have a material adverse effect on the Company's results of operations, financial position or cash flows and on the defense industry in general.

In addition to the overall business risks associated with the Company's concentration within the aerospace and defense industries, the Company is also exposed to a concentration of collection risk on credit extended to business jet aircraft manufacturers. At September 30, 2015, accounts receivable due from business jet aircraft manufacturers were approximately $148 million. The Company performs ongoing credit evaluations on the financial condition of all of its customers and maintains allowances for uncollectible accounts receivable based on expected collectability. Although management believes its allowances are adequate, the Company is not able to predict with certainty the changes in the financial stability of its customers. Any material change in the financial status of any one customer or group of customers could have a material adverse effect on the Company's results of operations, financial position or cash flows.

As of September 30, 2015, approximately 10 percent of the Company's employees in the U.S. were represented by U.S. collective bargaining agreements, most of which were renewed without disruption in May 2013 and are generally set to expire in 2017 and 2018.

Recently Adopted Accounting Standards

In April 2015, the Financial Accounting Standards Board (FASB) issued a new standard that provides a practical expedient permitting entities with a fiscal year end that does not coincide with a month end to measure defined benefit plan assets and obligations using the month end date closest to the fiscal year end. The new standard was early adopted by the Company for each of its defined benefit plans effective for the 2015 fiscal year end with no significant impact to the Company's financial statements.

Recently Issued Accounting Standards

In May 2014, the FASB issued a comprehensive new revenue recognition standard that effectively replaces all current guidance on the topic and expands disclosures regarding revenue. The guidance permits use of either a retrospective or cumulative effect transition method. The new standard, as amended, is effective for the Company in fiscal 2019, with early adoption permitted in fiscal 2018. The Company is currently evaluating the transition methods allowed under the new standard and the effect the standard will have on the Company's consolidated financial statements and related disclosures. Given the new standard's impact on business processes, systems and internal controls, analysis of the new guidance will likely extend over several future periods.

In April 2014, the FASB issued guidance that modifies the criteria used to qualify divestitures for classification as discontinued operations and expands disclosures related to disposals of significant components. The amendment will become effective for the Company in fiscal 2016. The amended guidance is expected to decrease the likelihood that future disposals will qualify for discontinued operations treatment, meaning that the results of operations of some future disposals may be reported in continuing operations.

Other new accounting standards issued but not effective until after September 30, 2015 are not expected to have a material impact on the Company's financial statements.

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Acquisitions Proforma Results (Details) - ARINC [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Acquisitions
Sales	$ 5,244	$ 5,085	$ 4,980
Net income attributable to common shareowners from continuing operations	$ 694	$ 624	$ 636
Basic earnings per share from continuing operations	$ 5.25	$ 4.62	$ 4.66
Diluted earnings per share from continuing operations	$ 5.19	$ 4.56	$ 4.61

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Retirement Benefits (Benefit Payments) (Details) $ in Millions	Sep. 30, 2015 USD ($)
Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
2016	$ 224
2017	227
2018	232
2019	238
2020	242
2021-2025	1,248
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure
2016	15
2017	15
2018	17
2019	17
2020	17
2021-2025	$ 78

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Guarantees and Indemnifications (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Guarantees and Indemnifications
Balance at beginning of year	$ 104	$ 121	$ 126
Warranty costs incurred	(46)	(47)	(46)
Product warranty accrual	42	46	48
Changes in estimates for prior years	(10)	(15)	(7)
Increase from acquisitions	1
Foreign currency translation adjustments and other	(2)	(1)	0
Balance at September 30	$ 89	$ 104	$ 121
Ownership Percentage	50.00%
Outstanding letters of credit	$ 252
Quest Guarantee [Member]
Guarantees and Indemnifications
Ownership Percentage	50.00%
Quest performance guarantee	$ 2
Outstanding Quest loan balance	$ 3

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Other Assets (Summary of other assets) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Other Assets [Abstract]
Long-term receivables	$ 109	$ 84
Investments in equity affiliates	13	8	$ 22
Exchange and rental assets (net of accumulated depreciation of $97 at September 30, 2015 and $94 at September 30, 2014)	66	61
Other	156	135
Other assets	344	288
Accumulated depreciation, exchange and rental assets	$ 97	$ 94

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Contractual Obligations and Other Commitments

12 Months Ended

Sep. 30, 2015

Commitments and Contingencies Disclosure [Abstract]

Contractual Obligations and Other Commitments

Contractual Obligations and Other Commitments

The following table reflects certain of the Company's non-cancelable contractual commitments as of September 30, 2015:

	Payments Due By Period
(in millions)	2016		2017		2018		2019		2020		Thereafter		Total
Non-cancelable operating leases	$	59	$	49	$	40	$	31	$	25	$	126	$	330
Purchase contracts	45		23		18		19		9		24		138
Long-term debt	—		300		—		300		—		1,050		1,650
Interest on long-term debt	59		58		58		58		42		515		790
Total	$	163	$	430	$	116	$	408	$	76	$	1,715	$	2,908

Non-cancelable Operating Leases

The Company leases certain office and manufacturing facilities as well as certain machinery and equipment under various lease contracts with terms that meet the accounting definition of operating leases. Some leases include renewal options, which permit extensions of the expiration dates at rates approximating fair market rental rates. Rent expense for the years ended September 30, 2015, 2014 and 2013 was $73 million, $65 million and $67 million, respectively. The Company's commitments under these operating leases, in the form of non-cancelable future lease payments, are not reflected as a liability on the Consolidated Statement of Financial Position.

Purchase Contracts

The Company may enter into purchase contracts with suppliers under which there is a commitment to buy a minimum amount of products or pay a specified amount. These commitments are not reflected as a liability on the Company's Consolidated Statement of Financial Position. Amounts purchased under these agreements for the years ended September 30, 2015, 2014 and 2013 were $50 million, $38 million and $45 million, respectively.

Interest on Long-term Debt

Interest payments under long-term debt obligations exclude the potential effects of the related interest rate swap contracts.

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Debt (Summary of long-term debt and a reconciliation to the carrying amount) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2013
Long-term Debt
Fair value, swap adjustment	$ 34	$ 18
Total	1,680	1,663
Interest Paid	54	47	$ 28
2043 Notes [Member] | Unsecured Notes [Member]
Long-term Debt
Principal amount of notes	398	398
2023 Notes [Member] | Unsecured Notes [Member]
Long-term Debt
Principal amount of notes	399	399
2021 Notes [Member] | Unsecured Notes [Member]
Long-term Debt
Principal amount of notes	250	249
2019 Notes [Member] | Unsecured Notes [Member]
Long-term Debt
Principal amount of notes	299	299
2016 Notes [Member] | Unsecured Notes [Member]
Long-term Debt
Principal amount of notes	$ 300	$ 300

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Inventories, Net (Tables)

12 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventories

Inventories, net are summarized as follows:

(in millions)	September 30, 2015			September 30, 2014
Finished goods	$	216		$	218
Work in process	250			262
Raw materials, parts and supplies	353			361
Less progress payments	(7		)	(8		)
Total	812			833
Pre-production engineering costs	1,012			876
Inventories, net	$	1,824		$	1,709

Schedule of Pre-Production Engineering Expected Amortization

Anticipated annual amortization expense for pre-production engineering costs is as follows:

(in millions)	2016		2017		2018		2019		2020		Thereafter
Anticipated amortization expense for pre-production engineering costs(1)	$	55	$	81	$	106	$	128	$	128	$	487

⁽¹⁾ On October 29, 2015, Bombardier announced the cancellation of the Learjet 85 program. Pre-production engineering costs associated with the Learjet 85 program have been excluded from anticipated amortization expense, as these costs are expected to be recovered through consideration received from Bombardier pursuant to contractual guarantees and not amortized against future hardware deliveries.

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Shareowners' Equity

12 Months Ended

Sep. 30, 2015

Stockholders' Equity Note [Abstract]

Shareowners' Equity

Shareowners' Equity

Common Stock

The Company is authorized to issue one billion shares of common stock, par value $0.01 per share, and 25 million shares of preferred stock, without par value.

Treasury Stock

The Company repurchased shares of its common stock as follows:

(in millions)	2015		2014		2013
Amount of share repurchases	$	325	$	206	$	569
Number of shares repurchased	3.8		2.7		9.8

At September 30, 2015, the Company was authorized to repurchase an additional $380 million of outstanding stock under the Company's share repurchase program.

Accumulated Other Comprehensive Loss

Accumulated other comprehensive loss (AOCL) consists of the following:

	September 30
(in millions)	2015			2014			2013
Unamortized pension and other retirement benefits (net of taxes of $952 for 2015, $783 for 2014 and $754 for 2013)	$	(1,637	)	$	(1,348	)	$	(1,293	)
Foreign currency translation adjustment	(56		)	(15		)	12
Foreign currency cash flow hedge adjustment	(6		)	(3		)	(6		)
Accumulated other comprehensive loss	$	(1,699	)	$	(1,366	)	$	(1,287	)

Changes in accumulated other comprehensive loss (AOCL), net of tax, by component are as follows:

	Foreign Exchange Translation Adjustment			Pension and Other Postretirement Adjustments (1)			Change in the Fair Value of Effective Cash Flow Hedges			Total
Balance at September 30, 2014	$	(15	)	$	(1,348	)	$	(3	)	$	(1,366	)
Other comprehensive income before reclassifications	(41		)	(334		)	(7		)	(382		)
Amounts reclassified from accumulated other comprehensive income	—			45			4			49
Net current period other comprehensive income	(41		)	(289		)	(3		)	(333		)
Balance at September 30, 2015	$	(56	)	$	(1,637	)	$	(6	)	$	(1,699	)

⁽¹⁾ Reclassifications from AOCL to net income related to the amortization of net actuarial losses and prior service credits for the Company's retirement benefit plans and were $71 million ($45 million net of tax), for 2015. The reclassifications are included in the computation of net benefit expense. See Note 11, Retirement Benefits for additional details.

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Fair Value Measurements (Fair Value of Financial Assets and Liabilities Measured on a Recurring Basis) (Details) - USD ($)	12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Fair Value of Assets and Liabilities Measured on Recurring Basis
Transfers between Levels of the fair value hierarchy - 1 asset to 2	$ 0	$ 0
Transfers between Levels of the fair value hierarchy - 2 asset to 1	0	0
Transfers between Levels of the fair value hierarchy - 2 liability to 1	0	0
Transfers between Levels of the fair value hierarchy - 1& 2 asset to 3	0	0
Transfers between Levels of the fair value hierarchy - 2 liability to 3	0	0
Transfers between Levels of the fair value hierarchy - 3 liability to 1 & 2	0	0
Level 1 [Member] | Fair Value, Measurements, Recurring [Member] | Deferred Compensation Plan Investments [Member]
Fair Value of Assets and Liabilities Measured on Recurring Basis
Assets at fair value	50,000,000	50,000,000
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Forward Exchange Contract [Member]
Fair Value of Assets and Liabilities Measured on Recurring Basis
Liabilities at fair value	(11,000,000)	(9,000,000)
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Interest Rate Swap Assets [Member]
Fair Value of Assets and Liabilities Measured on Recurring Basis
Assets at fair value	34,000,000	18,000,000
Level 2 [Member] | Fair Value, Measurements, Recurring [Member] | Foreign Exchange Forward Exchange Contract [Member]
Fair Value of Assets and Liabilities Measured on Recurring Basis
Assets at fair value	7,000,000	6,000,000
Level 3 [Member] | Fair Value, Measurements, Recurring [Member] | Contingent Consideration [Member]
Fair Value of Assets and Liabilities Measured on Recurring Basis
Liabilities at fair value	$ (12,000,000)	$ 0