10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

______________________________________ 

FORM 10-Q

(Mark One)

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

For the Quarterly Period Ended March 31, 2015

OR

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

Commission file number 1-12387

TENNECO INC.

(Exact name of registrant as specified in its charter)

Delaware	76-0515284
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)
500 North Field Drive, Lake Forest, Illinois	60045
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code: (847) 482-5000

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  þ      No  ¨

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 Regulation S-T during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).  Yes  þ      No  ¨

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  þ	Accelerated filer  ¨	Non-accelerated filer  ¨	Smaller reporting company  ¨
		(Do not check if a 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  þ

Indicate the number of shares outstanding of each of the issuer’s classes of common stock as of the latest practicable date.

Common Stock, par value $0.01 per share: 61,360,800 shares outstanding as of May 1, 2015.

TABLE OF CONTENTS

		Page
Part I — Financial Information
Item 1.	Financial Statements (Unaudited)	5
	Tenneco Inc. and Consolidated Subsidiaries —
	Report of Independent Registered Public Accounting Firm	5
	Condensed Consolidated Statements of Income	6
	Condensed Consolidated Statements of Comprehensive Income	7
	Condensed Consolidated Balance Sheets	9
	Condensed Consolidated Statements of Cash Flows	10
	Condensed Consolidated Statements of Changes in Shareholders’ Equity	11
	Notes to Condensed Consolidated Financial Statements	12
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	31
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	47
Item 4.	Controls and Procedures	47
Part II — Other Information
Item 1.	Legal Proceedings	*
Item 1A.	Risk Factors	48
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds	48
Item 3.	Defaults Upon Senior Securities	*
Item 4.	Mine Safety Disclosures	*
Item 5.	Other Information	*
Item 6.	Exhibits	50

* No response to this item is included herein for the reason that it is inapplicable or the answer to such item is negative.

2

CAUTIONARY STATEMENT FOR PURPOSES OF THE “SAFE HARBOR” PROVISIONS OF THE PRIVATE SECURITIES LITIGATION REFORM ACT OF 1995

This Quarterly Report contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995 concerning, among other things, our prospects and business strategies. These forward-looking statements are included in various sections of this report, including the section entitled “Outlook” appearing in Item 2 of this report. The words “may,” “will,” “believe,” “should,” “could,” “plan,” “expect,” “anticipate,” “estimate,” and similar expressions (and variations thereof), identify these forward-looking statements. Although we believe that the expectations reflected in these forward-looking statements are based on reasonable assumptions, these expectations may not prove to be correct. Because these forward-looking statements are also subject to risks and uncertainties, actual results may differ materially from the expectations expressed in the forward-looking statements. Important factors that could cause actual results to differ materially from the expectations reflected in the forward-looking statements include:

• general economic, business and market conditions;

• our ability to source and procure needed materials, components and other products and services in accordance with customer demand and at competitive prices;

• the cost and outcome of existing and any future claims, legal proceedings or investigations, including, but not limited to, any of the foregoing arising in connection with the ongoing global antitrust investigation, product performance, product safety or intellectual property rights;

• changes in capital availability or costs, including increases in our cost of borrowing (i.e., interest rate increases), the amount of our debt, our ability to access capital markets at favorable rates, and the credit ratings of our debt;

• changes in consumer demand, prices and our ability to have our products included on top selling vehicles, including any shifts in consumer preferences away from light trucks, which tend to be higher margin products for our customers and us, to other lower margin vehicles, for which we may or may not have supply arrangements;

• changes in consumer demand for our automotive, commercial or aftermarket products, or changes in automotive and commercial vehicle manufacturers’ production rates and their actual and forecasted requirements for our products, due to difficult economic conditions, such as the prolonged recession in Europe;

• the overall highly competitive nature of the automobile and commercial vehicle parts industries, and any resultant inability to realize the sales represented by our awarded book of business (which is based on anticipated pricing and volumes over the life of the applicable program);

• the loss of any of our large original equipment manufacturer (“OEM”) customers (on whom we depend for a substantial portion of our revenues), or the loss of market shares by these customers if we are unable to achieve increased sales to other OEMs or any change in customer demand due to delays in the adoption or enforcement of worldwide emissions regulations;

• our ability to successfully execute cash management and other cost reduction plans, including our European cost reduction initiatives, and to realize anticipated benefits from these plans;

• economic, exchange rate and political conditions in the countries where we operate or sell our products;

• industrywide strikes, labor disruptions at our facilities or any labor or other economic disruptions at any of our significant customers or suppliers or any of our customers’ other suppliers;

• increases in the costs of raw materials, including our ability to successfully reduce the impact of any such cost increases through materials substitutions, cost reduction initiatives, customer recovery and other methods;

• the negative impact of fuel price volatility on transportation and logistics costs, raw material costs, discretionary purchases of vehicles or aftermarket products and demand for off-highway equipment;

• the cyclical nature of the global vehicle industry, including the performance of the global aftermarket sector and the impact of vehicle parts’ longer product lives;

• costs related to product warranties and other customer satisfaction actions;

• the failure or breach of our information technology systems, including the consequences of any misappropriation, exposure or corruption of sensitive information stored on such systems and the interruption to our business that such failure or breach may cause;

• the impact of consolidation among vehicle parts suppliers and customers on our ability to compete;

• changes in distribution channels or competitive conditions in the markets and countries where we operate, including the impact of changes in distribution channels for aftermarket products on our ability to increase or maintain aftermarket sales;

• customer acceptance of new products;

• new technologies that reduce the demand for certain of our products or otherwise render them obsolete;

3

• our ability to introduce new products and technologies that satisfy customers' needs in a timely fashion;

• our ability to realize our business strategy of improving operating performance;

• our ability to successfully integrate any acquisitions that we complete and effectively manage our joint ventures and other third-party relationships;

• changes by the Financial Accounting Standards Board or the Securities and Exchange Commission of authoritative generally accepted accounting principles or policies;

• changes in accounting estimates and assumptions, including changes based on additional information;

• any changes by the International Organization for Standardization (ISO) or other such committees in their certification protocols for processes and products, which may have the effect of delaying or hindering our ability to bring new products to market;

• the impact of the extensive, increasing and changing laws and regulations to which we are subject, including environmental laws and regulations, which may result in our incurrence of environmental liabilities in excess of the amount reserved;

• the potential impairment in the carrying value of our long-lived assets and goodwill or our deferred tax assets;

• potential volatility in our effective tax rate;

• natural disasters, such as the 2011 earthquake in Japan and flooding in Thailand, and any resultant disruptions in the supply or production of goods or services to us or by us or in demand by our customers;

• acts of war and/or terrorism, as well as actions taken or to be taken by the United States and other governments as a result of further acts or threats of terrorism, and the impact of these acts on economic, financial and social conditions in the countries where we operate; and

• the timing and occurrence (or non-occurrence) of other transactions, events and circumstances which may be beyond our control.

The risks included here are not exhaustive. Refer to “Part I, Item 1A — Risk Factors” in our annual report on Form 10-K for the year ended December 31, 2014 and "Part II, Item 1A — Risk Factors” of this Form 10-Q for further discussion regarding our exposure to risks. Additionally, new risk factors emerge from time to time and it is not possible for us to predict all such risk factors, nor to assess the impact such risk factors might have on our business or the extent to which any factor or combination of factors may cause actual results to differ materially from those contained in any forward-looking statements. Given these risks and uncertainties, investors should not place undue reliance on forward-looking statements as a prediction of actual results.

4

PART I.

FINANCIAL INFORMATION

ITEM 1.FINANCIAL STATEMENTS (UNAUDITED)

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Board of Directors and Shareholders of Tenneco Inc.:

We have reviewed the accompanying condensed consolidated balance sheet of Tenneco Inc. and its subsidiaries as of March 31, 2015, and the related condensed consolidated statements of income, comprehensive income, and cash flows for the three month periods ended March 31, 2015 and 2014 and changes in shareholders' equity for the three months ended March 31, 2015 and 2014. These interim financial statements are the responsibility of the Company’s management.

We conducted our review in accordance with the standards of the Public Company Accounting Oversight Board (United States). A review of interim financial information consists principally of applying analytical procedures and making inquiries of persons responsible for financial and accounting matters. It is substantially less in scope than an audit conducted in accordance with the standards of the Public Company Accounting Oversight Board (United States), the objective of which is the expression of an opinion regarding the financial statements taken as a whole. Accordingly, we do not express such an opinion.

Based on our review, we are not aware of any material modifications that should be made to the accompanying condensed consolidated interim financial statements for them to be in conformity with accounting principles generally accepted in the United States of America.

We previously audited, in accordance with the standards of the Public Company Accounting Oversight Board (United States), the consolidated balance sheet as of December 31, 2014, and the related consolidated statements of income, comprehensive income, cash flows and changes in shareholders’ equity for the year then ended (not presented herein), and in our report dated February 25, 2015, we expressed an unqualified opinion on those consolidated financial statements. As discussed in notes 3 and 11 to the accompanying condensed consolidated interim financial statements, the Company changed its method of accounting for the presentation of debt issuance costs. The accompanying December 31, 2014 condensed consolidated balance sheet reflects this change.

/s/ PricewaterhouseCoopers LLP

Milwaukee, Wisconsin

May 5, 2015

The “Report of Independent Registered Public Accounting Firm” included above is not a “report” or “part of a Registration Statement” prepared or certified by an independent accountant within the meaning of Sections 7 and 11 of the Securities Act of 1933, and the accountants’ Section 11 liability does not extend to such report.

5

TENNECO INC.

CONDENSED CONSOLIDATED STATEMENTS OF INCOME

(Unaudited)

	Three Months Ended March 31, 2015			Three Months Ended March 31, 2014
	(Millions Except Share and Per Share Amounts)
Revenues
Net sales and operating revenues	$	2,023		$	2,094
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,686			1,754
Engineering, research, and development	41			42
Selling, general, and administrative	125			132
Depreciation and amortization of other intangibles	50			51
	1,902			1,979
Other expense
Loss on sale of receivables	(1		)	(1		)
Other	—			(1		)
	(1		)	(2		)
Earnings before interest expense, income taxes, and noncontrolling interests	120			113
Interest expense (net of interest capitalized of $1 million for both three months ended March 31, 2015 and 2014, respectively)	16			19
Earnings before income taxes and noncontrolling interests	104			94
Income tax expense	41			40
Net income	63			54
Less: Net income attributable to noncontrolling interests	14			8
Net income attributable to Tenneco Inc.	$	49		$	46
Earnings per share
Weighted average shares of common stock outstanding —
Basic	61,044,908			60,549,778
Diluted	61,593,087			61,503,302
Basic earnings per share of common stock	0.81			0.76
Diluted earnings per share of common stock	0.80			0.75

The accompanying notes to the condensed consolidated financial statements are an integral

part of these condensed consolidated statements of income.

6

TENNECO INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	For the Three Months Ended March 31, 2015
	Tenneco Inc.						Noncontrolling Interests				Total
	Accumulated Other Comprehensive Income (Loss)			Comprehensive Income (Loss)			Accumulated Other Comprehensive Income (Loss)		Comprehensive Income (Loss)		Accumulated Other Comprehensive Income (Loss)			Comprehensive Income (Loss)
	(Millions)
Net Income				$	49				$	14				$	63
Accumulated Other Comprehensive Income (Loss)
Cumulative Translation Adjustment
Balance January 1	$	(166	)				$	3			$	(163	)
Translation of foreign currency statements	(72		)	(72		)	1		1		(71		)	(71		)
Balance March 31	(238		)				4				(234		)
Additional Liability for Pension and Postretirement Benefits
Balance January 1	(379		)				—				(379		)
Additional Liability for Pension and Postretirement Benefits, net of tax	3			3			—		—		3			3
Balance March 31	(376		)				—				(376		)
Balance March 31	$	(614	)				$	4			$	(610	)
Other Comprehensive Income (Loss)				(69		)			1					(68		)
Comprehensive Income (Loss)				$	(20	)			$	15				$	(5	)

The accompanying notes to the condensed consolidated financial statements are an integral

part of these condensed consolidated statements of comprehensive income.

7

TENNECO INC.

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(Unaudited)

	For the Three Months Ended March 31, 2014
	Tenneco Inc.						Noncontrolling Interests						Total
	Accumulated Other Comprehensive Income (Loss)			Comprehensive Income (Loss)			Accumulated Other Comprehensive Income (Loss)			Comprehensive Income (Loss)			Accumulated Other Comprehensive Income (Loss)			Comprehensive Income (Loss)
	(Millions)
Net Income				$	46					$	8					$	54
Accumulated Other Comprehensive Income (Loss)
Cumulative Translation Adjustment
Balance January 1	$	(61	)				$	5					$	(56	)
Translation of foreign currency statements	(6		)	(6		)	(2		)	(2		)	(8		)	(8		)
Balance March 31	(67		)				3						(64		)
Additional Liability for Pension and Postretirement Benefits
Balance January 1	(299		)				—						(299		)
Additional Liability for Pension and Postretirement Benefits, net of tax	3			3			—			—			3			3
Balance March 31	(296		)				—						(296		)
Balance March 31	$	(363	)				$	3					$	(360	)
Other Comprehensive Loss				(3		)				(2		)				(5		)
Comprehensive Income				$	43					$	6					$	49

The accompanying notes to the condensed consolidated financial statements are an integral

part of these condensed consolidated statements of comprehensive income.

8

TENNECO INC.

CONDENSED CONSOLIDATED BALANCE SHEETS

(Unaudited)

	March 31, 2015			December 31, 2014
	(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$	288		$	282
Restricted cash	—			3
Receivables —
Customer notes and accounts, net	1,231			1,064
Other	21			24
Inventories —
Finished goods	275			272
Work in process	240			221
Raw materials	146			137
Materials and supplies	56			58
Deferred income taxes	78			81
Prepayments and other	279			284
Total current assets	2,614			2,426
Other assets:
Long-term receivables, net	12			12
Goodwill	63			65
Intangibles, net	27			26
Deferred income taxes	152			143
Other	86			93
	340			339
Plant, property, and equipment, at cost	3,365			3,490
Less — Accumulated depreciation and amortization	(2,180		)	(2,272		)
	1,185			1,218
Total Assets	$	4,139		$	3,983
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt (including current maturities of long-term debt)	$	132		$	60
Trade payables	1,391			1,372
Accrued taxes	51			40
Accrued interest	16			3
Accrued liabilities	251			258
Other	59			66
Total current liabilities	1,900			1,799
Long-term debt	1,128			1,042
Deferred income taxes	18			18
Postretirement benefits	324			339
Deferred credits and other liabilities	204			212
Commitments and contingencies
Total liabilities	3,574			3,410
Redeemable noncontrolling interests	43			35
Tenneco Inc. Shareholders’ equity:
Common stock	1			1
Premium on common stock and other capital surplus	3,067			3,059
Accumulated other comprehensive loss	(614		)	(545		)
Retained earnings (accumulated deficit)	(1,646		)	(1,695		)
	808			820
Less — Shares held as treasury stock, at cost	334			323
Total Tenneco Inc. shareholders’ equity	474			497
Noncontrolling interests	48			41
Total equity	522			538
Total liabilities, redeemable noncontrolling interests and equity	$	4,139		$	3,983

The accompanying notes to the condensed consolidated financial statements are an integral

part of these condensed consolidated balance sheets.

9

TENNECO INC.

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(Unaudited)

	Three Months Ended March 31, 2015			Three Months Ended March 31, 2014
	(Millions)
Net income	$	63		$	54
Adjustments to reconcile net income to cash used by operating activities —
Depreciation and amortization of other intangibles	50			51
Deferred income taxes	(6		)	2
Stock-based compensation	6			5
Loss on sale of assets	—			1
Changes in components of working capital —
(Increase) decrease in receivables	(194		)	(234		)
(Increase) decrease in inventories	(59		)	(81		)
(Increase) decrease in prepayments and other current assets	(7		)	(38		)
Increase (decrease) in payables	77			87
Increase (decrease) in accrued taxes	12			5
Increase (decrease) in accrued interest	13			4
Increase (decrease) in other current liabilities	(2		)	13
Changes in long-term assets	2			1
Changes in long-term liabilities	(3		)	(13		)
Other	(2		)	3
Net cash used by operating activities	(50		)	(140		)
Investing Activities
Proceeds from the sale of assets	1			—
Cash payments for plant, property, and equipment	(77		)	(83		)
Cash payments for software related intangible assets	(5		)	(7		)
Changes in restricted cash	3			(1		)
Net cash used by investing activities	(78		)	(91		)
Financing Activities
Issuance (repurchase) of common shares	—			(2		)
Tax benefit from stock-based compensation	3			12
Retirement of long-term debt	(4		)	(3		)
Purchase of common stock under the share repurchase program	(11		)	—
Increase (decrease) in bank overdrafts	(8		)	4
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivable	111			197
Net decrease in short-term borrowings secured by accounts receivable	50			20
Capital contribution from noncontrolling interest partner	—			1
Net cash provided by financing activities	141			229
Effect of foreign exchange rate changes on cash and cash equivalents	(7		)	(6		)
Increase (decrease) in cash and cash equivalents	6			(8		)
Cash and cash equivalents, January 1	282			275
Cash and cash equivalents, March 31 (Note)	$	288		$	267
Supplemental Cash Flow Information
Cash paid during the period for interest	$	4		$	14
Cash paid during the period for income taxes (net of refunds)	—			21
Non-cash Investing and Financing Activities
Period end balance of trade payables for plant, property, and equipment	$	34		$	40

Note: Cash and cash equivalents include highly liquid investments with a maturity of three months or less at the date of purchase.

The accompanying notes to the condensed consolidated financial statements are an integral

part of these condensed consolidated statements of cash flows.

10

TENNECO INC.

CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS’ EQUITY

(Unaudited)

	Three Months Ended March 31,
	2015				2014
	Shares	Amount			Shares	Amount
	(Millions Except Share Amounts)
Tenneco Inc. Shareholders:
Common Stock
Balance January 1	64,454,248	$	1		63,714,728	$	1
Issued pursuant to benefit plans	295,682	—			82,743	—
Stock options exercised	97,097	—			25,595	—
Balance March 31	64,847,027	1			63,823,066	1
Premium on Common Stock and Other Capital Surplus
Balance January 1		3,059				3,014
Premium on common stock issued pursuant to benefit plans		8				15
Balance March 31		3,067				3,029
Accumulated Other Comprehensive Loss
Balance January 1		(545		)		(360		)
Other comprehensive income (loss)		(69		)		(3		)
Balance March 31		(614		)		(363		)
Retained Earnings (Accumulated Deficit)
Balance January 1		(1,695		)		(1,921		)
Net income attributable to Tenneco Inc.		49				46
Balance March 31		(1,646		)		(1,875		)
Less — Common Stock Held as Treasury Stock, at Cost
Balance January 1	3,244,692	323			2,844,692	301
Purchase of common stock through stock repurchase program	192,000	11			—	—
Balance March 31	3,436,692	334			2,844,692	301
Total Tenneco Inc. shareholders’ equity		$	474			$	491
Noncontrolling Interests:
Balance January 1		$	41			$	39
Net income		6				4
Other comprehensive income (loss)		1				(1		)
Balance March 31		$	48			$	42
Total equity		$	522			$	533

The accompanying notes to the condensed consolidated financial statements are an integral

part of these condensed consolidated statements of changes in shareholders’ equity.

11

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS

(Unaudited)

(1) Consolidation and Presentation

As you read the accompanying financial statements you should also read our Annual Report on Form 10-K for the year ended December 31, 2014.

In our opinion, the accompanying unaudited financial statements contain all adjustments (consisting of normal recurring adjustments) necessary to present fairly Tenneco Inc.’s results of operations, comprehensive income, financial position, cash flows, and changes in shareholders’ equity for the periods indicated. We have prepared the unaudited condensed consolidated financial statements pursuant to the rules and regulations of the U.S. Securities and Exchange Commission for interim financial information. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America (U.S. GAAP) for annual financial statements.

Our condensed consolidated financial statements include all majority-owned subsidiaries. We carry investments in 20 percent to 50 percent owned companies in which the Company does not have a controlling interest, as equity method investments, at cost plus equity in undistributed earnings since the date of acquisition and cumulative translation adjustments. We have eliminated all intercompany transactions.

(2) Financial Instruments

The net carrying and estimated fair values of our financial instruments by class at March 31, 2015 and December 31, 2014 were as follows:

	March 31, 2015				December 31, 2014
	Net Carrying Amount		Fair Value		Net Carrying Amount		Fair Value
	(Millions)
Long-term debt (including current maturities)	$	1,129	$	1,194	$	1,044	$	1,106
Instruments with off-balance sheet risk:
Foreign exchange forward contracts:
Asset derivative contracts	—		—		—		—

Asset and Liability Instruments — The fair value of cash and cash equivalents, short and long-term receivables, accounts payable, and short-term debt was considered to be the same as or was not determined to be materially different from the carrying amount.

Long-term Debt — The fair value of our public fixed rate senior notes is based on quoted market prices (level 1). The fair value of our private borrowings under our senior credit facility and other long-term debt instruments is based on the market value of debt with similar maturities, interest rates and risk characteristics (level 2). The fair value of our level 1 debt, as classified in the fair value hierarchy, was $764 million and $759 million at March 31, 2015 and December 31, 2014, respectively. We have classified $385 million and $301 million as level 2 in the fair value hierarchy at March 31, 2015 and December 31, 2014, respectively, since we use valuation inputs that are observable both directly and indirectly. We classified the remaining $45 million and $46 million, consisting of foreign subsidiary debt, as level 3 in the fair value hierarchy at March 31, 2015 and December 31, 2014, respectively.

The fair value hierarchy definition prioritizes the inputs used in measuring fair value into the following levels:

Level 1	—	Quoted prices in active markets for identical assets or liabilities.
Level 2	—	Inputs, other than quoted prices in active markets, that are observable either directly or indirectly.
Level 3	—	Unobservable inputs based on our own assumptions.

Foreign Exchange Forward Contracts — We use derivative financial instruments, principally foreign currency forward purchase and sales contracts with terms of less than one year, to hedge our exposure to changes in foreign currency exchange rates. Our primary exposure to changes in foreign currency rates results from intercompany loans made between affiliates to minimize the need for borrowings from third parties. Additionally, we enter into foreign currency forward purchase and sale contracts to mitigate our exposure to changes in exchange rates on certain intercompany and third-party trade receivables and payables. We manage counter-party credit risk by entering into derivative financial instruments with major financial institutions that can be expected to fully perform under the terms of such agreements. We do not enter into derivative financial instruments

12

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

for speculative purposes. The fair value of our foreign currency forward contracts is based on an internally developed model which incorporates observable inputs including quoted spot rates, forward exchange rates and discounted future expected cash flows utilizing market interest rates with similar quality and maturity characteristics. We record the change in fair value of these foreign exchange forward contracts as part of currency gains (losses) within cost of sales in the condensed consolidated statements of income. The fair value of foreign exchange forward contracts are recorded in prepayments and other current assets or other current liabilities in the condensed consolidated balance sheet. The fair value of our foreign exchange forward contracts was a net liability position of less than $1 million at both March 31, 2015 and December 31, 2014.

The following table summarizes by major currency the notional amounts for foreign currency forward purchase and sale contracts as of March 31, 2015 (all of which mature in 2015):

		Notional Amount in Foreign Currency
		(Millions)
Australian dollars	—Purchase	1
British pounds	—Sell	(46	)
Canadian dollars	—Sell	(20	)
European euro	—Purchase	11
	—Sell	(5	)
South African rand	—Purchase	138
Japanese yen	—Purchase	136
	—Sell	(790	)
U.S. dollars	—Purchase	94
	—Sell	(22	)
Other	—Purchase	1

Guarantees —We have from time to time issued guarantees for the performance of obligations by some of our subsidiaries, and some of our subsidiaries have guaranteed our debt. All of our existing and future material domestic wholly-owned subsidiaries fully and unconditionally guarantee our senior credit facility and our senior notes on a joint and several basis. The arrangement for the senior credit facility is also secured by first-priority liens on substantially all our domestic assets and pledges of up to 66 percent of the stock of certain first-tier foreign subsidiaries. No assets or capital stock secure our senior notes. For additional information, refer to Note 13 of our condensed consolidated financial statements, where we present the Supplemental Guarantor Condensed Consolidating Financial Statements.

We have two performance guarantee agreements in the U.K. between Tenneco Management Europe Limited (“TMEL”) and the two Walker Group Retirement Plans, the Walker Group Employee Benefit Plan and the Walker Group Executive Retirement Benefit Plan (the “Walker Plans”), whereby TMEL will guarantee the payment of all current and future pension contributions in the event of a payment default by the sponsoring or participating employers of the Walker Plans. The Walker Plans are comprised of employees from Tenneco Walker (U.K.) Limited and our Futaba-Tenneco U.K. joint venture. Employer contributions are funded by both Tenneco Walker (U.K.) Limited, as the sponsoring employer and Futaba-Tenneco U.K., as a participating employer. The performance guarantee agreements are expected to remain in effect until all pension obligations for the Walker Plans’ sponsoring and participating employers have been satisfied. The maximum amount payable for these pension performance guarantees that is not attributable to Tenneco is approximately $8 million as of March 31, 2015 which is determined by taking 105 percent of the liability of the Walker Plans calculated under section 179 of the U.K. Pension Act of 2004 offset by plan assets multiply by ownership percent attributable to Futaba-Tenneco U.K. We did not record an additional liability for this performance guarantee since Tenneco Walker (U.K.) Limited, as the sponsoring employer of the Walker Plans, already recognizes 100 percent of the pension obligation calculated based on U.S. GAAP, for all of the Walker Plans’ participating employers on its balance sheet, which was $15 million and $17 million at March 31, 2015 and December 31, 2014, respectively. At March 31, 2015, all pension contributions under the Walker Plans were current for all of the Walker Plans’ sponsoring and participating employers.

In June 2011, we entered into an indemnity agreement between TMEL and Futaba Industrial Co. Ltd. which requires Futaba to indemnify TMEL for any cost, loss or liability which TMEL may incur under the performance guarantee agreements relating to the Futaba-Tenneco U.K. joint venture. The maximum amount reimbursable by Futaba to TMEL under this indemnity agreement is equal to the amount incurred by TMEL under the performance guarantee agreements multiplied by Futaba’s shareholder ownership percentage of the Futaba-Tenneco U.K. joint venture. At March 31, 2015, the maximum amount reimbursable by Futaba to TMEL is approximately $8 million.

13

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

We have issued letters of credit in connection with some obligations of our affiliates. As of March 31, 2015, we have issued $38 million in letters of credit to support some of our subsidiaries’ insurance arrangements, foreign employee benefit programs, environmental remediation activities and cash management and capital requirements.

Financial Instruments — One of our European subsidiaries receives payment from one of its customers whereby the accounts receivable are satisfied through the early delivery of financial instruments. We may collect these financial instruments before their maturity date by either selling them at a discount or using them to satisfy accounts receivable that have previously been sold to a European bank. Any of these financial instruments which are not sold are classified as other current assets. The amount of these financial instruments that was collected before their maturity date and sold at a discount totaled $1 million at both March 31, 2015 and December 31, 2014. No such financial instruments were held by our European subsidiary as of March 31, 2015 or December 31, 2014.

In certain instances, several of our Chinese subsidiaries receive payments from customers through the receipt of financial instruments on the date the customer payments are due. Several of our Chinese subsidiaries also satisfy vendor payments through the delivery of financial instruments on the date the payments are due. Financial instruments issued to satisfy vendor payables and not redeemed totaled $35 million and $24 million at March 31, 2015 and December 31, 2014, respectively, and were classified as notes payable. Financial instruments received from OE customers and not redeemed totaled $20 million and $17 million at March 31, 2015 and December 31, 2014, respectively. We classify financial instruments received from our customers as other current assets if issued by a financial institution of our customers or as customer notes and accounts, net if issued by our customer. We classified $20 million and $17 million in other current assets at March 31, 2015 and December 31, 2014, respectively. Some of our Chinese subsidiaries that issue their own financial instruments to pay vendors are required to maintain a cash balance if they exceed certain credit limits with the financial institution that guarantees those financial instruments. A restricted cash balance was required at those Chinese subsidiaries at March 31, 2015 for less than $1 million and was not required December 31, 2014.

The financial instruments received by one of our European subsidiaries and some of our Chinese subsidiaries are drafts drawn that are payable at a future date and, in some cases, are negotiable and/or are guaranteed by banks of the customers. The use of these instruments for payment follows local commercial practice. Because certain of such financial instruments are guaranteed by our customers’ banks, we believe they represent a lower financial risk than the outstanding accounts receivable that they satisfy which are not guaranteed by a bank.

Supply Chain Financing — Near the end of the second quarter of 2013 certain of our suppliers in the U.S. extended their payment terms to Tenneco. The liquidity benefit to Tenneco from the extended payment terms totaled $18 million at March 31, 2015. These suppliers also began participating in a supply chain financing program under which they securitize their accounts receivables from Tenneco with two financial institutions. The financial institutions participate in the supply chain financing program on an uncommitted basis and can cease purchasing receivables from Tenneco's suppliers at any time. If the financial institutions did not continue to purchase receivables from Tenneco's suppliers under this program, the participating vendors could reduce their payment terms to Tenneco which in turn would cause our borrowings under our revolving credit facility to increase.

Restricted Cash - Some of our Chinese subsidiaries are required to maintain a cash balance if they exceed credit limits with the financial institution that guarantees the financial instruments issued by Tenneco to pay vendors. At the end of the first quarter of 2015, one of our Chinese subsidiaries exceeded their credit limits and was required to maintain a cash balance. The cash balance required was less than$1 millionwhich has been classified as restricted cash on the Tenneco Inc. consolidated balance sheet atMarch 31, 2015.

(3) Long-Term Debt and Financing Arrangements

Our financing arrangements are primarily provided by a committed senior secured financing arrangement with a syndicate of banks and other financial institutions. The arrangement is secured by substantially all our domestic assets and pledges of up to 66 percent of the stock of certain first-tier foreign subsidiaries, as well as guarantees by our material domestic subsidiaries.

In April 2015, the FASB issued Accounting Standard Update 2015-03, Simplifying the Presentation of Debt Issuance Costs, which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the associated debt liability. For public business entities, the standard is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments in this update is permitted for financial statements that have not been previously issued. We adopted this standard for the first quarter of 2015 and applied retrospectively. The balance for unamortized debt issuance costs was $25 million and $27 million at March 31, 2015 and December 31, 2014, respectively.

14

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

On December 8, 2014, we completed an amendment and restatement of our senior credit facility by increasing the amount and extending the maturity dates of our revolving credit facility and our Tranche A Term Facility. As of March 31, 2015, the senior credit facility provides us with a total revolving credit facility size of $1,200 million and had a $296 million balance outstanding under the Tranche A Term Facility, both of which will mature on December 8, 2019. Net carrying amount for the balance outstanding under the Tranche A Term Facility including a $2 million debt issuance cost was $294 million as of March 31, 2015. Funds may be borrowed, repaid and re-borrowed under the revolving credit facility without premium or penalty (subject to any customary LIBOR breakage fees). The revolving credit facility is reflected as debt on our balance sheet only if we borrow money under this facility or if we use the facility to make payments for letters of credit. Outstanding letters of credit reduce our availability to borrow revolving loans under the facility. We are required to make quarterly principal payments under the Tranche A Term Facility of $3.75 million through December 31, 2016, $5.625 million beginning March 31, 2017 through December 31, 2017, $7.5 million beginning March 31, 2018 through September 30, 2019 and a final payment of $195 million is due on December 8, 2019. We have excluded the required payments, within the next twelve months, under the Tranche A Term Facility totaling $15 million from current liabilities as of March 31, 2015, because we have the intent and ability to refinance the obligations on a long-term basis by using our revolving credit facility.

The financial ratios required under the amended and restated senior credit facility, and the actual ratios we achieved for the first quarter of 2015, are as follows:

	Quarter Ended
	March 31, 2015
	Required	Actual
Leverage Ratio (maximum)	3.50	1.41
Interest Coverage Ratio (minimum)	2.75	11.95

The senior credit facility includes a maximum leverage ratio covenant of 3.50 and a minimum interest coverage ratio of 2.75, in each case through December 8, 2019.

At March 31, 2015, of the $1,200 million available under the revolving credit facility, we had unused borrowing capacity of $1,078 million with $88 million in outstanding borrowings which consisted of a $75 million net carrying amount including a $13 million debt issuance cost and $34 million in outstanding letters of credit. As of March 31, 2015, our outstanding debt also included (i) $296 million of a term loan which consisted of a $294 million net carrying amount including a $2 million debt issuance cost related to our Tranche A Term Facility which is subject to quarterly principal payments as described above through December 8, 2019, (ii) $225 million of notes which consisted of a $221 million net carrying amount including a $4 million debt issuance cost of 5³/8 percent senior notes due December 15, 2024, (iii) $500 million of notes which consisted of a $493 million net carrying amount including a $7 million debt issuance cost of 6⁷/8 percent senior notes due December 15, 2020, and (iv) $177 million of other debt.

(4) Income Taxes

For interim tax reporting we estimate our annual effective tax rate and apply it to our year to date ordinary income. Jurisdictions where no tax benefit can be recognized due to a valuation allowance are excluded from the estimated annual effective tax rate. The impact of including these jurisdictions on the quarterly effective rate calculation could result in a higher or lower effective tax rate during a particular quarter due to the mix and timing of actual earnings versus annual projections. The tax effects of certain unusual or infrequently occurring items, including changes in judgment about valuation allowances and effects of changes in tax laws or rates, are excluded from the estimated annual effective tax rate calculation and recognized in the interim period in which they occur.

We reported income tax expense of $41 million and $40 million in the three month periods ended March 31, 2015 and 2014, respectively. The tax expense recorded in the first quarter of 2015 included a net tax expense of $1 million for prior year tax adjustments primarily relating to changes to uncertain tax positions and prior year income tax estimates.

We believe it is reasonably possible that up to $15 million in unrecognized tax benefits related to the expiration of foreign statute of limitations and the conclusion of income tax examinations may be recognized within the coming year.

(5) Accounts Receivable Securitization

We securitize some of our accounts receivable on a limited recourse basis in North America and Europe. As servicer under these accounts receivable securitization programs, we are responsible for performing all accounts receivable administration functions for these securitized financial assets including collections and processing of customer invoice adjustments. In North America, we have an accounts receivable securitization program with three commercial banks comprised of a first priority facility and a second priority facility. We securitize original equipment and aftermarket receivables on a daily

15

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

basis under the bank program. In March 2015, the North American program was amended and extended to April 30, 2017. The first priority facility provides financing of up to $130 million and the second priority facility, which is subordinated to the first priority facility, provides up to an additional $50 million of financing. Both facilities monetize accounts receivable generated in the U.S. and Canada that meet certain eligibility requirements, and the second priority facility also monetizes certain accounts receivable generated in the U.S. and Canada that would otherwise be ineligible under the first priority securitization facility. The amount of outstanding third-party investments in our securitized accounts receivable under the North American program was $50 million at March 31, 2015 and zero at December 31, 2014.

Each facility contains customary covenants for financings of this type, including restrictions related to liens, payments, mergers or consolidations and amendments to the agreements underlying the receivables pool. Further, each facility may be terminated upon the occurrence of customary events (with customary grace periods, if applicable), including breaches of covenants, failure to maintain certain financial ratios, inaccuracies of representations and warranties, bankruptcy and insolvency events, certain changes in the rate of default or delinquency of the receivables, a change of control and the entry or other enforcement of material judgments. In addition, each facility contains cross-default provisions, where the facility could be terminated in the event of non-payment of other material indebtedness when due and any other event which permits the acceleration of the maturity of material indebtedness.

We also securitize receivables in our European operations with regional banks in Europe. The arrangements to securitize receivables in Europe are provided under six separate facilities provided by various financial institutions in each of the foreign jurisdictions. The commitments for these arrangements are generally for one year, but some may be canceled with notice 90 days prior to renewal. In some instances, the arrangement provides for cancellation by the applicable financial institution at any time upon notification. The amount of outstanding third-party investments in our securitized accounts receivable in Europe was $180 million and $153 million at March 31, 2015 and December 31, 2014, respectively.

If we were not able to securitize receivables under either the North American or European securitization programs, our borrowings under our revolving credit agreement might increase. These accounts receivable securitization programs provide us with access to cash at costs that are generally favorable to alternative sources of financing, and allow us to reduce borrowings under our revolving credit agreement.

In our North American accounts receivable securitization programs, we transfer a partial interest in a pool of receivables and the interest that we retain is subordinate to the transferred interest. Accordingly, we account for our North American securitization program as a secured borrowing. In our European programs, we transfer accounts receivables in their entirety to the acquiring entities and satisfy all of the conditions established under ASC Topic 860, “Transfers and Servicing,” to report the transfer of financial assets in their entirety as a sale. The fair value of assets received as proceeds in exchange for the transfer of accounts receivable under our European securitization programs approximates the fair value of such receivables. We recognized less than $1 million interest expense in each of the three month periods ended March 31, 2015 and 2014, relating to our North American securitization program. In addition, we recognized a loss of $1 million in each of the three month periods ended March 31, 2015 and 2014, on the sale of trade accounts receivable in our European accounts receivable securitization programs, representing the discount from book values at which these receivables were sold to our banks. The discount rate varies based on funding costs incurred by our banks, which averaged approximately two percent during the first three months of 2015 and three percent during the first three months of 2014, respectively.

(6) Restructuring and Other Charges

Over the past several years, we have adopted plans to restructure portions of our operations. These plans were approved by our Board of Directors and were designed to reduce operational and administrative overhead costs throughout the business. For the full year 2014, we incurred $49 million in restructuring and related costs including non-cash charges of $5 million, primarily related to European cost reduction efforts, headcount reductions in Australia and South America, the sale of a closed facility in Cozad, Nebraska and costs related to organizational changes, of which $28 million was recorded in cost of sales, $9 million in SG&A, $7 million in engineering expense, $4 million in other expense and $1 million in depreciation and amortization. In the first quarter of 2015, we incurred $5 million in restructuring and related costs, primarily related to European cost reduction efforts and the closure of a JIT plant in Australia, of which $4 million was recorded in cost of sales and $1 million in SG&A. In the first quarter of 2014, we incurred $10 million in restructuring and related costs primarily related to European cost reduction efforts including non-cash asset write downs of $1 million, all of which was recorded in cost of sales.

16

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

Amounts related to activities that are part of our restructuring reserves are as follows:

	December 31, 2014 Restructuring Reserve		2015 Expenses	2015 Cash Payments		Impact of Exchange Rates		March 31, 2015 Restructuring Reserve
	(Millions)
Employee Severance, Termination Benefits and Other Related Costs		$40	5	(8	)	(4	)		$33

On January 31, 2013, we announced our intent to reduce structural costs in Europe by approximately $60 million annually. We still expect to reach our target annual savings rate in 2016, however the recent dramatic changes in exchange rates will likely have an impact on the actual savings achieved when translated from Euros into U.S. dollars. In the first quarter of 2015, we incurred $5 million in restructuring and related costs, of which $4 million was related to this initiative. While we are nearing the completion of this initiative, we expect to incur additional restructuring and related costs in 2015 and 2016 due to certain ongoing matters. For example, we closed a plant in Gijon Spain in 2013, but subsequently re-opened it in July 2014 with about half of its prior workforce after the employees' works council successfully filed suit challenging the closure decision. Pursuant to an agreement we entered into with employee representatives, we are currently engaged in a sales process for the facility and intend to continue operating it until a complete transfer of ownership takes place in 2016.

Under the terms of our amended and restated senior credit agreement that took effect on December 8, 2014, we are allowed to exclude up to $150 million in the aggregate of all costs, expenses, fees, fines, penalties, judgments, legal settlements and other amounts associated with any restructuring, litigation, claim, proceeding or investigation related to or undertaken by us or any of our subsidiaries, together with any related provision for taxes, incurred after December 8, 2014 in the calculation of the financial covenant ratios required under our senior credit facility. As of March 31, 2015, we had excluded $5 million of allowable charges relating to restructuring initiatives against the $150 million available under the terms of the senior credit facility.

(7) Environmental Matters, Legal Proceedings and Product Warranties

We are involved in environmental remediation matters, legal proceedings, claims, investigations and warranty obligations. These matters are typically incidental to the conduct of our business and create the potential for contingent losses. We accrue for potential contingent losses when our review of available facts indicates that it is probable a loss has been incurred and the amount of the loss is reasonably estimable. Each quarter we assess our loss contingencies based upon currently available facts, existing technology, presently enacted laws and regulations and taking into consideration the likely effects of inflation and other societal and economic factors and record adjustments to these reserves as required. As an example, we consider all available evidence, including prior experience in remediation of contaminated sites, other companies’ cleanup experiences and data released by the United States Environmental Protection Agency or other organizations when we evaluate our environmental remediation contingencies. All of our loss contingency estimates are subject to revision in future periods based on actual costs or new information. With respect to our environmental liabilities, where future cash flows are fixed or reliably determinable, we have discounted those liabilities. We evaluate recoveries separately from the liability and, when they are assured, recoveries are recorded and reported separately from the associated liability in our consolidated financial statements.

Environmental Matters

We are subject to a variety of environmental and pollution control laws and regulations in all jurisdictions in which we operate. We expense or capitalize, as appropriate, expenditures for ongoing compliance with environmental regulations that relate to current operations. We expense costs related to an existing condition caused by past operations that do not contribute to current or future revenue generation. As of March 31, 2015, we have the obligation to remediate or contribute towards the remediation of certain sites, including one Federal Superfund site. At March 31, 2015, our aggregated estimated share of environmental remediation costs for all these sites on a discounted basis was approximately $15 million, of which $2 million is recorded in other current liabilities and $13 million is recorded in deferred credits and other liabilities in our condensed consolidated balance sheet. For those locations where the liability was discounted, the weighted average discount rate used was 2.2 percent. The undiscounted value of the estimated remediation costs was $18 million. Our expected payments of environmental remediation costs are estimated to be approximately $2 million in 2015, $1 million each year beginning 2016 through 2019 and $12 million in aggregate thereafter.

Based on information known to us, we have established reserves that we believe are adequate for these costs. Although we believe these estimates of remediation costs are reasonable and are based on the latest available information, the costs are estimates and are subject to revision as more information becomes available about the extent of remediation required. At some

17

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

sites, we expect that other parties will contribute to the remediation costs. In addition, certain environmental statutes provide that our liability could be joint and several, meaning that we could be required to pay in excess of our share of remediation costs. Our understanding of the financial strength of other potentially responsible parties at these sites has been considered, where appropriate, in our determination of our estimated liability. We do not believe that any potential costs associated with our current status as a potentially responsible party in the Federal Superfund site, or as a liable party at the other locations referenced herein, will be material to our consolidated financial position, results of operations, or liquidity.

Antitrust Investigations

On March 25, 2014, representatives of the European Commission were at Tenneco GmbH's Edenkoben, Germany administrative facility to gather information in connection with an ongoing global antitrust investigation concerning multiple automotive suppliers. On March 25, 2014, we also received a related subpoena from the U.S. Department of Justice (“DOJ”).

On November 5, 2014, the DOJ granted us conditional leniency pursuant to an agreement we entered into under the Antitrust Division’s Corporate Leniency Policy. This agreement provides us with important benefits in exchange for our self reporting of matters to the DOJ and our continuing full cooperation with the DOJ’s resulting investigation. For example, the DOJ will not bring any criminal antitrust prosecution against us, nor seek any criminal fines or penalties, in connection with the matters we reported to the DOJ. Additionally, there are limits on our liability related to any follow on civil antitrust litigation in the U.S. The limits include single rather than treble damages, as well as relief from joint and several antitrust liability with other relevant civil antitrust action defendants. These limits are subject to our satisfying the DOJ and any court presiding over such follow on civil litigation. We cannot provide any assurance as to when such actions will be filed in the future or how they will ultimately be resolved.

Certain other competition agencies are also investigating possible violations of antitrust laws relating to products supplied by our company. We have cooperated and continue to cooperate fully with all of these antitrust investigations, and take other actions to minimize our potential exposure.

Antitrust law investigations and related matters often continue for several years and can result in significant penalties and liability. At this point, we cannot estimate the ultimate impact on our company from investigations into our antitrust compliance and related matters in light of the uncertainties and many variables involved, and there can be no assurance that the ultimate resolution of these matters, including any civil litigation claims, will not have a material adverse effect on our consolidated financial position, results of operations or liquidity.

Other Legal Proceedings, Claims and Investigations

We are also from time to time involved in other legal proceedings, claims or investigations. Some of these matters involve allegations of damages against us relating to environmental liabilities (including toxic tort, property damage and remediation), intellectual property matters (including patent, trademark and copyright infringement, and licensing disputes), personal injury claims (including injuries due to product failure, design or warning issues, and other product liability related matters), taxes, employment matters, and commercial or contractual disputes, sometimes related to acquisitions or divestitures. Additionally, some of these matters involve allegations relating to legal compliance. For example, one of our Argentine subsidiaries is currently defending against a criminal complaint alleging the failure to comply with laws requiring the proceeds of export transactions to be collected, reported and/or converted to local currency within specified time periods. As another example, in the U.S. we are subject to an audit in 11 states with respect to the payment of unclaimed property to those states, spanning a period as far back as over 30 years. While we vigorously defend ourselves against all of these legal proceedings, claims and investigations and take other actions to minimize our potential exposure, in future periods, we could be subject to cash costs or charges to earnings if any of these matters are resolved on unfavorable terms. Although the ultimate outcome of any legal matter cannot be predicted with certainty, based on current information, including our assessment of the merits of the particular claim, except as described above under "Antitrust Investigations," we do not expect the legal proceedings, claims or investigations currently pending against us will have any material adverse impact on our consolidated financial position, results of operations or liquidity.

In addition, we are subject to lawsuits initiated by a significant number of claimants alleging health problems as a result of exposure to asbestos. In the early 2000's we were named in nearly 20,000 complaints, most of which were filed in Mississippi state court and the vast majority of which made no allegations of exposure to asbestos from our product categories. Most of these claims have been dismissed and our current docket of active and inactive cases is less than 500 cases nationwide. A small number of claims have been asserted by railroad workers alleging exposure to asbestos products in railroad cars manufactured by The Pullman Company, one of our subsidiaries. The substantial majority of the remaining claims are related to alleged exposure to asbestos in our automotive products. Only a small percentage of the claimants allege that they were automobile mechanics and a significant number appear to involve workers in other industries or otherwise do not include

18

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

sufficient information to determine whether there is any basis for a claim against us. We believe, based on scientific and other evidence, it is unlikely that mechanics were exposed to asbestos by our former products and that, in any event, they would not be at increased risk of asbestos-related disease based on their work with these products. Further, many of these cases involve numerous defendants, with the number in some cases exceeding 100 defendants from a variety of industries. Additionally, the plaintiffs either do not specify any, or specify the jurisdictional minimum, dollar amount for damages. As major asbestos manufacturers and/or users continue to go out of business or file for bankruptcy, we may experience an increased number of these claims. We vigorously defend ourselves against these claims as part of our ordinary course of business. In future periods, we could be subject to cash costs or charges to earnings if any of these matters are resolved unfavorably to us. To date, with respect to claims that have proceeded sufficiently through the judicial process, we have regularly achieved favorable resolutions. Accordingly, we presently believe that these asbestos-related claims will not have a material adverse impact on our future consolidated financial position, results of operations or liquidity.

Warranty Matters

We provide warranties on some of our products. The warranty terms vary but range from one year up to limited lifetime warranties on some of our premium aftermarket products. Provisions for estimated expenses related to product warranty are made at the time products are sold or when specific warranty issues are identified on OE products. These estimates are established using historical information about the nature, frequency, and average cost of warranty claims. We actively study trends of our warranty claims and take action to improve product quality and minimize warranty claims. We believe that the warranty reserve is appropriate; however, actual claims incurred could differ from the original estimates, requiring adjustments to the reserve. The reserve is included in both current and long-term liabilities on the balance sheet.

Below is a table that shows the activity in the warranty accrual accounts:

	Three Months Ended March 31,
	2015			2014
	(Millions)
Beginning Balance January 1,	$	26		$	24
Accruals related to product warranties	3			5
Reductions for payments made	(4		)	(5		)
Ending Balance March 31,	$	25		$	24

(8) Earnings Per Share

Earnings per share of common stock outstanding were computed as follows:

	Three Months Ended March 31, 2015		Three Months Ended March 31, 2014
	(Millions Except Share and Per Share Amounts)
Basic earnings per share —
Net income attributable to Tenneco Inc.	$	49	$	46
Weighted Average shares of common stock outstanding	61,044,908		60,549,778
Earnings per share of common stock	$	0.81	$	0.76
Diluted earnings per share —
Net income attributable to Tenneco Inc.	$	49	$	46
Weighted Average shares of common stock outstanding	61,044,908		60,549,778
Effect of dilutive securities:
Restricted stock	83,291		160,341
Stock options	464,888		793,183
Weighted Average shares of common stock outstanding including dilutive securities	61,593,087		61,503,302
Earnings per share of common stock	$	0.80	$	0.75

19

Options to purchase 183,315 and 782 shares of common stock were outstanding as of March 31, 2015 and 2014, respectively, but not included in the computation of diluted earnings per share respectively, because the options were anti-dilutive.

(9) Common Stock

Equity Plans — We have granted a variety of awards, including common stock, restricted stock, restricted stock units, performance units, stock appreciation rights (“SARs”), and stock options to our directors, officers, and employees.

Accounting Methods — We recorded compensation expense (net of taxes) of $1 million and $2 million in the three month periods ended March 31, 2015 and 2014, respectively, related to nonqualified stock options as part of our selling, general and administrative expense. This resulted in a decrease of $0.01 and $0.04 in both basic and diluted earnings per share for the three month period ended March 31, 2015 and 2014.

For employees eligible to retire at the grant date, we immediately expense stock options and restricted stock. If employees become eligible to retire during the vesting period, we immediately recognize any remaining expense associated with their stock options and restricted stock.

As of March 31, 2015, there was approximately $5 million of unrecognized compensation costs related to our stock option awards that we expect to recognize over a weighted average period of 0.7 years.

Compensation expense for restricted stock, restricted stock units, long-term performance units and SARs (net of taxes) was $6 million and $5 million for the three month periods ended March 31, 2015 and 2014, respectively, and was recorded in selling, general, and administrative expense in our condensed consolidated statements of income.

Cash received from stock option exercises for the three months ended March 31, 2015 and 2014 was $2 million and less than $1 million, respectively.

Stock options exercised in the first three months of 2015 generated a tax benefit of $3 million. We started to record this tax benefit in the third quarter of 2013 when we began utilizing our federal and state NOLs.

Assumptions — We calculated the fair values of stock option awards using the Black-Scholes option pricing model with the weighted average assumptions listed below. The fair value of share-based awards is determined at the time the awards are granted which is generally in January of each year, and requires judgment in estimating employee and market behavior. There were no stock options granted in 2015.

	Three Months Ended March 31,
	2015			2014
Stock Options Granted
Weighted average grant date fair value, per share	$	—		$	26.46
Weighted average assumptions used:
Expected volatility	—		%	52.8		%
Expected lives				5.0
Risk-free interest rates	—		%	1.7		%
Dividend yields	—		%	—		%

Expected volatility is calculated based on current implied volatility and historical realized volatility for the Company.

Expected lives of options are based upon the historical and expected time to post-vesting forfeiture and exercise. We believe this method is the best estimate of the future exercise patterns currently available.

The risk-free interest rates are based upon the Constant Maturity Rates provided by the U.S. Treasury. For our valuations, we used the continuous rate with a term equal to the expected life of the options.

20

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

Stock Options — The following table reflects the status and activity for all options to purchase common stock for the period indicated:

	Three Months Ended March 31, 2015
	Shares Under Option		Weighted Avg. Exercise Prices		Weighted Avg. Remaining Life in Years	Aggregate Intrinsic Value
						(Millions)
Outstanding Stock Options
Outstanding, January 1, 2015	1,454,003		$	31.16	4.4	$	33
Granted	—		—
Canceled	(20,427	)	23.75
Forfeited	—		—
Exercised	(96,997	)	20.78			3
Outstanding, March 31, 2015	1,336,579		$	32.03	4.3	$	31

The weighted average grant-date fair value of options granted during the three months ended March 31, 2014 was $26.46. There were no stock options granted in 2015. The total fair value of shares vested was $4 million and $6 million for the periods ended March 31, 2015 and 2014, respectively.

Restricted Stock — The following table reflects the status for all nonvested restricted shares for the period indicated:

	Three Months Ended March 31, 2015
	Shares		Weighted Avg. Grant Date Fair Value
Nonvested Restricted Shares
Nonvested balance at January 1, 2015	286,051		$	42.35
Granted	350,101		53.40
Vested	(150,171	)	37.86
Forfeited	—		—
Nonvested balance at March 31, 2015	485,981		$	51.70

The fair value of restricted stock grants is usually equal to the average of the high and low trading price of our stock on the date of grant. As of March 31, 2015, approximately $19 million of total unrecognized compensation costs related to restricted stock awards is expected to be recognized over a weighted-average period of approximately 2.8 years. The total fair value of restricted shares vested was $6 million and $7 million at March 31, 2015 and 2014, respectively.

In January 2015, our Board of Directors approved a share repurchase program, authorizing our company to repurchase up to $350 million of our outstanding common stock over a three-year period. This repurchase program does not obligate Tenneco to make repurchases at any specific time or situation and is part of our overall capital allocation strategy. We repurchased 192,000 shares through this program in the three month period ended March 31, 2015.

Repurchased shares held as part of our treasury stock were 3,436,692 and 3,244,692 shares at March 31, 2015 and December 31, 2014, respectively.

Long-Term Performance Units, Restricted Stock Units and SARs — Long-term performance units, restricted stock units and SARs are paid in cash and recognized as a liability based upon their fair value. As of March 31, 2015, $30 million of total unrecognized compensation costs is expected to be recognized over a weighted-average period of approximately 2.2 years.

21

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

(10) Pension Plans, Postretirement and Other Employee Benefits

Net periodic pension costs and postretirement benefit costs consist of the following components:

	Three Months Ended March 31,
	Pension												Postretirement
	2015						2014						2015			2014
	US			Foreign			US			Foreign			US			US
	(Millions)
Service cost — benefits earned during the period	$	—		$	2		$	—		$	2		$	—		$	—
Interest cost	5			4			5			5			1			1
Expected return on plan assets	(6		)	(5		)	(6		)	(6		)	—			—
Curtailment loss	—			—			—
Settlement loss	—			—			—			—			—			—
Net amortization:
Actuarial loss	2			2			2			2			1			1
Prior service cost	—			—			—			—			(1		)	(2		)
Net pension and postretirement costs	$	1		$	3		$	1		$	3		$	1		$	—

For the three months ended March 31, 2015, we made pension contributions of less than $1 million and $4 million for our domestic and foreign pension plans, respectively. Based on current actuarial estimates, we believe we will be required to contribute approximately $22 million for the remainder of 2015. Pension contributions beyond 2015 will be required, but those amounts will vary based upon many factors including, for example, the performance of our pension fund investments during 2015.

We made postretirement contributions of approximately $2 million during the first three months of 2015. Based on current actuarial estimates, we believe we will be required to contribute approximately $7 million for the remainder of 2015.

The assets of some of our pension plans are invested in trusts that permit commingling of the assets of more than one employee benefit plan for investment and administrative purposes. Each of the plans participating in the trust has interests in the net assets of the underlying investment pools of the trusts. The investments for all our pension plans are recorded at estimated fair value, in compliance with the accounting guidance on fair value measurement.

Amounts recognized for pension and postretirement benefits in other comprehensive income for the three months ended March 31, 2015 and 2014 include the following components:

	Three Months Ended March 31,
	2015									2014
	Before-Tax Amount			Tax Benefit			Net-of-Tax Amount			Before- Tax Amount		Tax Benefit			Net-of-Tax Amount
	(Millions)
Defined benefit pension and postretirement plans:
Amortization of prior service cost included in net periodic pension and postretirement cost	$	(1	)	$	—		$	(1	)	$	—	$	—		$	—
Amortization of actuarial loss included in net periodic pension and postretirement cost	5			(1		)	4			4		(1		)	3
Other comprehensive income – pension benefits	$	4		$	(1	)	$	3		$	4	$	(1	)	$	3

22

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

(11) New Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued an amendment on revenue recognition. The amendment in this update creates Topic 606, Revenue from Contracts with Customers, and supersedes the revenue recognition requirements in Topic 605, Revenue Recognition, including most industry-specific revenue recognition guidance throughout the Industry Topics of the Codification. In addition, the amendment supersedes the cost guidance in Subtopic 605-35, Revenue Recognition-Construction-Type and Production-Type Contracts, and creates new Subtopic 340-40, Other Assets and Deferred Costs-Contracts with Customers. The core principle of Topic 606 is that an entity recognizes revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The amendment is effective for reporting periods beginning after December 15, 2016 for public entities. We will adopt this amendment on January 1, 2017. We are currently evaluating the potential impact of this new guidance on our consolidated financial statements.

In April 2015, the FASB issued Accounting Standard Update 2015-03, Simplifying the Presentation of Debt Issuance Costs, which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the associated debt liability. For public business entities, the standard is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments in this update is permitted for financial statements that have not been previously issued. We adopted this standard for the first quarter of 2015 and applied retrospectively. Please refer to note 3 in our notes to condensed consolidated financial statements located in Part I Item 1 of this Form 10-Q for further discussion.

(12) Segment Information

We are managed and organized along our two major product lines (clean air and ride performance) and three geographic areas (North America; Europe, South America and India; and Asia Pacific), resulting in six operating segments (North America Clean Air, North America Ride Performance, Europe, South America and India Clean Air, Europe, South America and India Ride Performance, Asia Pacific Clean Air and Asia Pacific Ride Performance). Within each geographical area, each operating segment manufactures and distributes either clean air or ride performance products primarily for the original equipment and aftermarket industries. Each of the six operating segments constitutes a reportable segment. Costs related to other business activities, primarily corporate headquarter functions, are disclosed separately from the six operating segments as "Other." We evaluate segment performance based primarily on earnings before interest expense, income taxes, and noncontrolling interests. Products are transferred between segments and geographic areas on a basis intended to reflect as nearly as possible the “market value” of the products.

23

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

The following table summarizes certain Tenneco Inc. segment information:

	Clean Air Division						Ride Performance Division
	North America		Europe, South America & India		Asia Pacific		North America		Europe, South America & India		Asia Pacific		Other			Reclass & Elims			Total
	(Millions)
At March 31, 2015 and for the Three Months Ended March 31, 2015
Revenues from external customers	$	684	$	457	$	264	$	331	$	230	$	57	$	—		$	—		$	2,023
Intersegment revenues	4		27		—		3		7		12		—			(53		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	54		10		27		35		8		10		(24		)	—			120
Total assets	1,255		812		606		730		480		225		—			31			4,139
At March 31, 2014 and for the Three Months Ended March 31, 2014
Revenues from external customers	698		506		240		335		263		52		—			—			2,094
Intersegment revenues	7		29		—		3		10		9		—			(58		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	56		9		20		30		16		7		(25		)	—			113
Total assets	1,197		908		563		701		557		219		—			34			4,179

(13) Supplemental Guarantor Condensed Consolidating Financial Statements

Basis of Presentation

Substantially all of our existing and future material domestic 100% owned subsidiaries (which are referred to as the Guarantor Subsidiaries) fully and unconditionally guarantee our senior notes due in 2020 and 2024 on a joint and several basis. However, a subsidiary’s guarantee may be released in certain customary circumstances such as a sale of the subsidiary or all or substantially all of its assets in accordance with the indenture applicable to the notes. The Guarantor Subsidiaries are combined in the presentation below.

These consolidating financial statements are presented on the equity method. Under this method, our investments are recorded at cost and adjusted for our ownership share of a subsidiary’s cumulative results of operations, capital contributions and distributions, and other equity changes. You should read the condensed consolidating financial information of the Guarantor Subsidiaries in connection with our condensed consolidated financial statements and related notes of which this note is an integral part.

We revised the supplemental guarantor statements of comprehensive income and cash flows as a result of a correction to comprehensive income and to the classification of intercompany dividends in the cash flow. These revisions had no impact on any of the company’s current or previously issued consolidated financial statements. In 2014 a misclassification in supplemental cash flow statement reclassing intercompany dividend payments between operating activities and financing activities was identified. During the three month period ended on March 31, 2014, no intercompany dividend payments were made. As a result, there is no impact to the supplemental cash flow statement at March 31, 2014. Other comprehensive loss of $3 million was excluded in the net comprehensive income of the parent company for the three month period ended on March 31, 2014. The impact of these corrections to the applicable prior periods are reflected in the guarantor financial information herein and will be reflected in future filings.

Distributions

There are no significant restrictions on the ability of the Guarantor Subsidiaries to make distributions to us.

24

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	For the Three Months Ended March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
Revenues
Net sales and operating revenues —
External	$	897		$	1,126		$	—		$	—		$	2,023
Affiliated companies	106			145			—			(251		)	—
	1,003			1,271			—			(251		)	2,023
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	842			1,095			—			(251		)	1,686
Engineering, research, and development	21			20			—			—			41
Selling, general, and administrative	46			77			2			—			125
Depreciation and amortization of other intangibles	22			28			—			—			50
	931			1,220			2			(251		)	1,902
Other income (expense)
Loss on sale of receivables	—			(1		)	—			—			(1		)
Other income (expense)	(4		)	4			—			—			—
	(4		)	3			—			—			(1		)
Earnings (loss) before interest expense, income taxes, noncontrolling interests, and equity in net income from affiliated companies	68			54			(2		)	—			120
Interest expense —
External (net of interest capitalized)	—			—			16			—			16
Affiliated companies (net of interest income)	17			(17		)	—			—			—
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	51			71			(18		)	—			104
Income tax expense	18			23			—			—			41
Equity in net income (loss) from affiliated companies	30			—			67			(97		)	—
Net Income (loss)	63			48			49			(97		)	63
Less: Net income attributable to noncontrolling interests	—			14			—			—			14
Net income (loss) attributable to Tenneco Inc.	$	63		$	34		$	49		$	(97	)	$	49
Comprehensive income (loss) attributable to Tenneco Inc.	$	63		$	34		$	(20	)	$	(97	)	$	(20	)

25

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	For the Three Months Ended March 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
Revenues
Net sales and operating revenues —
External	$	920		$	1,174		$	—		$	—		$	2,094
Affiliated companies	103			148			—			(251		)	—
	1,023			1,322			—			(251		)	2,094
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	802			1,203			—			(251		)	1,754
Engineering, research, and development	22			20			—			—			42
Selling, general, and administrative	51			79			2			—			132
Depreciation and amortization of other intangibles	21			30			—			—			51
	896			1,332			2			(251		)	1,979
Other income (expense)
Loss on sale of receivables	—			(1		)	—			—			(1		)
Other income (expense)	(2		)	1			—			—			(1		)
	(2		)	—			—			—			(2		)
Earnings (loss) before interest expense, income taxes, noncontrolling interests, and equity in net income from affiliated companies	125			(10		)	(2		)	—			113
Interest expense —
External (net of interest capitalized)	—			—			19			—			19
Affiliated companies (net of interest income)	16			(16		)	—			—			—
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	109			6			(21		)	—			94
Income tax expense	30			10			—			—			40
Equity in net income (loss) from affiliated companies	(15		)	—			67			(52		)	—
Net income (loss)	64			(4		)	46			(52		)	54
Less: Net income attributable to noncontrolling interests	—			8			—			—			8
Net income (loss) attributable to Tenneco Inc.	$	64		$	(12	)	$	46		$	(52	)	$	46
Comprehensive income (loss) attributable to Tenneco Inc.	$	64		$	(12	)	$	43		$	(52	)	$	43

26

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

BALANCE SHEET

	March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	288		$	—		$	—		$	288
Receivables, net	464			1,378			—			(590		)	1,252
Inventories	339			378			—			—			717
Deferred income taxes	47			24			7			—			78
Prepayments and other	70			209			—			—			279
Total current assets	920			2,277			7			(590		)	2,614
Other assets:
Investment in affiliated companies	1,104			—			771			(1,875		)	—
Notes and advances receivable from affiliates	924			11,056			4,927			(16,907		)	—
Long-term receivables, net	11			1			—			—			12
Goodwill	22			41			—			—			63
Intangibles, net	12			15			—			—			27
Deferred income taxes	80			16			56			—			152
Other	36			50			—			—			86
	2,189			11,179			5,754			(18,782		)	340
Plant, property, and equipment, at cost	1,260			2,105			—			—			3,365
Less — Accumulated depreciation and amortization	(860		)	(1,320		)	—			—			(2,180		)
	400			785			—			—			1,185
Total assets	$	3,509		$	14,241		$	5,761		$	(19,372	)	$	4,139
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	$	—		$	117		$	15		$	—		$	132
Short-term debt — affiliated	147			254			—			(401		)	—
Trade payables	553			979			—			(141		)	1,391
Accrued taxes	(21		)	39			33			—			51
Other	125			234			15			(48		)	326
Total current liabilities	804			1,623			63			(590		)	1,900
Long-term debt — non-affiliated	—			44			1,084			—			1,128
Long-term debt — affiliated	1,801			10,964			4,142			(16,907		)	—
Deferred income taxes	—			18			—			—			18
Postretirement benefits and other liabilities	413			112			(2		)	5			528
Commitments and contingencies
Total liabilities	3,018			12,761			5,287			(17,492		)	3,574
Redeemable noncontrolling interests	—			43			—			—			43
Tenneco Inc. shareholders’ equity	491			1,389			474			(1,880		)	474
Noncontrolling interests	—			48			—			—			48
Total equity	491			1,437			474			(1,880		)	522
Total liabilities, redeemable noncontrolling interests and equity	$	3,509		$	14,241		$	5,761		$	(19,372	)	$	4,139

27

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

BALANCE SHEET

	December 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)		Reclass & Elims			Consolidated
	(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$	10		$	272		$	—	$	—		$	282
Restricted cash	—			3			—		—			3
Receivables, net	408			1,309			—		(629		)	1,088
Inventories	312			376			—		—			688
Deferred income taxes	49			25			7		—			81
Prepayments and other	96			188			—		—			284
Total current assets	875			2,173			7		(629		)	2,426
Other assets:
Investment in affiliated companies	1,064			—			764		(1,828		)	—
Notes and advances receivable from affiliates	944			10,589			4,844		(16,377		)	—
Long-term receivables, net	12			—			—		—			12
Goodwill	22			43			—		—			65
Intangibles, net	10			16			—		—			26
Deferred income taxes	76			14			53		—			143
Other	40			53			—		—			93
	2,168			10,715			5,661		(18,205		)	339
Plant, property, and equipment, at cost	1,236			2,254			—		—			3,490
Less — Accumulated depreciation and amortization	(845		)	(1,427		)	—		—			(2,272		)
	391			827			—		—			1,218
Total assets	$	3,434		$	13,715		$	5,668	$	(18,834	)	$	3,983
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	$	—		$	54		$	6	$	—		$	60
Short-term debt — affiliated	243			220			9		(472		)	—
Trade payables	478			1,000			—		(106		)	1,372
Accrued taxes	(15		)	31			24		—			40
Other	134			241			3		(51		)	327
Total current liabilities	840			1,546			42		(629		)	1,799
Long-term debt — non-affiliated	—			44			998		—			1,042
Long-term debt — affiliated	1,730			10,516			4,131		(16,377		)	—
Deferred income taxes	—			18			—		—			18
Postretirement benefits and other liabilities	418			129			—		4			551
Commitments and contingencies
Total liabilities	2,988			12,253			5,171		(17,002		)	3,410
Redeemable noncontrolling interests	—			35			—		—			35
Tenneco Inc. shareholders’ equity	446			1,386			497		(1,832		)	497
Noncontrolling interests	—			41			—		—			41
Total equity	446			1,427			497		(1,832		)	538
Total liabilities, redeemable noncontrolling interests and equity	$	3,434		$	13,715		$	5,668	$	(18,834	)	$	3,983

28

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

STATEMENT OF CASH FLOWS

	Three Months Ended March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims		Consolidated
	(Millions)
Operating Activities
Net cash provided (used) by operating activities	$	(74	)	$	26		$	(2	)	$	—	$	(50	)
Investing Activities
Proceeds from sale of assets	—			1			—			—		1
Cash payments for plant, property, and equipment	(27		)	(50		)	—			—		(77		)
Cash payments for software related intangible assets	(2		)	(3		)	—			—		(5		)
Changes in restricted cash	—			3			—			—		3
Net cash used by investing activities	(29		)	(49		)	—			—		(78		)
Financing Activities
Tax benefit from stock-based compensation	—			—			3			—		3
Retirement of long-term debt	—			—			(4		)	—		(4		)
Purchase of common stock under the share repurchase program	—			—			(11		)	—		(11		)
Increase (decrease) in bank overdrafts	—			(8		)	—			—		(8		)
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	—			64			47			—		111
Net increase (decrease) in short-term borrowings secured by accounts receivables	—			—			50			—		50
Intercompany dividend payments and net increase (decrease) in intercompany obligations	93			(10		)	(83		)	—		—
Net cash provided (used) by financing activities	93			46			2			—		141
Effect of foreign exchange rate changes on cash and cash equivalents	—			(7		)	—			—		(7		)
Increase (decrease) in cash and cash equivalents	(10		)	16			—			—		6
Cash and cash equivalents, January 1	10			272			—			—		282
Cash and cash equivalents, March 31 (Note)	$	—		$	288		$	—		$	—	$	288

Note: Cash and cash equivalents include highly liquid investments with a maturity of three months or less at the date of purchase.

29

TENNECO INC.

NOTES TO CONDENSED CONSOLIDATED FINANCIAL STATEMENTS —(Continued)

(Unaudited)

STATEMENT OF CASH FLOWS

	Three Months Ended March 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims		Consolidated
	(Millions)
Operating Activities
Net cash provided (used) by operating activities	$	(208	)	$	90		$	(22	)	$	—	$	(140	)
Investing Activities
Cash payments for plant, property, and equipment	(25		)	(58		)	—			—		(83		)
Cash payments for software related intangible assets	(4		)	(3		)	—			—		(7		)
Changes in restricted cash	—			(1		)						(1		)
Net cash used by investing activities	(29		)	(62		)	—			—		(91		)
Financing Activities
Issuance (repurchase) of common shares	—			—			(2		)	—		(2		)
Tax benefit from stock-based compensation	—			—			12			—		12
Retirement of long-term debt	—			—			(3		)	—		(3		)
Increase (decrease) in bank overdrafts	—			4			—			—		4
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	—			24			173			—		197
Net increase in short-term borrowings secured by accounts receivable	—			—			20			—		20
Intercompany dividend payments and net increase (decrease) in intercompany obligations	233			(55		)	(178		)	—		—
Capital contribution from noncontrolling interest partner	—			1			—			—		1
Net cash provided (used) by financing activities	233			(26		)	22			—		229
Effect of foreign exchange rate changes on cash and cash equivalents	—			(6		)	—			—		(6		)
Increase (decrease) in cash and cash equivalents	(4		)	(4		)	—			—		(8		)
Cash and cash equivalents, January 1	6			269			—			—		275
Cash and cash equivalents, March 31 (Note)	$	2		$	265		$	—		$	—	$	267

Note: Cash and cash equivalents include highly liquid investments with a maturity of three months or less at the date of purchase.

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ITEM 2.MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

As you read the following review of our financial condition and results of operations, you should also read our condensed consolidated financial statements and related notes beginning on page 6.

Executive Summary

We are one of the world's leading manufacturers of clean air and ride performance products and systems for light vehicle, commercial truck and off-highway applications. We serve both original equipment (OE) vehicle designers and manufacturers and the repair and replacement markets, or aftermarket, globally through leading brands, including Monroe^®, Rancho^®, Clevite^® Elastomers, Marzocchi^®, Axios^™, Kinetic^® and Fric-Rot^™ ride performance products and Walker^®, XNOx^®, Fonos^™, DynoMax^®, and Thrush^® clean air products. We serve more than 70 different original equipment manufacturers and commercial truck and off-highway engine manufacturers, and our products are included on nine of the top 10 car models produced for sale in Europe and eight of the top 10 light truck models produced for sale in North America for 2014. Our aftermarket customers are comprised of full-line and specialty warehouse distributors, retailers, jobbers, installer chains and car dealers. As of December 31, 2014, we operated 90 manufacturing facilities worldwide and employed approximately 29,000 people to service our customers' demands.

Factors that continue to be critical to our success include winning new business awards, managing our overall global manufacturing footprint to ensure proper placement and workforce levels in line with business needs, maintaining competitive wages and benefits, maximizing efficiencies in manufacturing processes and reducing overall costs. In addition, our ability to adapt to key industry trends, such as a shift in consumer preferences to other vehicles in response to higher fuel costs and other economic and social factors, increasing technologically sophisticated content, changing aftermarket distribution channels, increasing environmental standards and extended product life of automotive parts, also play a critical role in our success. Other factors that are critical to our success include adjusting to economic challenges such as increases in the cost of raw materials and our ability to successfully reduce the impact of any such cost increases through material substitutions, cost reduction initiatives and other methods.

For the first quarter of 2015, light vehicle production was up two percent in both North America and Europe and six percent in both China and India. Light vehicle production was down 14 percent in South America and 13 percent in Australia in the first quarter of 2015 when compared to the first quarter of 2014.

Total revenues for the first quarter of 2015 were $2,023 million, down from $2,094 million in the first quarter of 2014. Excluding the impact of currency and substrate sales, revenue was up $73 million, or 5 percent, from $1,610 million to $1,683 million, driven primarily by stronger OE light vehicle volumes in Europe, South America, India and China, higher OE commercial truck, off-highway and other revenue in North America Ride Performance, increased aftermarket sales in North America and new platforms in China and Europe OE Ride Performance.

Cost of sales (exclusive of depreciation and amortization): Cost of sales for the first quarter of 2015 was $1,686 million, or 83.3 percent of sales, compared to $1,754 million, or 83.8 percent of sales in the first quarter of 2014. The following table lists the primary drivers behind the change in cost of sales ($ millions).

Quarter ended March 31, 2014	$	1,754
Volume and mix	95
Material	(18		)
Currency exchange rates	(135		)
Restructuring	(7		)
Other Costs	(3		)
Quarter ended March 31, 2015	$	1,686

The decrease in cost of sales was due to the impact of currency exchange rates, lower net material costs, lower restructuring costs and lower other costs, mainly manufacturing, partially offset by the year-over-year increase in volume.

Gross margin: Revenue less cost of sales for the first quarter of 2015 was $337 million, or 16.7 percent, versus $340 million, or 16.2 percent, in the first quarter of 2014. The effect on gross margin resulting from higher volumes, lower net material costs, lower restructuring expenses and lower other costs, mainly manufacturing, was more than offset by unfavorable currency.

Engineering, research and development: Engineering, research and development expense was $41 million and $42 million in the first quarters of 2015 and 2014, respectively.

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Selling, general and administrative (SG&A): SG&A expense was down $7 million in the first quarter of 2015 at $125 million compared to $132 million in the first quarter of 2014 mainly due to favorable currency impact.

Depreciation and amortization: Depreciation and amortization expense was $50 million in the first quarter of 2015, compared to $51 million in the first quarter of 2014.

Earnings before interest expense, taxes and noncontrolling interests (“EBIT”) were $120 million for the first quarter of 2015, an increase of $7 million when compared to $113 million in the first quarter of the prior year. Higher OE light vehicle volumes in Europe, South America, India and China, higher OE commercial truck, off-highway and other revenue in North America Ride Performance, higher North American aftermarket sales and new platforms in China and Europe OE Ride Performance, the benefit of our product cost leadership initiatives, lower restructuring costs and savings from previous restructuring activities were partially offset by unfavorable mix and negative currency.

Results from Operations

Net Sales and Operating Revenues for the Three Months Ended March 31, 2015 and 2014

The tables below reflect our revenues for the first quarters 2015 and 2014. We show the component of our OE revenue represented by substrate sales. While we generally have primary design, engineering and manufacturing responsibility for OE emission control systems, we do not manufacture substrates. Substrates are porous ceramic filters coated with a catalyst - typically, precious metals such as platinum, palladium and rhodium. These are supplied to us by Tier 2 suppliers generally as directed by our OE customers. We generally earn a small margin on these components of the system. As the need for more sophisticated emission control solutions increases to meet more stringent environmental regulations, and as we capture more diesel aftertreatment business, these substrate components have been increasing as a percentage of our revenue. While these substrates dilute our gross margin percentage, they are a necessary component of an emission control system.

Our value-add content in an emission control system includes designing the system to meet environmental regulations through integration of the substrates into the system, maximizing use of thermal energy to heat up the catalyst quickly, efficiently managing airflow to reduce back pressure as the exhaust stream moves past the catalyst, managing the expansion and contraction of the emission control system components due to temperature extremes experienced by an emission control system, using advanced acoustic engineering tools to design the desired exhaust sound, minimizing the opportunity for the fragile components of the substrate to be damaged when we integrate it into the emission control system and reducing unwanted noise, vibration and harshness transmitted through the emission control system.

We present these substrate sales separately in the following table because we believe investors utilize this information to understand the impact of this portion of our revenues on our overall business and because it removes the impact of potentially volatile precious metals pricing from our revenues. While our original equipment customers generally assume the risk of precious metals pricing volatility, it impacts our reported revenues. Presenting revenues that exclude “substrates” used in catalytic converters and diesel particulate filters removes this impact.

Additionally, we present these reconciliations of revenues in order to reflect value-add revenues without the effect of changes in foreign currency rates. We have not reflected any currency impact in the 2014 table since this is the base period for measuring the effects of currency during 2015 on our operations. We believe investors find this information useful in understanding period-to-period comparisons in our revenues.

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	Three Months Ended March 31, 2015
	Revenues		Substrate Sales		Value-add Revenues		Currency Impact on Value-add Revenues			Value-add Revenues excluding Currency
	(Millions)
Clean Air Division
North America	$	684	$	240	$	444	$	(1	)	$	445
Europe, South America & India	457		164		293		(64		)	357
Asia Pacific	264		60		204		(5		)	209
Total Clean Air Division	1,405		464		941		(70		)	1,011
Ride Performance Division
North America	331		—		331		(5		)	336
Europe, South America & India	230		—		230		(46		)	276
Asia Pacific	57		—		57		(3		)	60
Total Ride Performance Division	618		—		618		(54		)	672
Total Tenneco Inc.	$	2,023	$	464	$	1,559	$	(124	)	$	1,683

	Three Months Ended March 31, 2014
	Revenues		Substrate Sales		Value-add Revenues		Currency Impact on Value-add Revenues		Value-add Revenues excluding Currency
	(Millions)
Clean Air Division
North America	$	698	$	264	$	434	$	—	$	434
Europe, South America & India	506		172		334		—		334
Asia Pacific	240		48		192		—		192
Total Clean Air Division	1,444		484		960		—		960
Ride Performance Division
North America	335		—		335		—		335
Europe, South America & India	263		—		263		—		263
Asia Pacific	52		—		52		—		52
Total Ride Performance Division	650		—		650		—		650
Total Tenneco Inc.	$	2,094	$	484	$	1,610	$	—	$	1,610

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	Three Months Ended March 31, 2015 Versus Three Months Ended March 31, 2014 Dollar and Percent Increase (Decrease)
	Revenues			Percent		Value-add Revenues excluding Currency		Percent
	(Millions Except Percent Amounts)
Clean Air Division
North America	$	(14	)	(2	)%	$	11	3	%
Europe, South America & India	(49		)	(10	)%	23		7	%
Asia Pacific	24			10	%	17		9	%
Total Clean Air Division	(39		)	(3	)%	51		5	%
Ride Performance Division
North America	(4		)	(1	)%	1		—	%
Europe, South America & India	(33		)	(13	)%	13		5	%
Asia Pacific	5			10	%	8		15	%
Total Ride Performance Division	(32		)	(5	)%	22		3	%
Total Tenneco Inc.	$	(71	)	(3	)%	$	73	5	%

Light Vehicle Industry Production by Region for Three Months Ended March 31, 2015 and 2014 (According to IHS Automotive, April 2015)

	Three Months Ended March 31,
	2015	2014	Increase (Decrease)		% Increase (Decrease)
	(Number of Vehicles in Thousands)
North America	4,297	4,204	93		2	%
Europe	5,347	5,236	111		2	%
South America	811	940	(129	)	(14	)%
India	979	921	58		6	%
Total Europe, South America & India	7,137	7,097	40		1	%
China	5,880	5,569	311		6	%
Australia	37	43	(6	)	(13	)%

Clean Air revenue was down $39 million in the first quarter of 2015 compared to the first quarter of 2014 with lower volumes in North America and higher volumes in Europe, South America and India and Asia Pacific. The decrease in North American revenues was driven by lower light vehicle volumes partially offset by increased aftermarket revenues, which accounted for $9 million of the year-over-year change in revenues. Currency had $1 million unfavorable impact on North American revenues. In the European, South American and India region, higher volumes drove a $51 million increase in revenues due to higher light vehicle volumes in the region and higher commercial truck and off-highway vehicle revenues in Europe, partially offset by lower year-over-year aftermarket revenues in Europe and lower commercial truck and off-highway vehicle revenues in South America. Currency had a $98 million unfavorable impact on European, South American and Indian revenues. The increase in Asia Pacific revenues was primarily driven by higher volumes of $33 million, mostly due to higher light vehicle production and new programs in China. Currency had a $7 million unfavorable impact on Asia Pacific revenues.

Ride Performance revenue was down $32 million in the first quarter of 2015 compared to the first quarter of 2014 with higher volumes in all regions. In North America, higher volumes of $2 million driven by higher aftermarket sales and higher commercial truck and off-highway vehicle revenues was partially offset by lower volumes in light vehicle. Currency had a $5 million unfavorable impact on North American revenues. In the European, South American and India region, higher volumes of $14 million were driven by light vehicle increase in the region, higher commercial truck and off-highway vehicle revenues in Europe and higher South American aftermarket sales partially offset by lower aftermarket volumes in Europe. Currency had a $46 million unfavorable impact on European, South American and Indian revenues. Asia Pacific revenues increased by $5 million. Higher volumes of $8 million, mostly due to higher light vehicle production volumes in China, were partially offset by lower volumes in Australia. Currency had a $3 million unfavorable impact on Asia Pacific revenues.

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Earnings before Interest Expense, Income Taxes and Noncontrolling Interests (“EBIT”) for the Three Months Ended March 31, 2015 and 2014

	Three Months Ended March 31,						Change
	2015			2014
	(Millions)
Clean Air Division
North America	$	54		$	56		$	(2	)
Europe, South America & India	10			9			1
Asia Pacific	27			20			7
Total Clean Air Division	91			85			6
Ride Performance Division
North America	35			30			5
Europe, South America & India	8			16			(8		)
Asia Pacific	10			7			3
Total Ride Performance Division	53			53			—
Other	(24		)	(25		)	1
Total Tenneco Inc.	$	120		$	113		$	7

The EBIT results shown in the preceding table include the following items, certain of which are discussed below under “Restructuring and Other Charges,” which have an effect on the comparability of EBIT results between periods:

	Three Months Ended March 31,
	2015		2014
	(Millions)
Clean Air Division
Europe, South America & India
Restructuring and related expenses	$	1	$	8
Asia Pacific
Restructuring and related expenses	1		—
Total Clean Air Division	$	2	$	8
Ride Performance Division
Europe, South America & India
Restructuring and related expenses	3		2
Total Ride Performance Division	$	3	$	2

EBIT for the Clean Air division was $91 million in the first quarter of 2015 compared to $85 million in the first quarter a year ago. EBIT for North America decreased $2 million to $54 million in the first quarter of 2015 versus the first quarter of 2014. The benefit from higher aftermarket sales was more than offset by lower light vehicle volumes and negative currency. Europe, South America and India's EBIT was $10 million in the first quarter of 2015 and $9 million in the first quarter of 2014. Higher volumes in light vehicle in the region, lower restructuring and related expenses and year-over-year restructuring savings were partially offset by lower aftermarket volumes in Europe, lower commercial truck and off-highway vehicles in South America, higher SG&A and engineering expenses and negative currency. EBIT for Asia Pacific increased $7 million to $27 million in the first quarter of 2015 from $20 million in the first quarter of 2014. EBIT benefited from higher light vehicle production volumes and new platforms in China, strong operational management and positive currency, partially offset by lower volumes in Australia and higher restructuring and related expenses. For the Clean Air division, restructuring and related expenses of $2 million were included in EBIT for the first quarter of 2015 and $8 million for the same period in 2014. Currency had a $2 million unfavorable impact on EBIT of the Clean Air division for 2015 when compared to last year.

EBIT for the Ride Performance division was $53 million in the first quarter of 2015 and the first quarter of 2014, respectively. EBIT for North America increased $5 million in the first quarter of 2015 to $35 million from $30 million in the first quarter of 2014. The benefits of increased aftermarket and commercial truck volumes and improved operational management were partially offset by lower light vehicle volumes and negative currency. Europe, South America and India's EBIT was $8 million in the first quarter of 2015 and $16 million in the first quarter of 2014. The benefit from higher light vehicle volumes in the region, higher aftermarket volumes in South America, new platforms in Europe and savings from prior

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restructuring activities were more than offset by unfavorable mix, lower aftermarket volumes in Europe and negative currency. EBIT for Asia Pacific increased $3 million to $10 million in the first quarter of 2015 from $7 million in the first quarter of 2014. EBIT benefited from higher light vehicle production volumes in China, operational cost improvements and favorable currency, partially offset by lower volumes in Australia. For the Ride Performance division, restructuring and related expenses of $3 million were included in EBIT for the first quarter of 2015 and $2 million for the same period in 2014. Currency had a $6 million unfavorable impact on EBIT of the Ride Performance division for 2015 when compared to last year. EBIT for the Ride Performance division also included a $7 million expense to adjust workers' compensation reserves in the first quarter of 2014.

Currency had a $8 million unfavorable impact on overall company EBIT for the first quarter of 2015 as compared to the prior year's first quarter.

EBIT as a Percentage of Revenue for the Three Months Ended March 31, 2015 and 2014

	Three Months Ended March 31,
	2015		2014
Clean Air Division
North America	8	%	8%
Europe, South America & India	2	%	2%
Asia Pacific	10	%	8%
Total Clean Air Division	6	%	6%
Ride Performance Division
North America	11	%	9%
Europe, South America & India	3	%	6%
Asia Pacific	18	%	13%
Total Ride Performance Division	9	%	8%
Total Tenneco Inc.	6	%	5%

In the Clean Air division, EBIT as a percentage of revenues for the first quarter of 2015 was even compared to last year's first quarter. In North America, EBIT as a percentage of revenues for the first quarter of 2015 was even compared to last year's first quarter. The benefit from higher aftermarket sales was offset by lower light vehicle volumes and negative currency. Europe, South America and India's EBIT as a percentage of revenues for the first quarter of 2015 was even compared to the prior year's first quarter. Higher light vehicle volumes in the region, lower restructuring and related expenses and year-over-year restructuring savings were offset by lower aftermarket volumes in Europe, lower commercial truck and off-highway vehicles in South America, higher SG&A and engineering expenses and negative currency. EBIT as a percentage of revenues for Asia Pacific in the first quarter of 2015 was up two percentage points compared to the first quarter of 2014. The benefit from higher light vehicle production volumes and new platforms in China, strong operational management and positive currency was partially offset by lower volumes in Australia and higher restructuring and related expenses.

In the Ride Performance division, EBIT as a percentage of revenues was up one percentage point compared to the prior year's first quarter. In the first quarter of 2015, EBIT as a percentage of revenues for North America was up two percentage points compared to the first quarter of 2014. The benefits of increased aftermarket and commercial truck volumes and improved operational management were partially offset by lower light vehicle volumes and negative currency. EBIT as a percentage of revenues in Europe, South America and India was down three percentage points compared to the prior year's first quarter. The benefit from higher light vehicle volumes in the region, higher aftermarket volumes in South America, new platforms in Europe and savings from prior restructuring activities were more than offset by unfavorable mix, lower aftermarket volumes in Europe and negative currency. In Asia Pacific, EBIT as a percentage of revenues for the first quarter of 2015 was up five percentage points from last year's first quarter. The benefit from higher light vehicle production volumes in China, operational cost improvements and favorable currency was partially offset by lower volumes in Australia.

Interest Expense, Net of Interest Capitalized

We reported interest expense in the first quarter of 2015 of $16 million (all in our U.S. operations) net of interest capitalized of $1 million, and $19 million (all in our U.S. operations) net of interest capitalized of $1 million in the first quarter of 2014. The decrease was due to lower interest rates from the refinancing completed in December 2014 where we extended maturities, increased size of our senior secured credit facility and reduced the rates on both the credit facility and a senior unsecured note.

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On March 31, 2015, we had $769 million in long-term debt obligations that have fixed interest rates. Of that amount, $500 million is fixed through December 2020, $225 million is fixed through December 2024 and the remainder is fixed from 2015 through 2025. We also have $385 million in long-term debt obligations that are subject to variable interest rates. For more detailed explanations on our debt structure and senior credit facility refer to “Liquidity and Capital Resources — Capitalization” later in this Management’s Discussion and Analysis.

Income Taxes

We reported income tax expense of $41 million and $40 million in the three month periods ended March 31, 2015 and March 31, 2014, respectively. The tax expense recorded in the first quarter of 2015 included a net tax expense of $1 million for prior year tax adjustments primarily relating to changes to uncertain tax positions and prior year income tax estimates.

We believe it is reasonably possible that up to $15 million in unrecognized tax benefits related to the expiration of foreign statute of limitations and the conclusion of income tax examinations may be recognized within the coming year.

Restructuring and Other Charges

Over the past several years, we have adopted plans to restructure portions of our operations. These plans were approved by our Board of Directors and were designed to reduce operational and administrative overhead costs throughout the business. In 2014, we incurred $49 million in restructuring and related costs including non-cash charges of $5 million, primarily related to European cost reduction efforts, headcount reductions in Australia and South America, the sale of a closed facility in Cozad, Nebraska and costs related to organizational changes, of which $28 million was recorded in cost of sales, $9 million in SG&A, $7 million in engineering expense, $4 million in other expense and $1 million in depreciation and amortization. In the first quarter of 2015, we incurred $5 million in restructuring and related costs, primarily related to European cost reduction efforts and the closure of a JIT plant in Australia, of which $4 million was recorded in cost of sales and $1 million in SG&A. In the first quarter of 2014, we incurred $10 million in restructuring and related costs, primarily related to European cost reduction efforts including non-cash asset write downs of $1 million, all of which was recorded in cost of sales.

Amounts related to activities that are part of our restructuring reserves are as follows:

	December 31, 2014 Restructuring Reserve		2015 Expenses	2015 Cash Payments	Impact of Exchange Rates	March 31, 2015 Restructuring Reserve
	(Millions)
Employee Severance, Termination Benefits and Other Related Costs	$	40	5	(8)	(4)	$	33

On January 31, 2013, we announced our intent to reduce structural costs in Europe by approximately $60 million annually. We still expect to reach our target annual savings rate in 2016, however the recent dramatic changes in exchange rates will likely have an impact on the actual savings achieved when translated from Euros into U.S. dollars. In the first quarter of 2015, we incurred $5 million in restructuring and related costs, of which $4 million was related to this initiative. While we are nearing the completion of this initiative, we expect to incur additional restructuring and related costs in 2015 and 2016 due to certain ongoing matters. For example, we closed a plant in Gijon Spain in 2013, but subsequently re-opened it in July 2014 with about half of its prior workforce after the employees' works council successfully filed suit challenging the closure decision. Pursuant to an agreement we entered into with employee representatives, we are currently engaged in a sales process for the facility and intend to continue operating it until a complete transfer of ownership takes place in 2016.

Under the terms of our amended and restated senior credit agreement that took effect on December 8, 2014, we are allowed to exclude up to $150 million in the aggregate of all costs, expenses, fees, fines, penalties, judgments, legal settlements and other amounts associated with any restructuring, litigation, claim, proceeding or investigation related to or undertaken by us or any of our subsidiaries, together with any related provision for taxes, incurred after December 8, 2014 in the calculation of the financial covenant ratios required under our senior credit facility. As of March 31, 2015, we had excluded $5 million of allowable charges relating to restructuring initiatives against the $150 million available under the terms of the senior credit facility.

Earnings Per Share

We reported net income attributable to Tenneco Inc. of $49 million or $0.80 per diluted common share for the first quarter of 2015. Included in the results for the first quarter of 2015 were negative impacts from expenses related to our restructuring activities and net tax adjustments. The total impact of these items decreased earnings per diluted share by $0.08. We reported net income attributable to Tenneco Inc. of $46 million or $0.75 per diluted common share for the first quarter of 2014. Included in the results for the first quarter of 2014 were negative impacts from expenses related to our restructuring activities. The net impact of these items decreased earnings per diluted share by $0.16.

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Dividends on Common Stock

On January 10, 2001, our Board of Directors eliminated the quarterly dividend on our common stock. There are no current plans to reinstate a dividend on our common stock.

Cash Flows for the Three Months Ended March 31, 2015 and 2014

	Three Months Ended March 31,
	2015			2014
	(Millions)
Cash provided (used) by:
Operating activities	$	(50	)	$	(140	)
Investing activities	(78		)	(91		)
Financing activities	141			229

Operating Activities

For the first quarter of 2015, operating activities used $50 million in cash compared to $140 million in cash used during last year’s first quarter. Compared to the prior year, the lower use of cash from operations was primarily driven by working capital improvements, lower interest payments and lower tax payments. For the first quarter of 2015, cash used for working capital was $160 million versus $244 million of cash used for working capital in the first quarter of 2014. Receivables were a use of cash of $194 million in the first quarter of 2015 compared to a use of cash of $234 million in the prior year’s first quarter. Inventory represented a cash outflow of $59 million for the first quarter of 2015 and a cash outflow of $81 million during the first quarter of 2014. Accounts payable provided $77 million of cash for the quarter ended March 31, 2015, compared to $87 million cash provided for the quarter ended March 31, 2014. No cash tax payments in the first quarter of 2015 due to a US tax refund of $25 million for overpayment in 2014 compared to $21 million of cash tax payments in the prior year’s first quarter.

Investing Activities

Cash used for investing activities was $78 million in the first quarter of 2015 compared to cash used of $91 million in the same period a year ago. Cash payments for plant, property and equipment were $77 million in the first quarter of 2015 versus payments of $83 million in the first quarter of 2014, a decrease of $6 million. Cash payments for software-related intangible assets were $5 million and $7 million, respectively, for the first quarters of 2015 and 2014. Changes in restricted cash were a source of cash of $3 million in the first quarter of 2015 compared to a use of cash of $1 million in 2014.

Financing Activities

Cash flow from financing activities was an inflow of $141 million for the quarter ended March 31, 2015 compared to an inflow of $229 million for the quarter ended March 31, 2014. During the first quarter of 2015, we repurchased 192,000 shares of our outstanding common stock for $11 million at an average price of $57.13 per share as part of a previously announced stock buyback plan of up to $350 million over the next three years. Borrowings under our revolving credit facility were $88 million at March 31, 2015 and $251 million at March 31, 2014. At March 31, 2015, there was $50 million borrowed under the North American accounts receivable securitization programs, whereas at March 31, 2014, there was $30 million outstanding.

Outlook

We expect growth will continue to be driven by well-established structural growth drivers which include:

•Increasing global light vehicle industry production;

•Emissions regulations which require new content to meet more stringent requirements;

•Increased demand for MONROE^® Intelligent Suspension technologies;

•The growing global car parc, which the company serves with industry-leading aftermarket brands.

In the second quarter, global OE light vehicle production is expected to increase three percent in the regions where we operate. IHS forecasts higher production in North America (three percent), China (eight percent) and India (four percent), with lower production expected in Europe (down two percent) and South America (down five percent). We are well-positioned to leverage higher light vehicle volumes with our strong platform position with leading global OEMs. We also expect continued regulatory-driven, incremental content growth on commercial truck and off-highway programs to meet global emissions requirements and a solid contribution from our global aftermarket business.

Excluding currency, we anticipate total revenue growth of about five percent in the second quarter. Based on current exchange rates, we anticipate a currency headwind in the second quarter of approximately nine percent.

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We also reaffirm our full-year revenue guidance for total revenue growth of five percent to eight percent, excluding currency.

Tenneco’s revenue projections are based on the type of information set forth under “Outlook” in Item 7 – “Management’s Discussion and Analysis of Financial Condition and Results of Operations” as set forth in Tenneco’s Annual Report on Form 10-K for the year ended December 31, 2014. Please see that disclosure for further information. Additionally, revenue assumptions for the second quarter are based on current and projected customer production schedules, as well as IHS Automotive April 2015 production forecasts.

Critical Accounting Policies

We prepare our condensed consolidated financial statements in accordance with accounting principles generally accepted in the United States of America. Preparing our condensed consolidated financial statements in accordance with generally accepted accounting principles requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenues and expenses during the reporting period. The following paragraphs include a discussion of some critical areas where estimates are required.

Revenue Recognition

We recognize revenue for sales to our original equipment and aftermarket customers when title and risk of loss passes to the customers under the terms of our arrangements with those customers, which is usually at the time of shipment from our plants or distribution centers. Generally, in connection with the sale of exhaust systems to certain original equipment manufacturers, we purchase catalytic converters and diesel particulate filters or components thereof including precious metals (“substrates”) on behalf of our customers which are used in the assembled system. These substrates are included in our inventory and “passed through” to the customer at our cost, plus a small margin, since we take title to the inventory and are responsible for both the delivery and quality of the finished product. Revenues recognized for substrate sales were $464 million and $484 million for the first three months of 2015 and 2014, respectively. For our aftermarket customers, we provide for promotional incentives and returns at the time of sale. Estimates are based upon the terms of the incentives and historical experience with returns. Certain taxes assessed by governmental authorities on revenue producing transactions, such as value added taxes, are excluded from revenue and recorded on a net basis. Shipping and handling costs billed to customers are included in revenues and the related costs are included in cost of sales in our condensed consolidated statements of income.

Warranty Reserves

Where we have offered product warranty, we also provide for warranty costs. Provisions for estimated expenses related to product warranty are made at the time products are sold or when specific warranty issues are identified on OE products. These estimates are established using historical information about the nature, frequency, and average cost of warranty claims and upon specific warranty issues as they arise. The warranty terms vary but range from one year up to limited lifetime warranties on some of our premium aftermarket products. We actively study trends of our warranty claims and take action to improve product quality and minimize warranty claims. While we have not experienced any material differences between these estimates and our actual costs, it is reasonably possible that future warranty issues could arise that could have a significant impact on our condensed consolidated financial statements.

Pre-production Design and Development and Tooling Assets

We expense pre-production design and development costs as incurred unless we have a contractual guarantee for reimbursement from the original equipment customer. Unbilled pre-production design and development costs recorded in prepayments and other and long-term receivables totaled $22 million and $23 million at March 31, 2015 and December 31, 2014, respectively. In addition, plant, property and equipment included $61 million and $59 million at March 31, 2015 and December 31, 2014, respectively, for original equipment tools and dies that we own, and prepayments and other included $119 million and $98 million at March 31, 2015 and December 31, 2014, respectively, for in-process tools and dies that we are building for our original equipment customers.

Income Taxes

We recognize deferred tax assets and liabilities on the basis of the future tax consequences attributable to temporary differences that exist between the financial statement carrying value of assets and liabilities and their respective tax values, and net operating losses ("NOL") and tax credit carryforwards on a taxing jurisdiction basis. We measure deferred tax assets and liabilities using enacted tax rates that will apply in the years in which we expect the temporary differences to be recovered or paid.

We evaluate our deferred income taxes quarterly to determine if valuation allowances are required or should be adjusted. U.S. GAAP requires that companies assess whether valuation allowances should be established against their deferred tax assets

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based on consideration of all available evidence, both positive and negative, using a "more likely than not" standard. This assessment considers, among other matters, the nature, frequency and amount of recent losses, the duration of statutory carryforward periods, and tax planning strategies. In making such judgments, significant weight is given to evidence that can be objectively verified.

Valuation allowances are established for deferred tax assets based on a “more likely than not” threshold. The ability to realize deferred tax assets depends on our ability to generate sufficient taxable income within the carryforward periods provided for in the tax law for each tax jurisdiction. We have considered the following possible sources of taxable income when assessing the realization of our deferred tax assets:

• Future reversals of existing taxable temporary differences;

• Taxable income or loss, based on recent results, exclusive of reversing temporary differences and carryforwards;

• Tax-planning strategies; and

• Taxable income in prior carryback years if carryback is permitted under the relevant tax law.

The valuation allowances recorded against deferred tax assets in certain foreign jurisdictions will impact our provision for income taxes until the valuation allowances are released. Our provision for income taxes will include no tax benefit for losses incurred and no tax expense with respect to income generated in these jurisdictions until the respective valuation allowance is eliminated.

For interim tax reporting we estimate our annual effective tax rate and apply it to our year to date ordinary income. Jurisdictions where no tax benefit can be recognized due to a valuation allowance are excluded from the estimated annual effective tax rate. The impact of including these jurisdictions on the quarterly effective rate calculation could result in a higher or lower effective tax rate during a particular quarter due to the mix and timing of actual earnings versus annual projections. The tax effects of certain unusual or infrequently occurring items, including changes in judgment about valuation allowances and effects of changes in tax laws or rates, are excluded from the estimated annual effective tax rate calculation and recognized in the interim period in which they occur.

Goodwill, net

We evaluate goodwill for impairment in the fourth quarter of each year, or more frequently if events indicate it is warranted. The goodwill impairment test consists of a two-step process. In step one, we compare the estimated fair value of our reporting units with goodwill to the carrying value of the unit’s assets and liabilities to determine if impairment exists within the recorded balance of goodwill. We estimate the fair value of each reporting unit using the income approach which is based on the present value of estimated future cash flows. The income approach is dependent on a number of factors, including estimates of market trends, forecasted revenues and expenses, capital expenditures, weighted average cost of capital and other variables. A separate discount rate derived by a combination of published sources, internal estimates and weighted based on our debt and equity structure, was used to calculate the discounted cash flows for each of our reporting units. These estimates are

based on assumptions that we believe to be reasonable, but which are inherently uncertain and outside of the control of management. If the carrying value of the reporting unit is higher than its fair value, there is an indication that impairment may exist which requires step two to be performed to measure the amount of the impairment loss. The amount of impairment is determined by comparing the implied fair value of a reporting unit’s goodwill to its carrying value.

In the fourth quarter of 2014, the estimated fair value of each of our reporting units exceeded the carrying value of their assets and liabilities as of the testing date.

Pension and Other Postretirement Benefits

We have various defined benefit pension plans that cover some of our employees. We also have postretirement health care and life insurance plans that cover some of our domestic employees. Our pension and postretirement health care and life insurance expenses and valuations are dependent on assumptions used by our actuaries in calculating those amounts. These assumptions include discount rates, health care cost trend rates, long-term return on plan assets, retirement rates, mortality rates and other factors. Health care cost trend rate assumptions are developed based on historical cost data and an assessment of likely long-term trends. Retirement rates are based primarily on actual plan experience while mortality rates are based upon the general population experience which is not expected to differ materially from our experience.

Our approach to establishing the discount rate assumption for both our domestic and foreign plans is generally based on the yield on high-quality corporate fixed-income investments. At the end of each year, the discount rate is determined using the results of bond yield curve models based on a portfolio of high quality bonds matching the notional cash inflows with the expected benefit payments for each significant benefit plan. Based on this approach, we lowered the weighted average discount rate for all our pension plans to 3.7 percent in 2015 from 4.6 percent in 2014. The discount rate for postretirement benefits was lowered to 4.1 percent in 2015 from 4.8 percent in 2014.

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Our approach to determining expected return on plan asset assumptions evaluates both historical returns as well as estimates of future returns, and is adjusted for any expected changes in the long-term outlook for the equity and fixed income markets. As a result, our estimate of the weighted average long-term rate of return on plan assets for all of our pension plans was lowered to 6.7 percent for 2015 from 6.9 percent for 2014.

Except in the U.K., our pension plans generally do not require employee contributions. Our policy is to fund our pension plans in accordance with applicable U.S. and foreign government regulations and to make additional payments as funds are available to achieve full funding of the accumulated benefit obligation. As of March 31, 2015, all legal funding requirements have been met.

New Accounting Pronouncements

Note 11 in our notes to condensed consolidated financial statements located in Part I Item 1 of this Form 10-Q is incorporated herein for reference.

Liquidity and Capital Resources

Capitalization

	March 31, 2015		December 31, 2014		% Change
	(Millions)
Short-term debt and maturities classified as current	$	132	$	60	120	%
Long-term debt	1,128		1,042		8
Total debt	1,260		1,102		14
Total redeemable noncontrolling interests	43		35		23
Total noncontrolling interests	48		41		17
Tenneco Inc. shareholders’ equity	474		497		(5	)
Total equity	522		538		(3	)
Total capitalization	$	1,825	$	1,675	9	%

General. Short-term debt, which includes maturities classified as current, borrowings by foreign subsidiaries, and borrowings securitized by our North American accounts receivable securitization program, was $132 million and $60 million as of March 31, 2015 and December 31, 2014, respectively. Borrowings under our revolving credit facilities, which are classified as long-term debt, were $88 million and zero at March 31, 2015 and December 31, 2014, respectively.

The 2015 year-to-date increase in Tenneco Inc. shareholders' equity primarily resulted from net income attributable to Tenneco Inc. of $49 million, a $3 million increase related to pension and postretirement benefits and a $8 million increase in premium on common stock and other capital surplus relating to common stock issued pursuant to benefit plans, partially offset by a $72 million decrease caused by the impact of changes in foreign exchange rates on the translation of financial statements of our foreign subsidiaries into U.S. dollars and a $11 million increase in treasury stock as a result of purchases of common stock under our share purchase program..

Overview. Our financing arrangements are primarily provided by a committed senior secured financing arrangement with a syndicate of banks and other financial institutions. The arrangement is secured by substantially all our domestic assets and pledges of up to 66 percent of the stock of certain first-tier foreign subsidiaries, as well as guarantees by our material domestic subsidiaries.

In April 2015, the FASB issued Accounting Standard Update 2015-03, Simplifying the Presentation of Debt Issuance Costs, which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the associated debt liability. For public business entities, the standard is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments in this update is permitted for financial statements that have not been previously issued. We adopted this standard for the first quarter of 2015 and applied retrospectively. The balance for unamortized debt issuance costs was $25 million and $27 million at March 31, 2015 and December 31, 2014, respectively.

On December 8, 2014, we completed an amendment and restatement of our senior credit facility by increasing the amounts and extending the maturity dates of our revolving credit facility and our Tranche A Term Facility. As of March 31, 2015, the senior credit facility provides us with a total revolving credit facility size of $1,200 million and had a $296 million balance outstanding under the Tranche A Term Facility, both of which will mature on December 8, 2019. Net carrying amount for the balance outstanding under the Tranche A Term Facility including a $2 million debt issuance cost was $294 million. Funds may be borrowed, repaid and re-borrowed under the revolving credit facility without premium or penalty (subject to any customary LIBOR breakage fees). The revolving credit facility is reflected as debt on our balance sheet only if we borrow

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money under this facility or if we use the facility to make payments for letters of credit. Outstanding letters of credit reduce our availability to borrow revolving loans under the facility. We are required to make quarterly principal payments under the Tranche A Term Facility of $3.75 million through December 31, 2016, $5.625 million beginning March 31, 2017 through December 31, 2017, $7.5 million beginning March 31, 2018 through September 30, 2019 and a final payment of $195 million is due on December 8, 2019. We have excluded the required payments, within the next twelve months, under the Tranche A Term Facility totaling $15 million from current liabilities as of March 31, 2015, because we have the intent and ability to refinance the obligations on a long-term basis by using our revolving credit facility.

At March 31, 2015, of the $1,200 million available under the revolving credit facility, we had unused borrowing capacity of $1,078 million with $88 million in outstanding borrowings which consisted of a $75 million net carrying amount including a $13 million debt issuance cost and $34 million in outstanding letters of credit. As of March 31, 2015, our outstanding debt also included (i) $296 million of term debt which consisted of a $294 million net carrying amount including a $2 million debt issuance cost related to our Tranche A Term Facility which is subject to quarterly principal payments as described above through December 8, 2019, (ii) $225 million of notes which consisted of a $221 million net carrying amount including a $4 million debt issuance cost of 5³/8 percent senior notes due December 15, 2024, (iii) $500 million of notes which consisted of a $493 million net carrying amount including a $7 million debt issuance cost of 6⁷/8 percent senior notes due December 15, 2020, and (iv) $177 million of other debt.

Senior Credit Facility — Interest Rates and Fees. Beginning December 8, 2014, our Tranche A Term Facility and revolving credit facility bear interest at an annual rate equal to, at our option, either (i) London Interbank Offered Rate (“LIBOR”) plus a margin of 175 basis points, or (ii) a rate consisting of the greater of (a) the JPMorgan Chase prime rate plus a margin of 75 basis points, (b) the Federal Funds rate plus 50 basis points plus a margin of 75 basis points, and (c) one month LIBOR plus 100 basis points plus a margin of 75 basis points. The margin we pay on these borrowings will be increased by a total of 25 basis points above the original margin following each fiscal quarter for which our consolidated net leverage ratio is equal to or greater than 2.25 and less than 3.25, and will be increased by a total of 50 basis points above the original margin following each fiscal quarter for which our consolidated net leverage ratio is equal to or greater than 3.25. In addition, beginning after we deliver financial statements for the fiscal quarter ending September 30, 2015, the margin we pay on these borrowings will be reduced by a total of 25 basis points below the original margin if our consolidated net leverage ratio is less than 1.25. We also pay a commitment fee equal to 30 basis points that will be reduced to 25 basis points or increased to up to 40 basis points depending on consolidated net leverage ratio changes as set forth in the senior credit facility.

Senior Credit Facility — Other Terms and Conditions. Our senior credit facility requires that we maintain financial ratios equal to or better than the following consolidated net leverage ratio (consolidated indebtedness net of cash divided by consolidated EBITDA, as defined in the senior credit facility agreement), and consolidated interest coverage ratio (consolidated EBITDA divided by consolidated interest expense, as defined in the senior credit facility agreement) at the end of each period indicated. Failure to maintain these ratios will result in a default under our senior credit facility. The financial ratios required under the amended and restated senior credit facility (or the predecessor facility, as applicable) and the actual ratios we achieved for the first quarter of 2015, are as follows:

	March 31, 2015
	Required	Actual
Leverage Ratio (maximum)	3.50	1.41
Interest Coverage Ratio (minimum)	2.75	11.95

The senior credit facility includes a maximum leverage ratio covenant of 3.50 and a minimum interest coverage ratio of 2.75, in each case through December 8, 2019.

The covenants in our senior credit facility agreement generally prohibit us from repaying or refinancing our senior notes. So long as no default existed, we would, however, under our senior credit facility agreement, be permitted to repay or refinance our senior notes (i) with the net cash proceeds of permitted refinancing indebtedness (as defined in the senior credit facility agreement) or with the net cash proceeds of our common stock, in each case issued within 180 days prior to such repayment; (ii) with the net cash proceeds of the incremental facilities (as defined in the senior credit facility agreement) and certain indebtedness incurred by our foreign subsidiaries; (iii) with the proceeds of the revolving loans (as defined in the senior credit facility agreement); (iv) with the cash generated by our operations; (v) in an amount equal to the net cash proceeds of qualified capital stock (as defined in the senior credit facility agreement) issued by us after December 8, 2014; and (vi) in exchange for permitted refinancing indebtedness or in exchange for shares of our common stock; provided that such purchases are capped as follows (with respect to clauses (iii), (iv) and (v) based on a pro forma consolidated leverage ratio after giving effect to such purchase, cancellation or redemption):

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Pro forma Consolidated Leverage Ratio	Aggregate Senior Note Maximum Amount
	(Millions)
Greater than or equal to 3.0x	$	20
Greater than or equal to 2.5x	$	100
Greater than or equal to 2.0x	$	200
Less than 2.0x	no limit

Although the senior credit facility agreement would permit us to repay or refinance our senior notes under the conditions described above, any repayment or refinancing of our outstanding notes would be subject to market conditions and either the voluntary participation of note holders or our ability to redeem the notes under the terms of the applicable note indenture. For example, while the senior credit facility agreement would allow us to repay our outstanding notes via a direct exchange of the notes for either permitted refinancing indebtedness or for shares of our common stock, we do not, under the terms of the agreements governing our outstanding notes, have the right to refinance the notes via any type of direct exchange.

The senior credit facility agreement also contains other restrictions on our operations that are customary for similar facilities, including limitations on: (i) incurring additional liens; (ii) sale and leaseback transactions (except for the permitted transactions as described in the senior credit facility agreement); (iii) liquidations and dissolutions; (iv) incurring additional indebtedness or guarantees; (v) investments and acquisitions; (vi) dividends and share repurchases; (vii) mergers and consolidations; and (viii) refinancing of the senior notes. Compliance with these requirements and restrictions is a condition for any incremental borrowings under the senior credit facility agreement and failure to meet these requirements enables the lenders to require repayment of any outstanding loans.

As of March 31, 2015, we were in compliance with all the financial covenants and operational restrictions of the senior credit facility. Our senior credit facility does not contain any terms that could accelerate payment of the facility or affect pricing under the facility as a result of a credit rating agency downgrade.

Senior Notes. As of March 31, 2015, our outstanding senior notes also included $225 million of 5³/8 percent senior notes due December 15, 2024 which consisted of $221 million net carrying amount including a $4 million debt issuance cost and $500 million of 6⁷/8 percent senior notes due December 15, 2020 which consisted of $493 million net carrying amount including a $7 million debt issuance cost. Under the indentures governing the notes, we are permitted to redeem some or all of the remaining senior notes at specified prices that decline to par over a specified period, (a) on or after December 15, 2019, in the case of the senior notes due 2024, and (b) on or after December 15, 2015, in the case of the senior notes due 2020. In addition, the notes may also be redeemed at a price generally equal to 100 percent of the principal amount thereof plus a premium based on the present values of the remaining payments due to the note holders. Further, the indentures governing the notes also permit us to redeem up to 35 percent of the senior notes due 2024, with the proceeds of certain equity offerings completed on or before December 15, 2017. If we sell certain of our assets or experience specified kinds of changes in control, we must offer to repurchase the notes due 2024 and 2020 at 101 percent of the principal amount thereof plus accrued and unpaid interest.

Our senior notes require that, as a condition precedent to incurring certain types of indebtedness not otherwise permitted, our consolidated fixed charge coverage ratio, as calculated on a pro forma basis, be greater than 2.00. The indentures also contain restrictions on our operations, including limitations on: (i) incurring additional indebtedness or liens; (ii) dividends; (iii) distributions and stock repurchases; (iv) investments; (v) asset sales and (vi) mergers and consolidations. Subject to limited exceptions, all of our existing and future material domestic wholly owned subsidiaries fully and unconditionally guarantee these notes on a joint and several basis. There are no significant restrictions on the ability of the subsidiaries that have guaranteed these notes to make distributions to us. As of March 31, 2015, we were in compliance with the covenants and restrictions of these indentures.

Accounts Receivable Securitization. We securitize some of our accounts receivable on a limited recourse basis in North America and Europe. As servicer under these accounts receivable securitization programs, we are responsible for performing all accounts receivable administration functions for these securitized financial assets including collections and processing of customer invoice adjustments. In North America, we have an accounts receivable securitization program with three commercial banks comprised of a first priority facility and a second priority facility. We securitize original equipment and aftermarket receivables on a daily basis under the bank program. In March 2015, the North American program was amended and extended to April 30, 2017. The first priority facility provides financing of up to $130 million and the second priority facility, which is subordinated to the first priority facility, provides up to an additional $50 million of financing. Both facilities monetize accounts receivable generated in the U.S. and Canada that meet certain eligibility requirements. The second priority facility also monetizes certain accounts receivable generated in the U.S. or Canada that would otherwise be ineligible under the first priority securitization facility. The amount of outstanding third-party investments in our securitized accounts receivable under the North American program was $50 million at March 31, 2015 and zero at December 31, 2014.

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Each facility contains customary covenants for financings of this type, including restrictions related to liens, payments, mergers or consolidations and amendments to the agreements underlying the receivables pool. Further, each facility may be terminated upon the occurrence of customary events (with customary grace periods, if applicable), including breaches of covenants, failure to maintain certain financial ratios, inaccuracies of representations and warranties, bankruptcy and insolvency events, certain changes in the rate of default or delinquency of the receivables, a change of control and the entry or other enforcement of material judgments. In addition, each facility contains cross-default provisions, where the facility could be terminated in the event of non-payment of other material indebtedness when due and any other event which permits the acceleration of the maturity of material indebtedness.

We also securitize receivables in our European operations with regional banks in Europe under various separate facilities. The commitments for these arrangements are generally for one year, but some may be canceled with notice 90 days prior to renewal. In some instances, the arrangement provides for cancellation by the applicable financial institution at any time upon notification. The amount of outstanding third-party investments in our securitized accounts receivable in Europe was $180 million and $153 million at March 31, 2015 and December 31, 2014, respectively.

If we were not able to securitize receivables under either the North American or European securitization programs, our borrowings under our revolving credit agreement might increase. These accounts receivable securitization programs provide us with access to cash at costs that are generally favorable to alternative sources of financing, and allow us to reduce borrowings under our revolving credit agreement.

In our North American accounts receivable securitization programs, we transfer a partial interest in a pool of receivables and the interest that we retain is subordinate to the transferred interest. Accordingly, we account for our North American securitization program as a secured borrowing. In our European programs, we transfer accounts receivables in their entirety to the acquiring entities and satisfy all of the conditions established under ASC Topic 860, “Transfers and Servicing,” to report the transfer of financial assets in their entirety as a sale. The fair value of assets received as proceeds in exchange for the transfer of accounts receivable under our European securitization programs approximates the fair value of such receivables. We recognized less than $1 million interest expense in each of the three month periods ended March 31, 2015 and 2014, respectively, relating to our North American securitization program. In addition, we recognized a loss of $1 million in each of the three month periods ended March 31, 2015 and 2014, respectively, on the sale of trade accounts receivable in our European accounts receivable securitization programs, representing the discount from book values at which these receivables were sold to our banks. The discount rate varies based on funding costs incurred by our banks. The discount rate varies based on funding costs incurred by our banks, which averaged approximately two percent during the first three months of 2015 and three percent during the first three months of 2014, respectively.

Financial Instruments. One of our European subsidiaries receives payment from one of its customers whereby the accounts receivable are satisfied through the early delivery of financial instruments. We may collect these financial instruments before their maturity date by either selling them at a discount or using them to satisfy accounts receivable that have previously been sold to a European bank. Any of these financial instruments which are not sold are classified as other current assets. The amount of these financial instruments that was collected before their maturity date and sold at a discount totaled at $1 million at both March 31, 2015 and December 31, 2014. No such financial instruments were held by our European subsidiary as of March 31, 2015 or December 31, 2014.

In certain instances, several of our Chinese subsidiaries receive payment from customers through the receipt of financial instruments on the date the customer payments are due. Several of our Chinese subsidiaries also satisfy vendor payments through the delivery of financial instruments on the date the payments are due. Financial instruments issued to satisfy vendor payables and not redeemed totaled $35 million and $24 million at March 31, 2015 and December 31, 2014, respectively, and were classified as notes payable. Financial instruments received from OE customers and not redeemed totaled $20 million and $17 million at March 31, 2015 and December 31, 2014, respectively. We classify financial instruments received from our customers as other current assets if issued by a financial institution of our customers or as customer notes and accounts, if issued by our customer. We classified $20 million and $17 million in other current assets at March 31, 2015 and December 31, 2014, respectively. Some of our Chinese subsidiaries that issue their own financial instruments to pay vendors are required to maintain a cash balance if they exceed certain credit limits with the financial institution that guarantees those financial instruments. A restricted cash balance was required at those Chinese subsidiaries at March 31, 2015 for less than $1 million and was not required December 31, 2014.

The financial instruments received by one of our European subsidiaries and some of our Chinese subsidiaries are drafts drawn that are payable at a future date and, in some cases, are negotiable and/or are guaranteed by banks of the customers. The use of these instruments for payment follows local commercial practice. Because certain of such financial instruments are guaranteed by our customers’ banks, we believe they represent a lower financial risk than the outstanding accounts receivable that they satisfy which are not guaranteed by a bank.

Supply Chain Financing. Near the end of the second quarter of 2013 certain of our suppliers in the U.S. extended their payment terms to Tenneco. The liquidity benefit to Tenneco from the extended payment terms totaled $18 million at March 31,

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2015. These suppliers also began participating in a supply chain financing program under which they securitize their accounts receivables from Tenneco with two financial institutions. The financial institutions participate in the supply chain financing program on an uncommitted basis and can cease purchasing receivables from Tenneco's suppliers at any time. If the financial institutions did not continue to purchase receivables from Tenneco's suppliers under this program, the participating vendors could reduce their payment terms to Tenneco which in turn would cause our borrowings under our revolving credit facility to increase.

Capital Requirements. We believe that cash flows from operations, combined with our cash on hand, subject to any applicable withholding taxes upon repatriation of cash balances from our foreign operations where most of our cash balances are located, and available borrowing capacity described above, assuming that we maintain compliance with the financial covenants and other requirements of our loan agreement, will be sufficient to meet our future capital requirements, including debt amortization, capital expenditures, pension contributions, and other operational requirements, for the following year. Our ability to meet the financial covenants depends upon a number of operational and economic factors, many of which are beyond our control. In the event that we are unable to meet these financial covenants, we would consider several options to meet our cash flow needs. Such actions include additional restructuring initiatives and other cost reductions, sales of assets, reductions to working capital and capital spending, issuance of equity and other alternatives to enhance our financial and operating position. Should we be required to implement any of these actions to meet our cash flow needs, we believe we can do so in a reasonable time frame.

Derivative Financial Instruments

Foreign Currency Exchange Rate Risk

We use derivative financial instruments, principally foreign currency forward purchase and sale contracts with terms of less than one year, to hedge our exposure to changes in foreign currency exchange rates. Our primary exposure to changes in foreign currency rates results from intercompany loans made between affiliates to minimize the need for borrowings from third parties. Additionally, we enter into foreign currency forward purchase and sale contracts to mitigate our exposure to changes in exchange rates on certain intercompany and third-party trade receivables and payables. We manage counter-party credit risk by entering into derivative financial instruments with major financial institutions that can be expected to fully perform under the terms of such agreements. We do not enter into derivative financial instruments for speculative purposes.

In managing our foreign currency exposures, we identify and aggregate existing offsetting positions and then hedge residual exposures through third-party derivative contracts. The fair value of our foreign currency forward contracts was less than $1 million at March 31, 2015 and is based on an internally developed model which incorporates observable inputs including quoted spot rates, forward exchange rates and discounted future expected cash flows utilizing market interest rates with similar quality and maturity characteristics. The following table summarizes by major currency the notional amounts for our foreign currency forward purchase and sale contracts as of March 31, 2015. All contracts in the following table mature in 2015.

		March 31, 2015
		Notional Amount in Foreign Currency
		(Millions)
Australian dollars	—Purchase	1
British pounds	—Sell	(46	)
Canadian dollars	—Sell	(20	)
European euro	—Purchase	11
	—Sell	(5	)
South African rand	—Purchase	138
Japanese yen	—Purchase	136
	—Sell	(790	)
U.S. dollars	—Purchase	94
	—Sell	(22	)
Other	—Purchase	1

Interest Rate Risk

Our financial instruments that are sensitive to market risk for changes in interest rates are primarily our debt securities. We use our revolving credit facility to finance our short-term and long-term capital requirements. We pay a current market rate of interest on these borrowings. Our long-term capital requirements have been financed with long-term debt with original

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maturity dates ranging from four to ten years. On March 31, 2015, we had $769 million in long-term debt obligations that have fixed interest rates. Of that amount, $500 million is fixed through December 2020, $225 million is fixed through December 2024, and the remainder is fixed from 2015 through 2025. We also have $385 million in long-term debt obligations that are subject to variable interest rates. For more detailed explanations on our debt structure and senior credit facility refer to “Liquidity and Capital Resources — Capitalization” earlier in this Management’s Discussion and Analysis.

We estimate that the fair value of our long-term debt at March 31, 2015 was about 104 percent of its book value. A one percentage point increase or decrease in interest rates would increase or decrease the annual interest expense we recognize in the income statement and the cash we pay for interest expense by about $5 million.

Environmental Matters, Legal Proceedings and Product Warranties

Note 7 in our notes to condensed consolidated financial statements located in Part I Item 1 of this Form 10-Q is incorporated herein for reference.

We expect to continue to incur legal and related costs pertaining to the ongoing antitrust investigation in 2015. While the quarterly costs we incur in 2015 may be lower than those incurred in 2014, such costs may not be evenly distributed throughout the year.

Tenneco 401(K) Retirement Savings Plan

Effective January 1, 2012, the Tenneco Employee Stock Ownership Plan for Hourly Employees and the Tenneco Employee Stock Ownership Plan for Salaried Employees were merged into one plan called the Tenneco 401(k) Retirement Savings Plan (the “Retirement Savings Plan”). Under the plan, subject to limitations in the Internal Revenue Code, participants may elect to defer up to 75 percent of their salary through contributions to the plan, which are invested in selected mutual funds or used to buy our common stock. We match 100 percent of an employee's contributions up to three percent of the employee's salary and 50 percent of an employee's contributions that are between three percent and five percent of the employee's salary. In connection with freezing the defined benefit pension plans for nearly all U.S. based salaried and non-union hourly employees effective December 31, 2006, and the related replacement of those defined benefit plans with defined contribution plans, we are making additional contributions to the Retirement Savings Plan. We recorded expense for these contributions of approximately $7 million for each of the three month periods ended March 31, 2015 and 2014. Matching contributions vest immediately. Defined benefit replacement contributions fully vest on the employee’s third anniversary of employment.

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ITEM 3.QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

For information regarding our exposure to interest rate risk and foreign currency exchange rate risk, see the caption entitled “Derivative Financial Instruments” in “Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations,” which is incorporated herein by reference.

ITEM 4.CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures

An evaluation was carried out under the supervision and with the participation of our management, including our Chief Executive Officer and Chief Financial Officer, of the effectiveness of our disclosure controls and procedures (as defined in Rule 13a-15(e) and Rule 15d-15(e) under the Securities Exchange Act of 1934) as of the end of the quarter covered by this report. Based on their evaluation, our Chief Executive Officer and Chief Financial Officer have concluded that the Company’s disclosure controls and procedures are effective to ensure that information required to be disclosed by our Company in reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in Securities and Exchange Commission rules and forms and such information is accumulated and communicated to management as appropriate to allow timely decisions regarding required disclosures.

Changes in Internal Control Over Financial Reporting

There have been no changes in our internal control over financial reporting during the quarter ended March 31, 2015, that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II

ITEM 1A.RISK FACTORS

We are exposed to certain risks and uncertainties that could have a material adverse impact on our business, financial condition and operating results. There have been no other material changes to the Risk Factors described in Part I, Item 1A of our Annual Report on Form 10-K for the fiscal year ended December 31, 2014.

ITEM 2.UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

(a) None.

(b) Not applicable.

(c) Purchase of equity securities by the issuer and affiliated purchasers. The following table provides information relating to our purchase of shares of our common stock in the first quarter of 2015. These purchases reflect shares withheld upon vesting of restricted stock for minimum tax withholding obligations as well as shares repurchased through our share repurchase program. We intend to continue to satisfy statutory minimum tax withholding obligations in connection with the vesting of outstanding restricted stock through the withholding of shares.

In January 2015, our Board of Directors approved a share repurchase program, authorizing our company to repurchase up to $350 million of the Company's outstanding common stock over a three-year period. This repurchase program does not obligate Tenneco to make repurchases at any specific time or situation and is part of our overall capital allocation strategy. We repurchased 192,000 shares through this program in the three month period ended March 31, 2015.

Period	Total Number of Shares Purchased	Average Price Paid		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Maximum Value of Shares That May Yet be Purchased Under These Plans or Programs (Millions)
January 2015	45,255	$	49.84	—	$	350
February 2015	17,538	$	57.12	16,000	349
March 2015	176,098	$	57.09	176,000	339
Total	238,891	$	55.72	192,000	$	339

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SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, Tenneco Inc. has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

TENNECO INC.
By:	/S/    KENNETH R. TRAMMELL
	Kenneth R. Trammell
	Executive Vice President and Chief Financial Officer

Dated: May 5, 2015

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INDEX TO EXHIBITS

TO

QUARTERLY REPORT ON FORM 10-Q

FOR QUARTER ENDED MARCH 31, 2015

Exhibit Number		Description
10.1	—	Offer Letter to Brian J. Kesseler dated January 6, 2015 (incorporated herein by reference to Exhibit 10.67 of the registrant’s Annual Report on Form 10-K for the year ended December 31, 2014, File No. 1-12387).
10.2	—	Form of Restricted Stock Award for Brian J. Kesseler (January 2015 replacement grant) under Tenneco Inc. 2006 Long-Term Incentive Plan (incorporated herein by reference to Exhibit 10.71 of the registrant’s Annual Report on Form 10-K for the year ended December 31, 2014, File No. 1-12387).
10.3	—	Amendment No.5 to Third Amended and Restated Receivables Purchase Agreement, dated as of March 20, 2015 (incorporated herein by reference to Exhibit 10.1 of the registrant's Current Report on Form 8-K dated March 20, 2015, File No. 1-12387).
10.4	—	Amendment No. 6 to SLOT Receivables Purchase Agreement, dated as of March 20, 2015 (incorporated herein by reference to Exhibit 10.2 of the registrant's Current Report on Form 8-K dated March 20, 2015, File No. 1-12387).
*10.5	—	First Amendment to Amended and Restated Tenneco Inc. Excess Benefit Plan effective as of January 6, 2015 (adding Supplement for Brian J. Kesseler).
10.6	—	Second Amendment to Tenneco Inc. Change in Control Severance Benefit Plan for Key Executives (incorporated by reference to Exhibit 10.1 of the registrant's Current Report on form 8-K dated April 28, 2015, File No. 1-12387).
*12	—	Computation of Ratio of Earnings to Fixed Charges.
*15.1	—	Letter of PricewaterhouseCoopers LLP regarding interim financial information.
*31.1	—	Certification of Gregg M. Sherrill under Section 302 of the Sarbanes-Oxley Act of 2002.
*31.2	—	Certification of Kenneth R. Trammell under Section 302 of the Sarbanes-Oxley Act of 2002.
*32.1	—	Certification of Gregg M. Sherrill and Kenneth R. Trammell under Section 906 of the Sarbanes-Oxley Act of 2002.
*101.INS	—	XBRL Instance Document.
*101.SCH	—	XBRL Taxonomy Extension Schema Document.
*101.CAL	—	XBRL Taxonomy Extension Calculation Linkbase Document.
*101.DEF	—	XBRL Taxonomy Extension Definition Linkbase Document.
*101.LAB	—	XBRL Taxonomy Extension Label Linkbase Document.
*101.PRE	—	XBRL Taxonomy Extension Presentation Linkbase Document.

* Filed herewith.

50

EX-10.5

EXHIBIT 10.5

FIRST AMENDMENT TO

TENNECO INC. EXCESS BENEFIT PLAN

WHEREAS, Tenneco Inc. (the “Company”) maintains the Tenneco Inc. Excess Benefit Plan (the “Plan”);

WHEREAS, the Plan was most recently amended and restated effective as of January 1, 2013; and

WHEREAS, it is now desirable to amend the Plan to add a Supplement to the Plan to reflect benefits granted to a newly hired executive in connection with his commencement of employment;

NOW, THEREFORE, the Plan is hereby amended, effective as of January 6, 2015, by adding the following new Supplement C to the Plan immediately following Supplement B thereof:

“SUPPLEMENT C

TO

TENNECO INC.

EXCESS BENEFIT PLAN

Application C-1. This Supplement C to Tenneco Inc. Excess Benefit Plan shall apply as of January 6, 2015 to the benefits of Participant Brian J. Kesseler (“Kesseler”).

Definitions C-2. Unless the context clearly implies or indicates the contrary, a word, term or phrase used or defined in the Plan is similarly used or defined for purposes of this Supplement C.

Employer Retirement C-3. Kesseler’s benefits under Section 3.2 of the Plan shall be

Contributions calculated in accordance with Section 3.2 of the Plan except as follows:

(a) The Employer Bonus Contributions (as defined in Section 3.2(b) of the Plan) to which Kesseler shall be entitled for any Plan Year shall be calculated in accordance with Section 3.2(b) of the Plan; provided, however, that the Company Retirement Contribution percentage that will be applied to determine the amount of the Employer Bonus Contributions shall be 3%.

(b) The Employer Retirement Contributions (as defined in Section 3.2(c) of the Plan) to which Kesseler shall be entitled for any Plan Year shall be calculated in accordance with Section 3.2(c) of the Plan; provided, however, that the Company Retirement Contribution percentage that will be applied to determine the amount of the Employer Retirement Contributions shall be 3%.

Other Terms of Plan C-4. Except as otherwise provided in this Supplement C the terms and conditions of the Plan shall apply to Kesseler.

IN WITNESS WHEREOF, the Company has caused the Plan to be amended as set forth herein by its authorized officer, effective as of January 6, 2015.

TENNECO INC.
By:	/s/Gregg A. Bolt
	Gregg A. Bolt
Its:	Senior Vice President,
	Global Human Resources and Administration

EX-12

EXHIBIT 12

TENNECO INC. AND CONSOLIDATED SUBSIDIARIES

COMBINED WITH 50% OR LESS OWNED UNCONSOLIDATED SUBSIDIARIES

COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES

(UNAUDITED)

	Three Months Ended March 31,
	2015		2014
	(Millions)
Net income attributable to Tenneco Inc.	$	49	$	46
Add:
Interest expense	16		19
Portion of rental representative of the interest factor	5		5
Income Tax Expense (Benefit)	41		40
Noncontrolling interests	14		8
Amortization of interest capitalized	1		1
Undistributed (earnings) losses of affiliated companies in which less
than a 50% voting interest is owned	—		—
Earnings as defined	$	126	$	119
Interest expense	16		19
Interest capitalized	1		1
Portion of rentals representative of the interest factor	5		5
Fixed charges as defined	$	22	$	25
Ratio of earnings to fixed charges	5.73		4.76

EX-15.1

EXHIBIT 15.1

May 5, 2015

Securities and Exchange Commission

100 F Street, N.E.

Washington, DC 20549

Commissioners:

We are aware that our report dated May 5, 2015 on our review of interim financial information of Tenneco, Inc. for the three month periods ended March 31, 2015 and 2014 and included in the Company's quarterly report on Form 10-Q for the quarter ended March 31, 2015 is incorporated by reference in its Registration Statements on Form S-8 (Nos. 333-17485, 333-41535, 333-33934, 333-101973, 333-113705, 333-142475, 333-159358 and 333-192928) and on Form S-3 (No. 333-200663).

Very truly yours,

/s/PricewaterhouseCoopers LLP

Milwaukee, WI

EX-31.1

EXHIBIT 31.1

CERTIFICATION PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT

I, Gregg M. Sherrill, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Tenneco 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 officers 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; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of the registrant’s 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.

/s/	GREGG M. SHERRILL
	Gregg M. Sherrill
	Chairman and Chief Executive Officer

Dated: May 5, 2015

EX-31.2

EXHIBIT 31.2

CERTIFICATION PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT

I, Kenneth R. Trammell, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Tenneco 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 officers 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; and

5. The registrant’s other certifying officers and I have disclosed, based on our most recent evaluation of the registrant’s 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.

/s/	KENNETH R. TRAMMELL
	Kenneth R. Trammell
	Executive Vice President and Chief Financial Officer

Dated: May 5, 2015

EX-32.1

EXHIBIT 32.1

CERTIFICATION 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 accompanying Quarterly Report on Form 10-Q of Tenneco Inc. (the “Company”) for the period ended March 31, 2015, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), and pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, Gregg M. Sherrill, as Chief Executive Officer of the Company, and Kenneth R. Trammell, as Chief Financial Officer of the Company, hereby certify that:

(1) The 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.

/s/	GREGG M. SHERRILL
	Gregg M. Sherrill
	Chief Executive Officer
/s/	KENNETH R. TRAMMELL
	Kenneth R. Trammell
	Chief Financial Officer

Dated: May 5, 2015

This certification shall not be deemed “filed” by the Company for purposes of Section 18 of the Securities Exchange Act of 1934. In addition, this certification shall not be deemed to be incorporated by reference into any filing under the Securities Exchange Act of 1933 or the Securities Exchange Act of 1934.

A signed original of this written statement required by Section 906 has been provided to the Company and will be retained by the Company and furnished to the Securities and Exchange Commission or its staff upon request.

XML

Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 41	$ 40
Tax expense for prior year tax adjustments	1
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Other Information	$ 15

XML

Segment Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Segment Reporting [Line Items]
Revenues from external customers	$ 2,023	$ 2,094
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	120	113
Total assets	4,139	4,179	3,983
Reclass and Elims
Segment Reporting [Line Items]
Revenues from external customers	0	0
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	0	0
Total assets	31	34
North America [Member]
Segment Reporting [Line Items]
Total assets		701
Europe South America And India [Member]
Segment Reporting [Line Items]
Revenues from external customers		263
Total assets		557
Asia Pacific
Segment Reporting [Line Items]
Revenues from external customers		52
Total assets		219
Clean Air Division [Member] | North America [Member]
Segment Reporting [Line Items]
Revenues from external customers	684	698
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	54	56
Total assets	1,255	1,197
Clean Air Division [Member] | Europe South America And India [Member]
Segment Reporting [Line Items]
Revenues from external customers	457	506
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	10	9
Total assets	812	908
Clean Air Division [Member] | Asia Pacific
Segment Reporting [Line Items]
Revenues from external customers	264	240
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	27	20
Total assets	606	563
Ride Performance Division [Member] | North America [Member]
Segment Reporting [Line Items]
Revenues from external customers	331	335
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	35	30
Total assets	730
Ride Performance Division [Member] | Europe South America And India [Member]
Segment Reporting [Line Items]
Revenues from external customers	230
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	8	16
Total assets	480
Ride Performance Division [Member] | Asia Pacific
Segment Reporting [Line Items]
Revenues from external customers	57
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	10	7
Total assets	225
Intersegment Revenues [Member]
Segment Reporting [Line Items]
Revenues from external customers	0	0
Intersegment Revenues [Member] | Reclass and Elims
Segment Reporting [Line Items]
Revenues from external customers	(53)	(58)
Intersegment Revenues [Member] | Clean Air Division [Member] | North America [Member]
Segment Reporting [Line Items]
Revenues from external customers	4	7
Intersegment Revenues [Member] | Clean Air Division [Member] | Europe South America And India [Member]
Segment Reporting [Line Items]
Revenues from external customers	27	29
Intersegment Revenues [Member] | Clean Air Division [Member] | Asia Pacific
Segment Reporting [Line Items]
Revenues from external customers	0	0
Intersegment Revenues [Member] | Ride Performance Division [Member] | North America [Member]
Segment Reporting [Line Items]
Revenues from external customers	3	3
Intersegment Revenues [Member] | Ride Performance Division [Member] | Europe South America And India [Member]
Segment Reporting [Line Items]
Revenues from external customers	7	10
Intersegment Revenues [Member] | Ride Performance Division [Member] | Asia Pacific
Segment Reporting [Line Items]
Revenues from external customers	12	9
Europe [Member] | Other Countries [Member]
Segment Reporting [Line Items]
Revenues from external customers	0	0
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	(24)	(25)
Total assets	0	0
Europe [Member] | Intersegment Revenues [Member] | Other Countries [Member]
Segment Reporting [Line Items]
Revenues from external customers	$ 0	$ 0

XML

Assumptions Used for Calculating Fair Values of Stock Option Awards (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Stock Options Granted
Weighted average grant date fair value, per share	$ 0.00	$ 26.46
Weighted average assumptions used:
Expected volatility	0.00%	52.80%
Expected lives		5 years 0 months 0 days
Risk-free interest rates	0.00%	1.70%
Dividend yields	0.00%	0.00%

XML

Segment Information Segment Information Textuals (Details)	3 Months Ended
	Mar. 31, 2015 operating_segment product_segment geographic_segment
Segment Reporting [Abstract]
Number of reportable segments	3
Number of product segments	2
Number of operating segments	6

XML

Earnings Per Share - Additional Information (Detail)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Earnings Per Share [Abstract]
Anti-dilutive stock options	183,315	782

XML

Fair Value of Long Term Debt - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of long term debt	$ 764	$ 759
Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of long term debt	385	301
Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fair value of long term debt	$ 45	$ 46

XML

Statement of Comprehensive Income (Loss) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Net sales and operating revenues —
External	$ 2,023	$ 2,094
Affiliated companies	0	0
Net sales and operating revenues	2,023	2,094
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,686	1,754
Engineering, research, and development	41	42
Selling, general, and administrative	125	132
Depreciation and amortization of other intangibles	50	51
Costs and expenses	1,902	1,979
Other income (expense)
Loss on sale of receivables	(1)	(1)
Other income (expense)	0	(1)
Total other income (expense)	(1)	(2)
Earnings before interest expense, income taxes, and noncontrolling interests	120	113
Interest expense —
External (net of interest capitalized)	16	19
Affiliated companies (net of interest income)	0	0
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	104	94
Income tax expense	41	40
Equity in net income (loss) from affiliated companies	0	0
Net Income (loss)	63	54
Less: Net income attributable to noncontrolling interests	14	8
Net income attributable to Tenneco Inc.	49	46
Comprehensive income (loss) attributable to Tenneco Inc.	(20)	43
Guarantor Subsidiaries
Net sales and operating revenues —
External	897	920
Affiliated companies	106	103
Net sales and operating revenues	1,003	1,023
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	842	802
Engineering, research, and development	21	22
Selling, general, and administrative	46	51
Depreciation and amortization of other intangibles	22	21
Costs and expenses	931	896
Other income (expense)
Loss on sale of receivables	0	0
Other income (expense)	(4)	(2)
Total other income (expense)	(4)	(2)
Earnings before interest expense, income taxes, and noncontrolling interests	68	125
Interest expense —
External (net of interest capitalized)	0	0
Affiliated companies (net of interest income)	17	16
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	51	109
Income tax expense	18	30
Equity in net income (loss) from affiliated companies	30	(15)
Net Income (loss)	63	64
Less: Net income attributable to noncontrolling interests	0	0
Net income attributable to Tenneco Inc.	63	64
Comprehensive income (loss) attributable to Tenneco Inc.	63	64
Non-Guarantor Subsidiaries
Net sales and operating revenues —
External	1,126	1,174
Affiliated companies	145	148
Net sales and operating revenues	1,271	1,322
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,095	1,203
Engineering, research, and development	20	20
Selling, general, and administrative	77	79
Depreciation and amortization of other intangibles	28	30
Costs and expenses	1,220	1,332
Other income (expense)
Loss on sale of receivables	(1)	(1)
Other income (expense)	4	1
Total other income (expense)	3	0
Earnings before interest expense, income taxes, and noncontrolling interests	54	(10)
Interest expense —
External (net of interest capitalized)	0	0
Affiliated companies (net of interest income)	(17)	(16)
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	71	6
Income tax expense	23	10
Equity in net income (loss) from affiliated companies	0	0
Net Income (loss)	48	(4)
Less: Net income attributable to noncontrolling interests	14	8
Net income attributable to Tenneco Inc.	34	(12)
Comprehensive income (loss) attributable to Tenneco Inc.	34	(12)
Tenneco Inc
Net sales and operating revenues —
External	0	0
Affiliated companies	0
Net sales and operating revenues	0	0
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	0	0
Engineering, research, and development	0	0
Selling, general, and administrative	2	2
Depreciation and amortization of other intangibles	0	0
Costs and expenses	2	2
Other income (expense)
Loss on sale of receivables	0	0
Other income (expense)	0	0
Total other income (expense)	0	0
Earnings before interest expense, income taxes, and noncontrolling interests	(2)	(2)
Interest expense —
External (net of interest capitalized)	16	19
Affiliated companies (net of interest income)	0	0
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	(18)	(21)
Income tax expense	0	0
Equity in net income (loss) from affiliated companies	67	67
Net Income (loss)	49	46
Less: Net income attributable to noncontrolling interests	0	0
Net income attributable to Tenneco Inc.	49	46
Comprehensive income (loss) attributable to Tenneco Inc.	(20)	43
Reclass & Elims
Net sales and operating revenues —
External	0	0
Affiliated companies	(251)	(251)
Net sales and operating revenues	(251)	(251)
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	(251)	(251)
Engineering, research, and development	0	0
Selling, general, and administrative	0	0
Depreciation and amortization of other intangibles	0	0
Costs and expenses	(251)	(251)
Other income (expense)
Loss on sale of receivables	0	0
Other income (expense)	0	0
Total other income (expense)	0	0
Earnings before interest expense, income taxes, and noncontrolling interests	0	0
Interest expense —
External (net of interest capitalized)	0	0
Affiliated companies (net of interest income)	0	0
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	0	0
Income tax expense	0	0
Equity in net income (loss) from affiliated companies	(97)	(52)
Net Income (loss)	(97)	(52)
Less: Net income attributable to noncontrolling interests	0	0
Net income attributable to Tenneco Inc.	(97)	(52)
Comprehensive income (loss) attributable to Tenneco Inc.	$ (97)	$ (52)

XML

Environmental Matters, Litigation and Product Warranties (Tables)

3 Months Ended

Mar. 31, 2015

Environmental Matters, Litigation and Product Warranties [Abstract]

Warranty Accrual Rollforward

Below is a table that shows the activity in the warranty accrual accounts:

	Three Months Ended March 31,
	2015			2014
	(Millions)
Beginning Balance January 1,	$	26		$	24
Accruals related to product warranties	3			5
Reductions for payments made	(4		)	(5		)
Ending Balance March 31,	$	25		$	24

XML

Nonvested Restricted Shares (Detail) (Restricted Stock [Member], USD $)	3 Months Ended
	Mar. 31, 2015
Restricted Stock [Member]
Nonvested Restricted Shares
Nonvested, Beginning Balance	286,051
Granted	350,101
Vested	(150,171)
Forfeited	0
Nonvested, Ending Balance	485,981
Weighted Avg. Grant Date Fair Value
Nonvested, Beginning Balance	$ 42.35
Granted	$ 53.40
Vested	$ 37.86
Forfeited	$ 0.00
Nonvested, Ending Balance	$ 51.70

XML

Roll Forward of Restructuring Reserve (Detail) (Severance [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve	$ 40
Expenses	5
Cash Payments	(8)
Restructuring Reserve, Translation Adjustment	(4)
Restructuring Reserve	$ 33

XML

Long-Term Debt and Financing Arrangements - Additional Information (Detail) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Long Term Debt And Other Financing Arrangement [Line Items]
Maximum percentage of stock of certain first-tier foreign subsidiaries pledged to secure senior credit facility	66.00%
Interest coverage ratio (minimum) effective from March 31, 2014 through March 22, 2017	2.75
Leverage Ratio Required (Maximum) for future quarters	3.50
Revolving Credit Facility [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Maximum borrowing capacity	1,200,000,000
Tranche Term Facility [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Maximum borrowing capacity	296,000,000
Debt Issuance Cost	2,000,000
Principal payments excluded from current liabilities	15,000,000
Tranche Term Facility [Member] | Corporate Debt Securities [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Maximum borrowing capacity	294,000,000
Tranche Term Facility [Member] | June 30, 2014 through March 31, 2015 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Repayment of term loan	3,750,000
Tranche Term Facility [Member] | June 30, 2015 through March 31, 2016 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Repayment of term loan	5,625,000
Tranche Term Facility [Member] | June 30, 2016 through December 31, 2016 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Repayment of term loan	7,500,000
Tranche Term Facility [Member] | Due on March 22, 2017 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Repayment of term loan	195,000,000
5 3/8 percent senior notes due December 15, 2024 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Stated percentage	5.375%
6 7/8 percent senior notes due Dec 15, 2020 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Stated percentage	6.875%
Adjustments for New Accounting Principle, Early Adoption [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Unamortized Debt Issuance Expense	25,000,000	27,000,000
Revolving Credit Facility [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Debt Issuance Cost	13,000,000
Unused Borrowing Capacity	1,078,000,000
Borrowings outstanding	88,000,000
Net carrying amount of debt	75,000,000
Revolving Credit Facility [Member] | Revolving Credit Facility [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Maximum borrowing capacity	1,200,000,000
Revolving Credit Facility [Member] | Tranche Term Facility [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Debt Issuance Cost	2,000,000
Net carrying amount of debt	294,000,000
Long-term Debt, Gross	296,000,000
Revolving Credit Facility [Member] | Letter of Credit (Member)
Long Term Debt And Other Financing Arrangement [Line Items]
Line of credit facility letters of credit outstanding	34,000,000
Revolving Credit Facility [Member] | 5 3/8 percent senior notes due December 15, 2024 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Debt Issuance Cost	4,000,000
Net carrying amount of debt	221,000,000
Unsecured debt	225,000,000
Revolving Credit Facility [Member] | 6 7/8 percent senior notes due Dec 15, 2020 [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Debt Issuance Cost	7,000,000
Net carrying amount of debt	493,000,000
Unsecured debt	500,000,000
Revolving Credit Facility [Member] | Other Debt [Member]
Long Term Debt And Other Financing Arrangement [Line Items]
Unsecured debt	177,000,000

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Pension Plans, Postretirement and Other Employee Benefits - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015
United States Pension Plans of US Entity, Defined Benefit [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer contributions	$ 1
Foreign Pension Plans, Defined Benefit [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer contributions	4
Pension Plans, Defined Benefit [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer estimated contributions	22
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Pension Plans, Postretirement and Other Employee Benefits [Line Items]
Employer contributions	2
Employer estimated contributions	$ 7

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Common Stock - Additional Information (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Share-based Compensation, Effect on Earnings Per Share, Basic	$ 0.01	$ 0.04
Share-based compensation, effect on earnings per share, diluted	$ 0.01	$ 0.04
Tax benefit from options exercised	$ 3
Weighted average grant-date fair value of options granted		$ 26.46
Total fair value of shares vested	4	6
Treasury Stock, Shares, Acquired	3,436,692		3,244,692
Nonqualified Employee Stock Options [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Compensation expense	1	2
Stock Option [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Unrecognized compensation costs	5
Unrecognized compensation costs, not yet recognized	0 years 8 months 12 days
Cash received from stock option exercises	2	1
Restricted Stock, Restricted Stock Units, Long Term Performance Units, SARs [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Compensation expense	6	5
Unrecognized compensation costs	30
Unrecognized compensation costs, not yet recognized	2 years 2 months 12 days
Restricted Stock [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Unrecognized compensation costs	19
Unrecognized compensation costs, not yet recognized	2 years 9 months 17 days
Total fair value of restricted shares vested	$ 6	$ 7

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Financial Instruments

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Financial Instruments

Financial Instruments

The net carrying and estimated fair values of our financial instruments by class at March 31, 2015 and December 31, 2014 were as follows:

	March 31, 2015				December 31, 2014
	Net Carrying Amount		Fair Value		Net Carrying Amount		Fair Value
	(Millions)
Long-term debt (including current maturities)	$	1,129	$	1,194	$	1,044	$	1,106
Instruments with off-balance sheet risk:
Foreign exchange forward contracts:
Asset derivative contracts	—		—		—		—

Asset and Liability Instruments — The fair value of cash and cash equivalents, short and long-term receivables, accounts payable, and short-term debt was considered to be the same as or was not determined to be materially different from the carrying amount.

Long-term Debt — The fair value of our public fixed rate senior notes is based on quoted market prices (level 1). The fair value of our private borrowings under our senior credit facility and other long-term debt instruments is based on the market value of debt with similar maturities, interest rates and risk characteristics (level 2). The fair value of our level 1 debt, as classified in the fair value hierarchy, was $764 million and $759 million at March 31, 2015 and December 31, 2014, respectively. We have classified $385 million and $301 million as level 2 in the fair value hierarchy at March 31, 2015 and December 31, 2014, respectively, since we use valuation inputs that are observable both directly and indirectly. We classified the remaining $45 million and $46 million, consisting of foreign subsidiary debt, as level 3 in the fair value hierarchy at March 31, 2015 and December 31, 2014, respectively.

The fair value hierarchy definition prioritizes the inputs used in measuring fair value into the following levels:

Level 1	—	Quoted prices in active markets for identical assets or liabilities.
Level 2	—	Inputs, other than quoted prices in active markets, that are observable either directly or indirectly.
Level 3	—	Unobservable inputs based on our own assumptions.

Foreign Exchange Forward Contracts — We use derivative financial instruments, principally foreign currency forward purchase and sales contracts with terms of less than one year, to hedge our exposure to changes in foreign currency exchange rates. Our primary exposure to changes in foreign currency rates results from intercompany loans made between affiliates to minimize the need for borrowings from third parties. Additionally, we enter into foreign currency forward purchase and sale contracts to mitigate our exposure to changes in exchange rates on certain intercompany and third-party trade receivables and payables. We manage counter-party credit risk by entering into derivative financial instruments with major financial institutions that can be expected to fully perform under the terms of such agreements. We do not enter into derivative financial instruments for speculative purposes. The fair value of our foreign currency forward contracts is based on an internally developed model which incorporates observable inputs including quoted spot rates, forward exchange rates and discounted future expected cash flows utilizing market interest rates with similar quality and maturity characteristics. We record the change in fair value of these foreign exchange forward contracts as part of currency gains (losses) within cost of sales in the condensed consolidated statements of income. The fair value of foreign exchange forward contracts are recorded in prepayments and other current assets or other current liabilities in the condensed consolidated balance sheet. The fair value of our foreign exchange forward contracts was a net liability position of less than $1 million at both March 31, 2015 and December 31, 2014.

The following table summarizes by major currency the notional amounts for foreign currency forward purchase and sale contracts as of March 31, 2015 (all of which mature in 2015):

		Notional Amount in Foreign Currency
		(Millions)
Australian dollars	—Purchase	1
British pounds	—Sell	(46	)
Canadian dollars	—Sell	(20	)
European euro	—Purchase	11
	—Sell	(5	)
South African rand	—Purchase	138
Japanese yen	—Purchase	136
	—Sell	(790	)
U.S. dollars	—Purchase	94
	—Sell	(22	)
Other	—Purchase	1

Guarantees —We have from time to time issued guarantees for the performance of obligations by some of our subsidiaries, and some of our subsidiaries have guaranteed our debt. All of our existing and future material domestic wholly-owned subsidiaries fully and unconditionally guarantee our senior credit facility and our senior notes on a joint and several basis. The arrangement for the senior credit facility is also secured by first-priority liens on substantially all our domestic assets and pledges of up to 66 percent of the stock of certain first-tier foreign subsidiaries. No assets or capital stock secure our senior notes. For additional information, refer to Note 13 of our condensed consolidated financial statements, where we present the Supplemental Guarantor Condensed Consolidating Financial Statements.

We have two performance guarantee agreements in the U.K. between Tenneco Management Europe Limited (“TMEL”) and the two Walker Group Retirement Plans, the Walker Group Employee Benefit Plan and the Walker Group Executive Retirement Benefit Plan (the “Walker Plans”), whereby TMEL will guarantee the payment of all current and future pension contributions in the event of a payment default by the sponsoring or participating employers of the Walker Plans. The Walker Plans are comprised of employees from Tenneco Walker (U.K.) Limited and our Futaba-Tenneco U.K. joint venture. Employer contributions are funded by both Tenneco Walker (U.K.) Limited, as the sponsoring employer and Futaba-Tenneco U.K., as a participating employer. The performance guarantee agreements are expected to remain in effect until all pension obligations for the Walker Plans’ sponsoring and participating employers have been satisfied. The maximum amount payable for these pension performance guarantees that is not attributable to Tenneco is approximately $8 million as of March 31, 2015 which is determined by taking 105 percent of the liability of the Walker Plans calculated under section 179 of the U.K. Pension Act of 2004 offset by plan assets multiply by ownership percent attributable to Futaba-Tenneco U.K. We did not record an additional liability for this performance guarantee since Tenneco Walker (U.K.) Limited, as the sponsoring employer of the Walker Plans, already recognizes 100 percent of the pension obligation calculated based on U.S. GAAP, for all of the Walker Plans’ participating employers on its balance sheet, which was $15 million and $17 million at March 31, 2015 and December 31, 2014, respectively. At March 31, 2015, all pension contributions under the Walker Plans were current for all of the Walker Plans’ sponsoring and participating employers.

In June 2011, we entered into an indemnity agreement between TMEL and Futaba Industrial Co. Ltd. which requires Futaba to indemnify TMEL for any cost, loss or liability which TMEL may incur under the performance guarantee agreements relating to the Futaba-Tenneco U.K. joint venture. The maximum amount reimbursable by Futaba to TMEL under this indemnity agreement is equal to the amount incurred by TMEL under the performance guarantee agreements multiplied by Futaba’s shareholder ownership percentage of the Futaba-Tenneco U.K. joint venture. At March 31, 2015, the maximum amount reimbursable by Futaba to TMEL is approximately $8 million.

We have issued letters of credit in connection with some obligations of our affiliates. As of March 31, 2015, we have issued $38 million in letters of credit to support some of our subsidiaries’ insurance arrangements, foreign employee benefit programs, environmental remediation activities and cash management and capital requirements.

Financial Instruments — One of our European subsidiaries receives payment from one of its customers whereby the accounts receivable are satisfied through the early delivery of financial instruments. We may collect these financial instruments before their maturity date by either selling them at a discount or using them to satisfy accounts receivable that have previously been sold to a European bank. Any of these financial instruments which are not sold are classified as other current assets. The amount of these financial instruments that was collected before their maturity date and sold at a discount totaled $1 million at both March 31, 2015 and December 31, 2014. No such financial instruments were held by our European subsidiary as of March 31, 2015 or December 31, 2014.

In certain instances, several of our Chinese subsidiaries receive payments from customers through the receipt of financial instruments on the date the customer payments are due. Several of our Chinese subsidiaries also satisfy vendor payments through the delivery of financial instruments on the date the payments are due. Financial instruments issued to satisfy vendor payables and not redeemed totaled $35 million and $24 million at March 31, 2015 and December 31, 2014, respectively, and were classified as notes payable. Financial instruments received from OE customers and not redeemed totaled $20 million and $17 million at March 31, 2015 and December 31, 2014, respectively. We classify financial instruments received from our customers as other current assets if issued by a financial institution of our customers or as customer notes and accounts, net if issued by our customer. We classified $20 million and $17 million in other current assets at March 31, 2015 and December 31, 2014, respectively. Some of our Chinese subsidiaries that issue their own financial instruments to pay vendors are required to maintain a cash balance if they exceed certain credit limits with the financial institution that guarantees those financial instruments. A restricted cash balance was required at those Chinese subsidiaries at March 31, 2015 for less than $1 million and was not required December 31, 2014.

The financial instruments received by one of our European subsidiaries and some of our Chinese subsidiaries are drafts drawn that are payable at a future date and, in some cases, are negotiable and/or are guaranteed by banks of the customers. The use of these instruments for payment follows local commercial practice. Because certain of such financial instruments are guaranteed by our customers’ banks, we believe they represent a lower financial risk than the outstanding accounts receivable that they satisfy which are not guaranteed by a bank.

Supply Chain Financing — Near the end of the second quarter of 2013 certain of our suppliers in the U.S. extended their payment terms to Tenneco. The liquidity benefit to Tenneco from the extended payment terms totaled $18 million at March 31, 2015. These suppliers also began participating in a supply chain financing program under which they securitize their accounts receivables from Tenneco with two financial institutions. The financial institutions participate in the supply chain financing program on an uncommitted basis and can cease purchasing receivables from Tenneco's suppliers at any time. If the financial institutions did not continue to purchase receivables from Tenneco's suppliers under this program, the participating vendors could reduce their payment terms to Tenneco which in turn would cause our borrowings under our revolving credit facility to increase.

Restricted Cash - Some of our Chinese subsidiaries are required to maintain a cash balance if they exceed credit limits with the financial institution that guarantees the financial instruments issued by Tenneco to pay vendors. At the end of the first quarter of 2015, one of our Chinese subsidiaries exceeded their credit limits and was required to maintain a cash balance. The cash balance required was less than$1 millionwhich has been classified as restricted cash on the Tenneco Inc. consolidated balance sheet atMarch 31, 2015.

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Environmental Matters, Litigation and Product Warranties - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015 defendent LegalMatter State federal_superfund_site
Environmental Matters, Litigation and Product Warranties [Line Items]
Cost of Services, Environmental Remediation, Year Two	$ 1
Number of Federal Super Fund sites	1
Environmental remediation accrual, discounted basis	15
Portion of environmental remediation costs recorded in other current liabilities	2
Portion of environmental remediation costs recorded in deferred credits and other liabilities	13
Weighted average discount rate	2.20%
Environmental remediation accrual, undiscounted basis	18
Cost of services, environmental remediation, next twelve months	2
Cost of services, environmental remediation, year four	1
Cost of Services, Environmental Remediation, Year Four	1
Cost of services, environmental remediation, year five	1
Cost of services, environmental remediation, thereafter	$ 12
Number of states for which we are subject to an audit with respect to payment of unclaimed property	11
Number of years subject to audit with respect to payment of unclaimed property	30 years
Number of complaints filed alleging exposure to asbestos from our product categories	20,000
Current docket of active and inactive cases nationwide relating to alleged exposure to asbestos from our product categories (less than 500 cases)	500
Number of defendants in many asbestos related cases	100

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Segment Information (Tables)

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Segment Information

The following table summarizes certain Tenneco Inc. segment information:

	Clean Air Division						Ride Performance Division
	North America		Europe, South America & India		Asia Pacific		North America		Europe, South America & India		Asia Pacific		Other			Reclass & Elims			Total
	(Millions)
At March 31, 2015 and for the Three Months Ended March 31, 2015
Revenues from external customers	$	684	$	457	$	264	$	331	$	230	$	57	$	—		$	—		$	2,023
Intersegment revenues	4		27		—		3		7		12		—			(53		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	54		10		27		35		8		10		(24		)	—			120
Total assets	1,255		812		606		730		480		225		—			31			4,139
At March 31, 2014 and for the Three Months Ended March 31, 2014
Revenues from external customers	698		506		240		335		263		52		—			—			2,094
Intersegment revenues	7		29		—		3		10		9		—			(58		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	56		9		20		30		16		7		(25		)	—			113
Total assets	1,197		908		563		701		557		219		—			34			4,179

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Pension Plans, Postretirement and Other Employee Benefits (Tables)

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Components of Net Periodic Benefit Cost

Net periodic pension costs and postretirement benefit costs consist of the following components:

	Three Months Ended March 31,
	Pension												Postretirement
	2015						2014						2015			2014
	US			Foreign			US			Foreign			US			US
	(Millions)
Service cost — benefits earned during the period	$	—		$	2		$	—		$	2		$	—		$	—
Interest cost	5			4			5			5			1			1
Expected return on plan assets	(6		)	(5		)	(6		)	(6		)	—			—
Curtailment loss	—			—			—
Settlement loss	—			—			—			—			—			—
Net amortization:
Actuarial loss	2			2			2			2			1			1
Prior service cost	—			—			—			—			(1		)	(2		)
Net pension and postretirement costs	$	1		$	3		$	1		$	3		$	1		$	—

For

Amounts Recognized for Pension and Postretirement Benefits in Other Comprehensive Income

Amounts recognized for pension and postretirement benefits in other comprehensive income for the three months ended March 31, 2015 and 2014 include the following components:

	Three Months Ended March 31,
	2015									2014
	Before-Tax Amount			Tax Benefit			Net-of-Tax Amount			Before- Tax Amount		Tax Benefit			Net-of-Tax Amount
	(Millions)
Defined benefit pension and postretirement plans:
Amortization of prior service cost included in net periodic pension and postretirement cost	$	(1	)	$	—		$	(1	)	$	—	$	—		$	—
Amortization of actuarial loss included in net periodic pension and postretirement cost	5			(1		)	4			4		(1		)	3
Other comprehensive income – pension benefits	$	4		$	(1	)	$	3		$	4	$	(1	)	$	3

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Supplemental Guarantor Condensed Consolidating Financial Statements - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Condensed Financial Information of Parent Company Only Disclosure [Abstract]
Ownership percentage of existing and future material domestic owned subsidiaries	100.00%
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Intercompany dividend payments and net increase (decrease) in intercompany obligations	$ 0	$ 0
Comprehensive income (loss) attributable to Tenneco Inc.	(20)	43
Correction To Other Comprehensive Income (Loss) [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Comprehensive income (loss) attributable to Tenneco Inc.		$ 3

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Warranty Accrual Rollforward (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Beginning Balance January 1,	$ 26	$ 24
Accruals related to product warranties	3	5
Reductions for payments made	(4)	(5)
Ending Balance March 31,	$ 25	$ 24

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Supplemental Guarantor Condensed Consolidating Financial Statements (Tables)

3 Months Ended

Mar. 31, 2015

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Statement of Comprehensive Income (Loss)

STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	For the Three Months Ended March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
Revenues
Net sales and operating revenues —
External	$	897		$	1,126		$	—		$	—		$	2,023
Affiliated companies	106			145			—			(251		)	—
	1,003			1,271			—			(251		)	2,023
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	842			1,095			—			(251		)	1,686
Engineering, research, and development	21			20			—			—			41
Selling, general, and administrative	46			77			2			—			125
Depreciation and amortization of other intangibles	22			28			—			—			50
	931			1,220			2			(251		)	1,902
Other income (expense)
Loss on sale of receivables	—			(1		)	—			—			(1		)
Other income (expense)	(4		)	4			—			—			—
	(4		)	3			—			—			(1		)
Earnings (loss) before interest expense, income taxes, noncontrolling interests, and equity in net income from affiliated companies	68			54			(2		)	—			120
Interest expense —
External (net of interest capitalized)	—			—			16			—			16
Affiliated companies (net of interest income)	17			(17		)	—			—			—
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	51			71			(18		)	—			104
Income tax expense	18			23			—			—			41
Equity in net income (loss) from affiliated companies	30			—			67			(97		)	—
Net Income (loss)	63			48			49			(97		)	63
Less: Net income attributable to noncontrolling interests	—			14			—			—			14
Net income (loss) attributable to Tenneco Inc.	$	63		$	34		$	49		$	(97	)	$	49
Comprehensive income (loss) attributable to Tenneco Inc.	$	63		$	34		$	(20	)	$	(97	)	$	(20	)

STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	For the Three Months Ended March 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
Revenues
Net sales and operating revenues —
External	$	920		$	1,174		$	—		$	—		$	2,094
Affiliated companies	103			148			—			(251		)	—
	1,023			1,322			—			(251		)	2,094
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	802			1,203			—			(251		)	1,754
Engineering, research, and development	22			20			—			—			42
Selling, general, and administrative	51			79			2			—			132
Depreciation and amortization of other intangibles	21			30			—			—			51
	896			1,332			2			(251		)	1,979
Other income (expense)
Loss on sale of receivables	—			(1		)	—			—			(1		)
Other income (expense)	(2		)	1			—			—			(1		)
	(2		)	—			—			—			(2		)
Earnings (loss) before interest expense, income taxes, noncontrolling interests, and equity in net income from affiliated companies	125			(10		)	(2		)	—			113
Interest expense —
External (net of interest capitalized)	—			—			19			—			19
Affiliated companies (net of interest income)	16			(16		)	—			—			—
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	109			6			(21		)	—			94
Income tax expense	30			10			—			—			40
Equity in net income (loss) from affiliated companies	(15		)	—			67			(52		)	—
Net income (loss)	64			(4		)	46			(52		)	54
Less: Net income attributable to noncontrolling interests	—			8			—			—			8
Net income (loss) attributable to Tenneco Inc.	$	64		$	(12	)	$	46		$	(52	)	$	46
Comprehensive income (loss) attributable to Tenneco Inc.	$	64		$	(12	)	$	43		$	(52	)	$	43

Balance Sheet

BALANCE SHEET

	March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	288		$	—		$	—		$	288
Receivables, net	464			1,378			—			(590		)	1,252
Inventories	339			378			—			—			717
Deferred income taxes	47			24			7			—			78
Prepayments and other	70			209			—			—			279
Total current assets	920			2,277			7			(590		)	2,614
Other assets:
Investment in affiliated companies	1,104			—			771			(1,875		)	—
Notes and advances receivable from affiliates	924			11,056			4,927			(16,907		)	—
Long-term receivables, net	11			1			—			—			12
Goodwill	22			41			—			—			63
Intangibles, net	12			15			—			—			27
Deferred income taxes	80			16			56			—			152
Other	36			50			—			—			86
	2,189			11,179			5,754			(18,782		)	340
Plant, property, and equipment, at cost	1,260			2,105			—			—			3,365
Less — Accumulated depreciation and amortization	(860		)	(1,320		)	—			—			(2,180		)
	400			785			—			—			1,185
Total assets	$	3,509		$	14,241		$	5,761		$	(19,372	)	$	4,139
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	$	—		$	117		$	15		$	—		$	132
Short-term debt — affiliated	147			254			—			(401		)	—
Trade payables	553			979			—			(141		)	1,391
Accrued taxes	(21		)	39			33			—			51
Other	125			234			15			(48		)	326
Total current liabilities	804			1,623			63			(590		)	1,900
Long-term debt — non-affiliated	—			44			1,084			—			1,128
Long-term debt — affiliated	1,801			10,964			4,142			(16,907		)	—
Deferred income taxes	—			18			—			—			18
Postretirement benefits and other liabilities	413			112			(2		)	5			528
Commitments and contingencies
Total liabilities	3,018			12,761			5,287			(17,492		)	3,574
Redeemable noncontrolling interests	—			43			—			—			43
Tenneco Inc. shareholders’ equity	491			1,389			474			(1,880		)	474
Noncontrolling interests	—			48			—			—			48
Total equity	491			1,437			474			(1,880		)	522
Total liabilities, redeemable noncontrolling interests and equity	$	3,509		$	14,241		$	5,761		$	(19,372	)	$	4,139

BALANCE SHEET

	December 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)		Reclass & Elims			Consolidated
	(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$	10		$	272		$	—	$	—		$	282
Restricted cash	—			3			—		—			3
Receivables, net	408			1,309			—		(629		)	1,088
Inventories	312			376			—		—			688
Deferred income taxes	49			25			7		—			81
Prepayments and other	96			188			—		—			284
Total current assets	875			2,173			7		(629		)	2,426
Other assets:
Investment in affiliated companies	1,064			—			764		(1,828		)	—
Notes and advances receivable from affiliates	944			10,589			4,844		(16,377		)	—
Long-term receivables, net	12			—			—		—			12
Goodwill	22			43			—		—			65
Intangibles, net	10			16			—		—			26
Deferred income taxes	76			14			53		—			143
Other	40			53			—		—			93
	2,168			10,715			5,661		(18,205		)	339
Plant, property, and equipment, at cost	1,236			2,254			—		—			3,490
Less — Accumulated depreciation and amortization	(845		)	(1,427		)	—		—			(2,272		)
	391			827			—		—			1,218
Total assets	$	3,434		$	13,715		$	5,668	$	(18,834	)	$	3,983
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	$	—		$	54		$	6	$	—		$	60
Short-term debt — affiliated	243			220			9		(472		)	—
Trade payables	478			1,000			—		(106		)	1,372
Accrued taxes	(15		)	31			24		—			40
Other	134			241			3		(51		)	327
Total current liabilities	840			1,546			42		(629		)	1,799
Long-term debt — non-affiliated	—			44			998		—			1,042
Long-term debt — affiliated	1,730			10,516			4,131		(16,377		)	—
Deferred income taxes	—			18			—		—			18
Postretirement benefits and other liabilities	418			129			—		4			551
Commitments and contingencies
Total liabilities	2,988			12,253			5,171		(17,002		)	3,410
Redeemable noncontrolling interests	—			35			—		—			35
Tenneco Inc. shareholders’ equity	446			1,386			497		(1,832		)	497
Noncontrolling interests	—			41			—		—			41
Total equity	446			1,427			497		(1,832		)	538
Total liabilities, redeemable noncontrolling interests and equity	$	3,434		$	13,715		$	5,668	$	(18,834	)	$	3,983

Statement of Cash Flows

STATEMENT OF CASH FLOWS

	Three Months Ended March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims		Consolidated
	(Millions)
Operating Activities
Net cash provided (used) by operating activities	$	(74	)	$	26		$	(2	)	$	—	$	(50	)
Investing Activities
Proceeds from sale of assets	—			1			—			—		1
Cash payments for plant, property, and equipment	(27		)	(50		)	—			—		(77		)
Cash payments for software related intangible assets	(2		)	(3		)	—			—		(5		)
Changes in restricted cash	—			3			—			—		3
Net cash used by investing activities	(29		)	(49		)	—			—		(78		)
Financing Activities
Tax benefit from stock-based compensation	—			—			3			—		3
Retirement of long-term debt	—			—			(4		)	—		(4		)
Purchase of common stock under the share repurchase program	—			—			(11		)	—		(11		)
Increase (decrease) in bank overdrafts	—			(8		)	—			—		(8		)
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	—			64			47			—		111
Net increase (decrease) in short-term borrowings secured by accounts receivables	—			—			50			—		50
Intercompany dividend payments and net increase (decrease) in intercompany obligations	93			(10		)	(83		)	—		—
Net cash provided (used) by financing activities	93			46			2			—		141
Effect of foreign exchange rate changes on cash and cash equivalents	—			(7		)	—			—		(7		)
Increase (decrease) in cash and cash equivalents	(10		)	16			—			—		6
Cash and cash equivalents, January 1	10			272			—			—		282
Cash and cash equivalents, March 31 (Note)	$	—		$	288		$	—		$	—	$	288

Note: Cash and cash equivalents include highly liquid investments with a maturity of three months or less at the date of purchase.

STATEMENT OF CASH FLOWS

	Three Months Ended March 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims		Consolidated
	(Millions)
Operating Activities
Net cash provided (used) by operating activities	$	(208	)	$	90		$	(22	)	$	—	$	(140	)
Investing Activities
Cash payments for plant, property, and equipment	(25		)	(58		)	—			—		(83		)
Cash payments for software related intangible assets	(4		)	(3		)	—			—		(7		)
Changes in restricted cash	—			(1		)						(1		)
Net cash used by investing activities	(29		)	(62		)	—			—		(91		)
Financing Activities
Issuance (repurchase) of common shares	—			—			(2		)	—		(2		)
Tax benefit from stock-based compensation	—			—			12			—		12
Retirement of long-term debt	—			—			(3		)	—		(3		)
Increase (decrease) in bank overdrafts	—			4			—			—		4
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	—			24			173			—		197
Net increase in short-term borrowings secured by accounts receivable	—			—			20			—		20
Intercompany dividend payments and net increase (decrease) in intercompany obligations	233			(55		)	(178		)	—		—
Capital contribution from noncontrolling interest partner	—			1			—			—		1
Net cash provided (used) by financing activities	233			(26		)	22			—		229
Effect of foreign exchange rate changes on cash and cash equivalents	—			(6		)	—			—		(6		)
Increase (decrease) in cash and cash equivalents	(4		)	(4		)	—			—		(8		)
Cash and cash equivalents, January 1	6			269			—			—		275
Cash and cash equivalents, March 31 (Note)	$	2		$	265		$	—		$	—	$	267

Note: Cash and cash equivalents include highly liquid investments with a maturity of three months or less at the date of purchase.

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Consolidation and Presentation - Additional Information (Detail)	Mar. 31, 2015
Minimum [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Range of percentages of investments, equity method investments	20.00%
Maximum [Member]
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Range of percentages of investments, equity method investments	50.00%

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Consolidation and Presentation

3 Months Ended

Mar. 31, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Consolidation and Presentation

Consolidation and Presentation

As you read the accompanying financial statements you should also read our Annual Report on Form 10-K for the year ended December 31, 2014.

In our opinion, the accompanying unaudited financial statements contain all adjustments (consisting of normal recurring adjustments) necessary to present fairly Tenneco Inc.’s results of operations, comprehensive income, financial position, cash flows, and changes in shareholders’ equity for the periods indicated. We have prepared the unaudited condensed consolidated financial statements pursuant to the rules and regulations of the U.S. Securities and Exchange Commission for interim financial information. Accordingly, they do not include all of the information and footnotes required by accounting principles generally accepted in the United States of America (U.S. GAAP) for annual financial statements.

Our condensed consolidated financial statements include all majority-owned subsidiaries. We carry investments in 20 percent to 50 percent owned companies in which the Company does not have a controlling interest, as equity method investments, at cost plus equity in undistributed earnings since the date of acquisition and cumulative translation adjustments. We have eliminated all intercompany transactions.

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Carrying and Estimated Fair Value (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Reported Value Measurement [Member]
Carrying and estimated fair value
Long-term debt (including current maturities)	$ 1,129	$ 1,044
Derivatives used in Net Investment Hedge, Net of Tax	0	0
Estimate of Fair Value Measurement [Member]
Carrying and estimated fair value
Long-term debt (including current maturities)	1,194	1,106
Instruments with off-balance sheet risk:
Foreign Currency Fair Value Hedge Asset at Fair Value	$ 0	$ 0

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Accounts Receivables - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Transfers of Servicing of Financial Assets [Line Items]
Number of Commercial Banks with Accounts Receivable Securitization Programs	3
Term of Commitments	1 year
Term Of Commitments, Cancellation Period	90 days
North America [Member]
Transfers of Servicing of Financial Assets [Line Items]
North American program maximum facility size	$ 130
Additional Financing from second priority facility	50
Outstanding third party investments in securitized accounts receivable bank program	50		0
Securitization Interest Expense	1	1
Europe [Member]
Transfers of Servicing of Financial Assets [Line Items]
Outstanding third party investments in securitized accounts receivable bank program	180		153
Loss on sale of trade accounts receivable	$ 1	$ 1
Financing Cost Related To Sale Of Securitized Receivables	2.00%	3.00%

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Amounts Recognized for Pension and Postretirement Benefits in Other Comprehensive Income (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Compensation and Retirement Disclosure [Abstract]
Amortization of prior service cost included in net periodic pension and postretirement cost, Before-tax amount	$ (1)	$ 0
Amortization of actuarial loss included in net periodic pension and postretirement cost, Before-tax amount	5	4
Other comprehensive income - pension benefits, Before-tax amount	4	4
Amortization of prior service cost included in net periodic pension and postretirement cost, Tax Benefit	0	0
Amortization of actuarial loss included in net periodic pension and postretirement cost, Tax Benefit	(1)	(1)
Other comprehensive - pension benefits, Tax Benefit	(1)	(1)
Amortization of prior service cost included in net periodic pension and postretirement cost, Net-of-tax Amount	(1)	0
Amortization of actuarial loss included in net periodic pension and postretirement cost, Net-of-tax Amount	4	3
Other comprehensive income - pension benefits, Net-of-tax Amount	$ 3	$ 3

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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Revenues
Net sales and operating revenues	$ 2,023	$ 2,094
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	1,686	1,754
Engineering, research, and development	41	42
Selling, general, and administrative	125	132
Depreciation and amortization of other intangibles	50	51
Costs and expenses	1,902	1,979
Other expense
Loss on sale of receivables	(1)	(1)
Other	0	(1)
Total other income (expense)	(1)	(2)
Earnings before interest expense, income taxes, and noncontrolling interests	120	113
Interest expense (net of interest capitalized of $1 million for both three months ended March 31, 2015 and 2014, respectively)	16	19
Earnings before income taxes and noncontrolling interests	104	94
Income tax expense	41	40
Net income	63	54
Less: Net income attributable to noncontrolling interests	14	8
Net income attributable to Tenneco Inc.	$ 49	$ 46
Weighted average shares of common stock outstanding —
Basic (in shares)	61,044,908	60,549,778
Diluted (in shares)	61,593,087	61,503,302
Basic earnings per share of common stock (in dollars per share)	$ 0.81	$ 0.76
Diluted earnings per share of common stock (in dollars per share)	$ 0.80	$ 0.75

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Summary of Earnings Per Share of Common Stock (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Basic earnings per share —
Net income attributable to Tenneco Inc.	$ 49	$ 46
Weighted Average shares of common stock outstanding	61,044,908	60,549,778
Earnings per share of common stock	$ 0.81	$ 0.76
Diluted earnings per share —
Net income attributable to Tenneco Inc.	$ 49	$ 46
Weighted Average shares of common stock outstanding	61,044,908	60,549,778
Effect of dilutive securities:
Restricted stock	83,291	160,341
Stock options	464,888	793,183
Weighted Average shares of common stock outstanding including dilutive securities	61,593,087	61,503,302
Earnings per share of common stock	$ 0.80	$ 0.75

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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating Activities
Net Income	$ 63	$ 54
Adjustments to reconcile net income to cash used by operating activities —
Depreciation and amortization of other intangibles	50	51
Deferred income taxes	(6)	2
Stock-based compensation	6	5
Loss on sale of assets	0	1
Changes in components of working capital —
(Increase) decrease in receivables	(194)	(234)
(Increase) decrease in inventories	(59)	(81)
(Increase) decrease in prepayments and other current assets	(7)	(38)
Increase (decrease) in payables	77	87
Increase (decrease) in accrued taxes	12	5
Increase (decrease) in accrued interest	13	4
Increase (decrease) in other current liabilities	(2)	13
Changes in long-term assets	2	1
Changes in long-term liabilities	(3)	(13)
Other	(2)	3
Net cash used by operating activities	(50)	(140)
Investing Activities
Proceeds from the sale of assets	1	0
Cash payments for plant, property, and equipment	(77)	(83)
Cash payments for software related intangible assets	(5)	(7)
Changes in restricted cash	3	(1)
Net cash used by investing activities	(78)	(91)
Financing Activities
Issuance (repurchase) of common shares	0	(2)
Tax benefit from stock-based compensation	3	12
Retirement of long-term debt	(4)	(3)
Purchase of common stock under the share repurchase program	(11)	0
Increase (decrease) in bank overdrafts	(8)	4
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivable	111	197
Net decrease in short-term borrowings secured by accounts receivable	50	20
Capital contribution from noncontrolling interest partner	0	1
Net cash provided by financing activities	141	229
Effect of foreign exchange rate changes on cash and cash equivalents	(7)	(6)
Increase (decrease) in cash and cash equivalents	6	(8)
Cash and cash equivalents, January 1	282	275
Cash and cash equivalents, March 31 (Note)	288	267
Supplemental Cash Flow Information
Cash paid during the period for interest	4	14
Cash paid during the period for income taxes (net of refunds)	0	21
Non-cash Investing and Financing Activities
Period end balance of trade payables for plant, property, and equipment	$ 34	$ 40

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Statement of Cash Flows (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating Activities
Net cash provided (used) by operating activities	$ (50)	$ (140)
Investing Activities
Proceeds from sale of assets	1	0
Cash payments for plant, property, and equipment	(77)	(83)
Cash payments for software related intangible assets	(5)	(7)
Changes in restricted cash	3	(1)
Net cash used by investing activities	(78)	(91)
Financing Activities
Issuance (repurchase) of common shares	0	(2)
Tax benefit from stock-based compensation	3	12
Retirement of long-term debt	(4)	(3)
Purchase of common stock under the share repurchase program	(11)	0
Increase (decrease) in bank overdrafts	(8)	4
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	111	197
Net increase (decrease) in short-term borrowings secured by accounts receivables	50	20
Intercompany dividend payments and net increase (decrease) in intercompany obligations	0	0
Capital contribution from noncontrolling interest partner	0	1
Net cash provided by financing activities	141	229
Effect of foreign exchange rate changes on cash and cash equivalents	(7)	(6)
Increase (decrease) in cash and cash equivalents	6	(8)
Cash and cash equivalents, January 1	282	275
Cash and cash equivalents, March 31 (Note)	288	267
Guarantor Subsidiaries
Operating Activities
Net cash provided (used) by operating activities	(74)	(208)
Investing Activities
Proceeds from sale of assets	0
Cash payments for plant, property, and equipment	(27)	(25)
Cash payments for software related intangible assets	(2)	(4)
Changes in restricted cash	0	0
Net cash used by investing activities	(29)	(29)
Financing Activities
Issuance (repurchase) of common shares		0
Tax benefit from stock-based compensation	0	0
Retirement of long-term debt	0	0
Purchase of common stock under the share repurchase program	0
Increase (decrease) in bank overdrafts	0	0
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	0	0
Net increase (decrease) in short-term borrowings secured by accounts receivables	0	0
Intercompany dividend payments and net increase (decrease) in intercompany obligations	93	233
Capital contribution from noncontrolling interest partner		0
Net cash provided by financing activities	93	233
Effect of foreign exchange rate changes on cash and cash equivalents	0	0
Increase (decrease) in cash and cash equivalents	(10)	(4)
Cash and cash equivalents, January 1	10	6
Cash and cash equivalents, March 31 (Note)	0	2
Non-Guarantor Subsidiaries
Operating Activities
Net cash provided (used) by operating activities	26	90
Investing Activities
Proceeds from sale of assets	1
Cash payments for plant, property, and equipment	(50)	(58)
Cash payments for software related intangible assets	(3)	(3)
Changes in restricted cash	3	(1)
Net cash used by investing activities	(49)	(62)
Financing Activities
Issuance (repurchase) of common shares		0
Tax benefit from stock-based compensation	0	0
Retirement of long-term debt	0	0
Purchase of common stock under the share repurchase program	0
Increase (decrease) in bank overdrafts	(8)	4
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	64	24
Net increase (decrease) in short-term borrowings secured by accounts receivables	0	0
Intercompany dividend payments and net increase (decrease) in intercompany obligations	(10)	(55)
Capital contribution from noncontrolling interest partner		1
Net cash provided by financing activities	46	(26)
Effect of foreign exchange rate changes on cash and cash equivalents	(7)	(6)
Increase (decrease) in cash and cash equivalents	16	(4)
Cash and cash equivalents, January 1	272	269
Cash and cash equivalents, March 31 (Note)	288	265
Tenneco Inc
Operating Activities
Net cash provided (used) by operating activities	(2)	(22)
Investing Activities
Proceeds from sale of assets	0
Cash payments for plant, property, and equipment	0	0
Cash payments for software related intangible assets	0	0
Changes in restricted cash	0
Net cash used by investing activities	0	0
Financing Activities
Issuance (repurchase) of common shares		(2)
Tax benefit from stock-based compensation	3	12
Retirement of long-term debt	(4)	(3)
Purchase of common stock under the share repurchase program	(11)
Increase (decrease) in bank overdrafts	0	0
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	47	173
Net increase (decrease) in short-term borrowings secured by accounts receivables	50	20
Intercompany dividend payments and net increase (decrease) in intercompany obligations	(83)	(178)
Capital contribution from noncontrolling interest partner		0
Net cash provided by financing activities	2	22
Effect of foreign exchange rate changes on cash and cash equivalents	0	0
Increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents, January 1	0	0
Cash and cash equivalents, March 31 (Note)	0	0
Reclass & Elims
Operating Activities
Net cash provided (used) by operating activities	0	0
Investing Activities
Proceeds from sale of assets	0
Cash payments for plant, property, and equipment	0	0
Cash payments for software related intangible assets	0	0
Changes in restricted cash	0
Net cash used by investing activities	0	0
Financing Activities
Issuance (repurchase) of common shares		0
Tax benefit from stock-based compensation	0	0
Retirement of long-term debt	0	0
Purchase of common stock under the share repurchase program	0
Increase (decrease) in bank overdrafts	0	0
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	0	0
Net increase (decrease) in short-term borrowings secured by accounts receivables	0	0
Intercompany dividend payments and net increase (decrease) in intercompany obligations	0	0
Capital contribution from noncontrolling interest partner		0
Net cash provided by financing activities	0	0
Effect of foreign exchange rate changes on cash and cash equivalents	0	0
Increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents, January 1	0	0
Cash and cash equivalents, March 31 (Note)	$ 0	$ 0

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Summarization for Foreign Currency Forward Purchase and Sale Contracts (Detail) (Foreign Exchange Forward Contracts [Member]) In Millions, unless otherwise specified	Mar. 31, 2015 Australia, Dollars Long [Member] AUD	Mar. 31, 2015 United Kingdom, Pounds Short [Member] GBP (£)	Mar. 31, 2015 Canada, Dollars Short [Member] CAD	Mar. 31, 2015 Euro Member Countries, Euro Long [Member] EUR (€)	Mar. 31, 2015 Euro Member Countries, Euro Short [Member] EUR (€)	Mar. 31, 2015 South Africa, Rand Long [Member] ZAR	Mar. 31, 2015 Japan, Yen Long [Member] JPY (¥)	Mar. 31, 2015 Japan, Yen Short [Member] JPY (¥)	Mar. 31, 2015 United States of America, Dollars Long [Member] USD ($)	Mar. 31, 2015 United States of America, Dollars Short [Member] USD ($)	Mar. 31, 2015 Other Currency [Member] Long [Member] USD ($)
Derivative [Line Items]
Notional Amount in Foreign Currency	(1)	£ (46)	(20)	€ (11)	€ (5)	(138)	¥ (136)	¥ (790)	$ (94)	$ (22)	$ (1)

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Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

Carrying and Estimated Fair Value

The net carrying and estimated fair values of our financial instruments by class at March 31, 2015 and December 31, 2014 were as follows:

	March 31, 2015				December 31, 2014
	Net Carrying Amount		Fair Value		Net Carrying Amount		Fair Value
	(Millions)
Long-term debt (including current maturities)	$	1,129	$	1,194	$	1,044	$	1,106
Instruments with off-balance sheet risk:
Foreign exchange forward contracts:
Asset derivative contracts	—		—		—		—

Summarization for Foreign Currency Forward Purchase and Sale Contracts

The following table summarizes by major currency the notional amounts for foreign currency forward purchase and sale contracts as of March 31, 2015 (all of which mature in 2015):

		Notional Amount in Foreign Currency
		(Millions)
Australian dollars	—Purchase	1
British pounds	—Sell	(46	)
Canadian dollars	—Sell	(20	)
European euro	—Purchase	11
	—Sell	(5	)
South African rand	—Purchase	138
Japanese yen	—Purchase	136
	—Sell	(790	)
U.S. dollars	—Purchase	94
	—Sell	(22	)
Other	—Purchase	1

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Financial Instruments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Financial Instruments [Line Items]
Maximum percentage of stock of certain first tier foreign subsidiaries pledged to secure senior credit facility	66.00%
Line of credit facility letters of credit outstanding	$ 38
Financial Instruments Collected Before Maturity Date And Sold At Discount	1	1
Financial Instruments Not Redeemed And Used For Vendor Payment	35	24
Financial Instruments Received From One Customer Not Redeemed	20	17
Financial Instruments Received Classified As Other Current Assets	20	17
Extended Payment Term	18
TMEL and Walker Plans [Member]
Financial Instruments [Line Items]
Number of performance guarantee agreements	2
Number of group benefit plans under the agreement	2
Maximum amount payable to third parties for pension performance guarantees	8
Percentage of liability considered to determine maximum amount payable for pension performance guarantees	105.00%
Percentage of the pension obligation recognized for participating employers	100.00%
Pension obligation of participating employers recognized on the balance sheet	15	17
TMEL and Futaba [Member]
Financial Instruments [Line Items]
Maximum amount reimbursable under indemnity agreement	8
CHINA | Subsidiaries [Member]
Financial Instruments [Line Items]
Restricted Cash and Cash Equivalents	$ 1

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Restructuring and Other Charges (Tables)

3 Months Ended

Mar. 31, 2015

Restructuring and Related Activities [Abstract]

Roll Forward of Restructuring Reserve

Amounts related to activities that are part of our restructuring reserves are as follows:

	December 31, 2014 Restructuring Reserve		2015 Expenses	2015 Cash Payments		Impact of Exchange Rates		March 31, 2015 Restructuring Reserve
	(Millions)
Employee Severance, Termination Benefits and Other Related Costs		$40	5	(8	)	(4	)		$33

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CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS EQUITY (USD $) In Millions, except Share data, unless otherwise specified	Total	Common Stock	Premium on Common Stock and Other Capital Surplus	Accumulated Other Comprehensive Loss	Retained Earnings (Accumulated Deficit)	Less — Common Stock Held as Treasury Stock, at Cost	Tenneco Inc.	Noncontrolling Interests
Beginning balance at Dec. 31, 2013		$ 1	$ 3,014	$ (360)	$ (1,921)	$ 301		$ 39
Beginning balance at Dec. 31, 2013		63,714,728				2,844,692
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Premium on common stock issued pursuant to benefit plans			15
Other comprehensive income (loss)				(3)				(1)
Net income attributable to Tenneco Inc.	46				46
Purchase of common stock through stock repurchase program						0
Net income								4
Purchase of common stock through stock repurchase program, Shares						0
Issued pursuant to benefit plans		82,743
Stock options exercised		25,595
Ending balance at Mar. 31, 2014	533	1	3,029	(363)	(1,875)	301	491	42
Ending balance at Mar. 31, 2014		63,823,066				2,844,692
Beginning balance at Dec. 31, 2014	538	1	3,059	(545)	(1,695)	323		41
Beginning balance at Dec. 31, 2014		64,454,248				3,244,692
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Premium on common stock issued pursuant to benefit plans			8
Other comprehensive income (loss)				(69)				1
Net income attributable to Tenneco Inc.	49				49
Purchase of common stock through stock repurchase program						11
Net income								6
Purchase of common stock through stock repurchase program, Shares						192,000
Issued pursuant to benefit plans		295,682
Stock options exercised	96,997	97,097
Ending balance at Mar. 31, 2015	$ 522	$ 1	$ 3,067	$ (614)	$ (1,646)	$ 334	$ 474	$ 48
Ending balance at Mar. 31, 2015		64,847,027				3,436,692

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CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Income Statement [Abstract]
Capitalized interest	$ 1	$ 1

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Pension Plans, Postretirement and Other Employee Benefits

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Pension Plans, Postretirement and Other Employee Benefits

Pension Plans, Postretirement and Other Employee Benefits

Net periodic pension costs and postretirement benefit costs consist of the following components:

	Three Months Ended March 31,
	Pension												Postretirement
	2015						2014						2015			2014
	US			Foreign			US			Foreign			US			US
	(Millions)
Service cost — benefits earned during the period	$	—		$	2		$	—		$	2		$	—		$	—
Interest cost	5			4			5			5			1			1
Expected return on plan assets	(6		)	(5		)	(6		)	(6		)	—			—
Curtailment loss	—			—			—
Settlement loss	—			—			—			—			—			—
Net amortization:
Actuarial loss	2			2			2			2			1			1
Prior service cost	—			—			—			—			(1		)	(2		)
Net pension and postretirement costs	$	1		$	3		$	1		$	3		$	1		$	—

For the three months ended March 31, 2015, we made pension contributions of less than $1 million and $4 million for our domestic and foreign pension plans, respectively. Based on current actuarial estimates, we believe we will be required to contribute approximately $22 million for the remainder of 2015. Pension contributions beyond 2015 will be required, but those amounts will vary based upon many factors including, for example, the performance of our pension fund investments during 2015.

We made postretirement contributions of approximately $2 million during the first three months of 2015. Based on current actuarial estimates, we believe we will be required to contribute approximately $7 million for the remainder of 2015.

The assets of some of our pension plans are invested in trusts that permit commingling of the assets of more than one employee benefit plan for investment and administrative purposes. Each of the plans participating in the trust has interests in the net assets of the underlying investment pools of the trusts. The investments for all our pension plans are recorded at estimated fair value, in compliance with the accounting guidance on fair value measurement.

Amounts recognized for pension and postretirement benefits in other comprehensive income for the three months ended March 31, 2015 and 2014 include the following components:

	Three Months Ended March 31,
	2015									2014
	Before-Tax Amount			Tax Benefit			Net-of-Tax Amount			Before- Tax Amount		Tax Benefit			Net-of-Tax Amount
	(Millions)
Defined benefit pension and postretirement plans:
Amortization of prior service cost included in net periodic pension and postretirement cost	$	(1	)	$	—		$	(1	)	$	—	$	—		$	—
Amortization of actuarial loss included in net periodic pension and postretirement cost	5			(1		)	4			4		(1		)	3
Other comprehensive income – pension benefits	$	4		$	(1	)	$	3		$	4	$	(1	)	$	3

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Document and Entity Information	3 Months Ended
	Mar. 31, 2015	May 01, 2015
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Entity Registrant Name	TENNECO INC
Entity Central Index Key	0001024725
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		61,360,800

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New Accounting Pronouncements

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

New Accounting Pronouncements

New Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued an amendment on revenue recognition. The amendment in this update creates Topic 606, Revenue from Contracts with Customers, and supersedes the revenue recognition requirements in Topic 605, Revenue Recognition, including most industry-specific revenue recognition guidance throughout the Industry Topics of the Codification. In addition, the amendment supersedes the cost guidance in Subtopic 605-35, Revenue Recognition-Construction-Type and Production-Type Contracts, and creates new Subtopic 340-40, Other Assets and Deferred Costs-Contracts with Customers. The core principle of Topic 606 is that an entity recognizes revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The amendment is effective for reporting periods beginning after December 15, 2016 for public entities. We will adopt this amendment on January 1, 2017. We are currently evaluating the potential impact of this new guidance on our consolidated financial statements.

In April 2015, the FASB issued Accounting Standard Update 2015-03, Simplifying the Presentation of Debt Issuance Costs, which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the associated debt liability. For public business entities, the standard is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments in this update is permitted for financial statements that have not been previously issued. We adopted this standard for the first quarter of 2015 and applied retrospectively. Please refer to note 3 in our notes to condensed consolidated financial statements located in Part I Item 1 of this Form 10-Q for further discussion.

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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	$ 63	$ 54
Translation of foreign currency statements	(71)	(8)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	3
Other Comprehensive Loss	(68)	(5)
Comprehensive Income	(5)	49
Cumulative Translation Adjustment
Beginning balance	(163)	(56)
Translation of foreign currency statements	(71)	(8)
Ending balance	(234)	(64)
Additional Liability for Pension and Postretirement Benefits
Beginning balance	(379)	(299)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	3
Ending balance	(376)	(296)
Balance September 30	(610)	(360)
Tenneco Inc.
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	49	46
Translation of foreign currency statements	(72)	(6)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	3
Other Comprehensive Loss	(69)	(3)
Comprehensive Income	(20)	43
Cumulative Translation Adjustment
Beginning balance	(166)	(61)
Translation of foreign currency statements	(72)	(6)
Ending balance	(238)	(67)
Additional Liability for Pension and Postretirement Benefits
Beginning balance	(379)	(299)
Additional Liability for Pension and Postretirement Benefits, net of tax	3	3
Ending balance	(376)	(296)
Balance September 30	(614)	(363)
Noncontrolling Interests
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	14	8
Translation of foreign currency statements	1	(2)
Other Comprehensive Loss	1	(2)
Comprehensive Income	15	6
Cumulative Translation Adjustment
Beginning balance	3	5
Translation of foreign currency statements	1	(2)
Ending balance	4	3
Additional Liability for Pension and Postretirement Benefits
Beginning balance	0	0
Ending balance	0	0
Balance September 30	$ 4	$ 3

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Accounts Receivable Securitization

3 Months Ended

Mar. 31, 2015

Accounts Receivable Additional Disclosures [Abstract]

Accounts Receivable Securitization

Accounts Receivable Securitization

We securitize some of our accounts receivable on a limited recourse basis in North America and Europe. As servicer under these accounts receivable securitization programs, we are responsible for performing all accounts receivable administration functions for these securitized financial assets including collections and processing of customer invoice adjustments. In North America, we have an accounts receivable securitization program with three commercial banks comprised of a first priority facility and a second priority facility. We securitize original equipment and aftermarket receivables on a daily basis under the bank program. In March 2015, the North American program was amended and extended to April 30, 2017. The first priority facility provides financing of up to $130 million and the second priority facility, which is subordinated to the first priority facility, provides up to an additional $50 million of financing. Both facilities monetize accounts receivable generated in the U.S. and Canada that meet certain eligibility requirements, and the second priority facility also monetizes certain accounts receivable generated in the U.S. and Canada that would otherwise be ineligible under the first priority securitization facility. The amount of outstanding third-party investments in our securitized accounts receivable under the North American program was $50 million at March 31, 2015 and zero at December 31, 2014.

Each facility contains customary covenants for financings of this type, including restrictions related to liens, payments, mergers or consolidations and amendments to the agreements underlying the receivables pool. Further, each facility may be terminated upon the occurrence of customary events (with customary grace periods, if applicable), including breaches of covenants, failure to maintain certain financial ratios, inaccuracies of representations and warranties, bankruptcy and insolvency events, certain changes in the rate of default or delinquency of the receivables, a change of control and the entry or other enforcement of material judgments. In addition, each facility contains cross-default provisions, where the facility could be terminated in the event of non-payment of other material indebtedness when due and any other event which permits the acceleration of the maturity of material indebtedness.

We also securitize receivables in our European operations with regional banks in Europe. The arrangements to securitize receivables in Europe are provided under six separate facilities provided by various financial institutions in each of the foreign jurisdictions. The commitments for these arrangements are generally for one year, but some may be canceled with notice 90 days prior to renewal. In some instances, the arrangement provides for cancellation by the applicable financial institution at any time upon notification. The amount of outstanding third-party investments in our securitized accounts receivable in Europe was $180 million and $153 million at March 31, 2015 and December 31, 2014, respectively.

If we were not able to securitize receivables under either the North American or European securitization programs, our borrowings under our revolving credit agreement might increase. These accounts receivable securitization programs provide us with access to cash at costs that are generally favorable to alternative sources of financing, and allow us to reduce borrowings under our revolving credit agreement.

In our North American accounts receivable securitization programs, we transfer a partial interest in a pool of receivables and the interest that we retain is subordinate to the transferred interest. Accordingly, we account for our North American securitization program as a secured borrowing. In our European programs, we transfer accounts receivables in their entirety to the acquiring entities and satisfy all of the conditions established under ASC Topic 860, “Transfers and Servicing,” to report the transfer of financial assets in their entirety as a sale. The fair value of assets received as proceeds in exchange for the transfer of accounts receivable under our European securitization programs approximates the fair value of such receivables. We recognized less than $1 million interest expense in each of the three month periods ended March 31, 2015 and 2014, relating to our North American securitization program. In addition, we recognized a loss of $1 million in each of the three month periods ended March 31, 2015 and 2014, on the sale of trade accounts receivable in our European accounts receivable securitization programs, representing the discount from book values at which these receivables were sold to our banks. The discount rate varies based on funding costs incurred by our banks, which averaged approximately two percent during the first three months of 2015 and three percent during the first three months of 2014, respectively.

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Income Taxes

3 Months Ended

Mar. 31, 2015

Income Tax Disclosure [Abstract]

Income Taxes

Income Taxes

For interim tax reporting we estimate our annual effective tax rate and apply it to our year to date ordinary income. Jurisdictions where no tax benefit can be recognized due to a valuation allowance are excluded from the estimated annual effective tax rate. The impact of including these jurisdictions on the quarterly effective rate calculation could result in a higher or lower effective tax rate during a particular quarter due to the mix and timing of actual earnings versus annual projections. The tax effects of certain unusual or infrequently occurring items, including changes in judgment about valuation allowances and effects of changes in tax laws or rates, are excluded from the estimated annual effective tax rate calculation and recognized in the interim period in which they occur.

We reported income tax expense of $41 million and $40 million in the three month periods ended March 31, 2015 and 2014, respectively. The tax expense recorded in the first quarter of 2015 included a net tax expense of $1 million for prior year tax adjustments primarily relating to changes to uncertain tax positions and prior year income tax estimates.

We believe it is reasonably possible that up to $15 million in unrecognized tax benefits related to the expiration of foreign statute of limitations and the conclusion of income tax examinations may be recognized within the coming year.

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Long-Term Debt and Financing Arrangements (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Financial Ratios under Senior Credit Facility

The financial ratios required under the amended and restated senior credit facility, and the actual ratios we achieved for the first quarter of 2015, are as follows:

	Quarter Ended
	March 31, 2015
	Required	Actual
Leverage Ratio (maximum)	3.50	1.41
Interest Coverage Ratio (minimum)	2.75	11.95

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Segment Information

3 Months Ended

Mar. 31, 2015

Segment Reporting [Abstract]

Segment Information

Segment Information

We are managed and organized along our two major product lines (clean air and ride performance) and three geographic areas (North America; Europe, South America and India; and Asia Pacific), resulting in six operating segments (North America Clean Air, North America Ride Performance, Europe, South America and India Clean Air, Europe, South America and India Ride Performance, Asia Pacific Clean Air and Asia Pacific Ride Performance). Within each geographical area, each operating segment manufactures and distributes either clean air or ride performance products primarily for the original equipment and aftermarket industries. Each of the six operating segments constitutes a reportable segment. Costs related to other business activities, primarily corporate headquarter functions, are disclosed separately from the six operating segments as "Other." We evaluate segment performance based primarily on earnings before interest expense, income taxes, and noncontrolling interests. Products are transferred between segments and geographic areas on a basis intended to reflect as nearly as possible the “market value” of the products.

The following table summarizes certain Tenneco Inc. segment information:

	Clean Air Division						Ride Performance Division
	North America		Europe, South America & India		Asia Pacific		North America		Europe, South America & India		Asia Pacific		Other			Reclass & Elims			Total
	(Millions)
At March 31, 2015 and for the Three Months Ended March 31, 2015
Revenues from external customers	$	684	$	457	$	264	$	331	$	230	$	57	$	—		$	—		$	2,023
Intersegment revenues	4		27		—		3		7		12		—			(53		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	54		10		27		35		8		10		(24		)	—			120
Total assets	1,255		812		606		730		480		225		—			31			4,139
At March 31, 2014 and for the Three Months Ended March 31, 2014
Revenues from external customers	698		506		240		335		263		52		—			—			2,094
Intersegment revenues	7		29		—		3		10		9		—			(58		)	—
EBIT, Earnings (loss) before interest expense, income taxes, and noncontrolling interests	56		9		20		30		16		7		(25		)	—			113
Total assets	1,197		908		563		701		557		219		—			34			4,179

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Earnings Per Share

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Earnings Per Share

Earnings Per Share

Earnings per share of common stock outstanding were computed as follows:

	Three Months Ended March 31, 2015		Three Months Ended March 31, 2014
	(Millions Except Share and Per Share Amounts)
Basic earnings per share —
Net income attributable to Tenneco Inc.	$	49	$	46
Weighted Average shares of common stock outstanding	61,044,908		60,549,778
Earnings per share of common stock	$	0.81	$	0.76
Diluted earnings per share —
Net income attributable to Tenneco Inc.	$	49	$	46
Weighted Average shares of common stock outstanding	61,044,908		60,549,778
Effect of dilutive securities:
Restricted stock	83,291		160,341
Stock options	464,888		793,183
Weighted Average shares of common stock outstanding including dilutive securities	61,593,087		61,503,302
Earnings per share of common stock	$	0.80	$	0.75

Options to purchase 183,315 and 782 shares of common stock were outstanding as of March 31, 2015 and 2014, respectively, but not included in the computation of diluted earnings per share respectively, because the options were anti-dilutive.

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Restructuring and Other Charges

3 Months Ended

Mar. 31, 2015

Restructuring and Related Activities [Abstract]

Restructuring and Other Charges

Restructuring and Other Charges

Over the past several years, we have adopted plans to restructure portions of our operations. These plans were approved by our Board of Directors and were designed to reduce operational and administrative overhead costs throughout the business. For the full year 2014, we incurred $49 million in restructuring and related costs including non-cash charges of $5 million, primarily related to European cost reduction efforts, headcount reductions in Australia and South America, the sale of a closed facility in Cozad, Nebraska and costs related to organizational changes, of which $28 million was recorded in cost of sales, $9 million in SG&A, $7 million in engineering expense, $4 million in other expense and $1 million in depreciation and amortization. In the first quarter of 2015, we incurred $5 million in restructuring and related costs, primarily related to European cost reduction efforts and the closure of a JIT plant in Australia, of which $4 million was recorded in cost of sales and $1 million in SG&A. In the first quarter of 2014, we incurred $10 million in restructuring and related costs primarily related to European cost reduction efforts including non-cash asset write downs of $1 million, all of which was recorded in cost of sales.

Amounts related to activities that are part of our restructuring reserves are as follows:

	December 31, 2014 Restructuring Reserve		2015 Expenses	2015 Cash Payments		Impact of Exchange Rates		March 31, 2015 Restructuring Reserve
	(Millions)
Employee Severance, Termination Benefits and Other Related Costs		$40	5	(8	)	(4	)		$33

On January 31, 2013, we announced our intent to reduce structural costs in Europe by approximately $60 million annually. We still expect to reach our target annual savings rate in 2016, however the recent dramatic changes in exchange rates will likely have an impact on the actual savings achieved when translated from Euros into U.S. dollars. In the first quarter of 2015, we incurred $5 million in restructuring and related costs, of which $4 million was related to this initiative. While we are nearing the completion of this initiative, we expect to incur additional restructuring and related costs in 2015 and 2016 due to certain ongoing matters. For example, we closed a plant in Gijon Spain in 2013, but subsequently re-opened it in July 2014 with about half of its prior workforce after the employees' works council successfully filed suit challenging the closure decision. Pursuant to an agreement we entered into with employee representatives, we are currently engaged in a sales process for the facility and intend to continue operating it until a complete transfer of ownership takes place in 2016.

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Environmental Matters, Litigation and Product Warranties

3 Months Ended

Mar. 31, 2015

Environmental Matters, Litigation and Product Warranties [Abstract]

Environmental Matters, Litigation and Product Warranties

Environmental Matters, Legal Proceedings and Product Warranties

We are involved in environmental remediation matters, legal proceedings, claims, investigations and warranty obligations. These matters are typically incidental to the conduct of our business and create the potential for contingent losses. We accrue for potential contingent losses when our review of available facts indicates that it is probable a loss has been incurred and the amount of the loss is reasonably estimable. Each quarter we assess our loss contingencies based upon currently available facts, existing technology, presently enacted laws and regulations and taking into consideration the likely effects of inflation and other societal and economic factors and record adjustments to these reserves as required. As an example, we consider all available evidence, including prior experience in remediation of contaminated sites, other companies’ cleanup experiences and data released by the United States Environmental Protection Agency or other organizations when we evaluate our environmental remediation contingencies. All of our loss contingency estimates are subject to revision in future periods based on actual costs or new information. With respect to our environmental liabilities, where future cash flows are fixed or reliably determinable, we have discounted those liabilities. We evaluate recoveries separately from the liability and, when they are assured, recoveries are recorded and reported separately from the associated liability in our consolidated financial statements.

Environmental Matters

We are subject to a variety of environmental and pollution control laws and regulations in all jurisdictions in which we operate. We expense or capitalize, as appropriate, expenditures for ongoing compliance with environmental regulations that relate to current operations. We expense costs related to an existing condition caused by past operations that do not contribute to current or future revenue generation. As of March 31, 2015, we have the obligation to remediate or contribute towards the remediation of certain sites, including one Federal Superfund site. At March 31, 2015, our aggregated estimated share of environmental remediation costs for all these sites on a discounted basis was approximately $15 million, of which $2 million is recorded in other current liabilities and $13 million is recorded in deferred credits and other liabilities in our condensed consolidated balance sheet. For those locations where the liability was discounted, the weighted average discount rate used was 2.2 percent. The undiscounted value of the estimated remediation costs was $18 million. Our expected payments of environmental remediation costs are estimated to be approximately $2 million in 2015, $1 million each year beginning 2016 through 2019 and $12 million in aggregate thereafter.

Based on information known to us, we have established reserves that we believe are adequate for these costs. Although we believe these estimates of remediation costs are reasonable and are based on the latest available information, the costs are estimates and are subject to revision as more information becomes available about the extent of remediation required. At some sites, we expect that other parties will contribute to the remediation costs. In addition, certain environmental statutes provide that our liability could be joint and several, meaning that we could be required to pay in excess of our share of remediation costs. Our understanding of the financial strength of other potentially responsible parties at these sites has been considered, where appropriate, in our determination of our estimated liability. We do not believe that any potential costs associated with our current status as a potentially responsible party in the Federal Superfund site, or as a liable party at the other locations referenced herein, will be material to our consolidated financial position, results of operations, or liquidity.

Antitrust Investigations

On March 25, 2014, representatives of the European Commission were at Tenneco GmbH's Edenkoben, Germany administrative facility to gather information in connection with an ongoing global antitrust investigation concerning multiple automotive suppliers. On March 25, 2014, we also received a related subpoena from the U.S. Department of Justice (“DOJ”).

On November 5, 2014, the DOJ granted us conditional leniency pursuant to an agreement we entered into under the Antitrust Division’s Corporate Leniency Policy. This agreement provides us with important benefits in exchange for our self reporting of matters to the DOJ and our continuing full cooperation with the DOJ’s resulting investigation. For example, the DOJ will not bring any criminal antitrust prosecution against us, nor seek any criminal fines or penalties, in connection with the matters we reported to the DOJ. Additionally, there are limits on our liability related to any follow on civil antitrust litigation in the U.S. The limits include single rather than treble damages, as well as relief from joint and several antitrust liability with other relevant civil antitrust action defendants. These limits are subject to our satisfying the DOJ and any court presiding over such follow on civil litigation. We cannot provide any assurance as to when such actions will be filed in the future or how they will ultimately be resolved.

Certain other competition agencies are also investigating possible violations of antitrust laws relating to products supplied by our company. We have cooperated and continue to cooperate fully with all of these antitrust investigations, and take other actions to minimize our potential exposure.

Antitrust law investigations and related matters often continue for several years and can result in significant penalties and liability. At this point, we cannot estimate the ultimate impact on our company from investigations into our antitrust compliance and related matters in light of the uncertainties and many variables involved, and there can be no assurance that the ultimate resolution of these matters, including any civil litigation claims, will not have a material adverse effect on our consolidated financial position, results of operations or liquidity.

Other Legal Proceedings, Claims and Investigations

We are also from time to time involved in other legal proceedings, claims or investigations. Some of these matters involve allegations of damages against us relating to environmental liabilities (including toxic tort, property damage and remediation), intellectual property matters (including patent, trademark and copyright infringement, and licensing disputes), personal injury claims (including injuries due to product failure, design or warning issues, and other product liability related matters), taxes, employment matters, and commercial or contractual disputes, sometimes related to acquisitions or divestitures. Additionally, some of these matters involve allegations relating to legal compliance. For example, one of our Argentine subsidiaries is currently defending against a criminal complaint alleging the failure to comply with laws requiring the proceeds of export transactions to be collected, reported and/or converted to local currency within specified time periods. As another example, in the U.S. we are subject to an audit in 11 states with respect to the payment of unclaimed property to those states, spanning a period as far back as over 30 years. While we vigorously defend ourselves against all of these legal proceedings, claims and investigations and take other actions to minimize our potential exposure, in future periods, we could be subject to cash costs or charges to earnings if any of these matters are resolved on unfavorable terms. Although the ultimate outcome of any legal matter cannot be predicted with certainty, based on current information, including our assessment of the merits of the particular claim, except as described above under "Antitrust Investigations," we do not expect the legal proceedings, claims or investigations currently pending against us will have any material adverse impact on our consolidated financial position, results of operations or liquidity.

In addition, we are subject to lawsuits initiated by a significant number of claimants alleging health problems as a result of exposure to asbestos. In the early 2000's we were named in nearly 20,000 complaints, most of which were filed in Mississippi state court and the vast majority of which made no allegations of exposure to asbestos from our product categories. Most of these claims have been dismissed and our current docket of active and inactive cases is less than 500 cases nationwide. A small number of claims have been asserted by railroad workers alleging exposure to asbestos products in railroad cars manufactured by The Pullman Company, one of our subsidiaries. The substantial majority of the remaining claims are related to alleged exposure to asbestos in our automotive products. Only a small percentage of the claimants allege that they were automobile mechanics and a significant number appear to involve workers in other industries or otherwise do not include sufficient information to determine whether there is any basis for a claim against us. We believe, based on scientific and other evidence, it is unlikely that mechanics were exposed to asbestos by our former products and that, in any event, they would not be at increased risk of asbestos-related disease based on their work with these products. Further, many of these cases involve numerous defendants, with the number in some cases exceeding 100 defendants from a variety of industries. Additionally, the plaintiffs either do not specify any, or specify the jurisdictional minimum, dollar amount for damages. As major asbestos manufacturers and/or users continue to go out of business or file for bankruptcy, we may experience an increased number of these claims. We vigorously defend ourselves against these claims as part of our ordinary course of business. In future periods, we could be subject to cash costs or charges to earnings if any of these matters are resolved unfavorably to us. To date, with respect to claims that have proceeded sufficiently through the judicial process, we have regularly achieved favorable resolutions. Accordingly, we presently believe that these asbestos-related claims will not have a material adverse impact on our future consolidated financial position, results of operations or liquidity.

Warranty Matters

We provide warranties on some of our products. The warranty terms vary but range from one year up to limited lifetime warranties on some of our premium aftermarket products. Provisions for estimated expenses related to product warranty are made at the time products are sold or when specific warranty issues are identified on OE products. These estimates are established using historical information about the nature, frequency, and average cost of warranty claims. We actively study trends of our warranty claims and take action to improve product quality and minimize warranty claims. We believe that the warranty reserve is appropriate; however, actual claims incurred could differ from the original estimates, requiring adjustments to the reserve. The reserve is included in both current and long-term liabilities on the balance sheet.

Below is a table that shows the activity in the warranty accrual accounts:

	Three Months Ended March 31,
	2015			2014
	(Millions)
Beginning Balance January 1,	$	26		$	24
Accruals related to product warranties	3			5
Reductions for payments made	(4		)	(5		)
Ending Balance March 31,	$	25		$	24

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Common Stock

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Common Stock

Common Stock

Equity Plans — We have granted a variety of awards, including common stock, restricted stock, restricted stock units, performance units, stock appreciation rights (“SARs”), and stock options to our directors, officers, and employees.

Accounting Methods — We recorded compensation expense (net of taxes) of $1 million and $2 million in the three month periods ended March 31, 2015 and 2014, respectively, related to nonqualified stock options as part of our selling, general and administrative expense. This resulted in a decrease of $0.01 and $0.04 in both basic and diluted earnings per share for the three month period ended March 31, 2015 and 2014.

For employees eligible to retire at the grant date, we immediately expense stock options and restricted stock. If employees become eligible to retire during the vesting period, we immediately recognize any remaining expense associated with their stock options and restricted stock.

As of March 31, 2015, there was approximately $5 million of unrecognized compensation costs related to our stock option awards that we expect to recognize over a weighted average period of 0.7 years.

Compensation expense for restricted stock, restricted stock units, long-term performance units and SARs (net of taxes) was $6 million and $5 million for the three month periods ended March 31, 2015 and 2014, respectively, and was recorded in selling, general, and administrative expense in our condensed consolidated statements of income.

Cash received from stock option exercises for the three months ended March 31, 2015 and 2014 was $2 million and less than $1 million, respectively.

Stock options exercised in the first three months of 2015 generated a tax benefit of $3 million. We started to record this tax benefit in the third quarter of 2013 when we began utilizing our federal and state NOLs.

Assumptions — We calculated the fair values of stock option awards using the Black-Scholes option pricing model with the weighted average assumptions listed below. The fair value of share-based awards is determined at the time the awards are granted which is generally in January of each year, and requires judgment in estimating employee and market behavior. There were no stock options granted in 2015.

	Three Months Ended March 31,
	2015			2014
Stock Options Granted
Weighted average grant date fair value, per share	$	—		$	26.46
Weighted average assumptions used:
Expected volatility	—		%	52.8		%
Expected lives				5.0
Risk-free interest rates	—		%	1.7		%
Dividend yields	—		%	—		%

Expected volatility is calculated based on current implied volatility and historical realized volatility for the Company.

Expected lives of options are based upon the historical and expected time to post-vesting forfeiture and exercise. We believe this method is the best estimate of the future exercise patterns currently available.

The risk-free interest rates are based upon the Constant Maturity Rates provided by the U.S. Treasury. For our valuations, we used the continuous rate with a term equal to the expected life of the options.

Stock Options — The following table reflects the status and activity for all options to purchase common stock for the period indicated:

	Three Months Ended March 31, 2015
	Shares Under Option		Weighted Avg. Exercise Prices		Weighted Avg. Remaining Life in Years	Aggregate Intrinsic Value
						(Millions)
Outstanding Stock Options
Outstanding, January 1, 2015	1,454,003		$	31.16	4.4	$	33
Granted	—		—
Canceled	(20,427	)	23.75
Forfeited	—		—
Exercised	(96,997	)	20.78			3
Outstanding, March 31, 2015	1,336,579		$	32.03	4.3	$	31

The weighted average grant-date fair value of options granted during the three months ended March 31, 2014 was $26.46. There were no stock options granted in 2015. The total fair value of shares vested was $4 million and $6 million for the periods ended March 31, 2015 and 2014, respectively.

Restricted Stock — The following table reflects the status for all nonvested restricted shares for the period indicated:

	Three Months Ended March 31, 2015
	Shares		Weighted Avg. Grant Date Fair Value
Nonvested Restricted Shares
Nonvested balance at January 1, 2015	286,051		$	42.35
Granted	350,101		53.40
Vested	(150,171	)	37.86
Forfeited	—		—
Nonvested balance at March 31, 2015	485,981		$	51.70

The fair value of restricted stock grants is usually equal to the average of the high and low trading price of our stock on the date of grant. As of March 31, 2015, approximately $19 million of total unrecognized compensation costs related to restricted stock awards is expected to be recognized over a weighted-average period of approximately 2.8 years. The total fair value of restricted shares vested was $6 million and $7 million at March 31, 2015 and 2014, respectively.

In January 2015, our Board of Directors approved a share repurchase program, authorizing our company to repurchase up to $350 million of our outstanding common stock over a three-year period. This repurchase program does not obligate Tenneco to make repurchases at any specific time or situation and is part of our overall capital allocation strategy. We repurchased 192,000 shares through this program in the three month period ended March 31, 2015.

Repurchased shares held as part of our treasury stock were 3,436,692 and 3,244,692 shares at March 31, 2015 and December 31, 2014, respectively.

Long-Term Performance Units, Restricted Stock Units and SARs — Long-term performance units, restricted stock units and SARs are paid in cash and recognized as a liability based upon their fair value. As of March 31, 2015, $30 million of total unrecognized compensation costs is expected to be recognized over a weighted-average period of approximately 2.2 years.

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Foreign Exchange Forward Contracts (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Financial Instruments Collected Before Maturity Date And Sold At Discount	$ 1	$ 1
Foreign Exchange Forward Contracts [Member]
Derivatives, Fair Value [Line Items]
Term Of Foreign Currency Forward Purchase And Sales Contacts (less than one year)	1 year
Derivative Instruments in Hedges, Liabilities, at Fair Value	$ 1	$ 1

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Components of Net Periodic Benefit Cost (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost — benefits earned during the period	$ 0	$ 0
Interest cost	5	5
Expected return on plan assets	(6)	(6)
Net amortization:
Actuarial loss	2	2
Prior service cost	0	0
Net pension and postretirement costs	1	1
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost — benefits earned during the period	2	2
Interest cost	4	5
Expected return on plan assets	(5)	(6)
Net amortization:
Actuarial loss	2	2
Prior service cost	0	0
Net pension and postretirement costs	3	3
United States Postretirement Benefit Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost — benefits earned during the period	0	0
Interest cost	1	1
Expected return on plan assets	0	0
Net amortization:
Actuarial loss	1	1
Prior service cost	(1)	(2)
Net pension and postretirement costs	$ 1	$ 0

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New Accounting Pronouncements Policies (Policies)

3 Months Ended

Mar. 31, 2015

Accounting Policies [Abstract]

New Accounting Pronouncements

New Accounting Pronouncements

In May 2014, the Financial Accounting Standards Board (“FASB”) issued an amendment on revenue recognition. The amendment in this update creates Topic 606, Revenue from Contracts with Customers, and supersedes the revenue recognition requirements in Topic 605, Revenue Recognition, including most industry-specific revenue recognition guidance throughout the Industry Topics of the Codification. In addition, the amendment supersedes the cost guidance in Subtopic 605-35, Revenue Recognition-Construction-Type and Production-Type Contracts, and creates new Subtopic 340-40, Other Assets and Deferred Costs-Contracts with Customers. The core principle of Topic 606 is that an entity recognizes revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. The amendment is effective for reporting periods beginning after December 15, 2016 for public entities. We will adopt this amendment on January 1, 2017. We are currently evaluating the potential impact of this new guidance on our consolidated financial statements.

In April 2015, the FASB issued Accounting Standard Update 2015-03, Simplifying the Presentation of Debt Issuance Costs, which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the associated debt liability. For public business entities, the standard is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments in this update is permitted for financial statements that have not been previously issued. We adopted this standard for the first quarter of 2015 and applied retrospectively. Please refer to note 3 in our notes to condensed consolidated financial statements located in Part I Item 1 of this Form 10-Q for further discussion.

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Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2015

Earnings Per Share [Abstract]

Summary of Earnings Per Share of Common Stock

Earnings per share of common stock outstanding were computed as follows:

	Three Months Ended March 31, 2015		Three Months Ended March 31, 2014
	(Millions Except Share and Per Share Amounts)
Basic earnings per share —
Net income attributable to Tenneco Inc.	$	49	$	46
Weighted Average shares of common stock outstanding	61,044,908		60,549,778
Earnings per share of common stock	$	0.81	$	0.76
Diluted earnings per share —
Net income attributable to Tenneco Inc.	$	49	$	46
Weighted Average shares of common stock outstanding	61,044,908		60,549,778
Effect of dilutive securities:
Restricted stock	83,291		160,341
Stock options	464,888		793,183
Weighted Average shares of common stock outstanding including dilutive securities	61,593,087		61,503,302
Earnings per share of common stock	$	0.80	$	0.75

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Stock Options Status and Activity (Detail) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended	12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, Beginning Balance	1,454,003
Granted	0
Canceled	(20,427)
Forfeited	0
Exercised	(96,997)
Outstanding, Ending Balance	1,336,579	1,454,003
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding, Beginning Balance	$ 31.16
Granted	$ 0.00
Canceled	$ 23.75
Forfeited	$ 0.00
Exercised	$ 20.78
Outstanding, Ending Balance	$ 32.03	$ 31.16
Weighted Avg. Remaining Life in Years	4 years 3 months 17 days	4 years 4 months 24 days
Aggregate Intrinsic Value, Outstanding, Beginning Balance	$ 33
Aggregate Intrinsic Value, Exercised	3
Aggregate Intrinsic Value, Outstanding, Ending Balance	$ 31	$ 33

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Restructuring and Other Charges - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended		12 Months Ended	0 Months Ended
	Dec. 08, 2014	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Jan. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring cost		$ 5		$ 49
Restructuring and related cost allowed to be excluded from the calculation of financial covenant ratios	150	5
Non- cash charges			1	5
Reduced Depreciation [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring cost				1
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring cost		4		28
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring cost		1		9
Engineering Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring cost				7
Europe [Member]
Restructuring Cost and Reserve [Line Items]
Effect on Future Cash Flows, Amount					60
Restructuring cost		4	10
Europe [Member] | Other Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring cost				$ 4

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CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Current assets:
Cash and cash equivalents	$ 288	$ 282
Restricted cash	0	3
Receivables —
Customer notes and accounts, net	1,231	1,064
Other	21	24
Inventories —
Finished goods	275	272
Work in process	240	221
Raw materials	146	137
Materials and supplies	56	58
Deferred income taxes	78	81
Prepayments and other	279	284
Total current assets	2,614	2,426
Other assets:
Long-term receivables, net	12	12
Goodwill	63	65
Intangibles, net	27	26
Deferred income taxes	152	143
Other	86	93
Total other assets	340	339
Plant, property, and equipment, at cost	3,365	3,490
Less — Accumulated depreciation and amortization	(2,180)	(2,272)
Plant, property and equipment, net	1,185	1,218
Total Assets	4,139	3,983
Current liabilities:
Short-term debt (including current maturities of long-term debt)	132	60
Trade payables	1,391	1,372
Accrued taxes	51	40
Accrued interest	16	3
Accrued liabilities	251	258
Other	59	66
Total current liabilities	1,900	1,799
Long-term debt	1,128	1,042
Deferred income taxes	18	18
Postretirement benefits	324	339
Deferred credits and other liabilities	204	212
Commitments and contingencies
Total liabilities	3,574	3,410
Redeemable noncontrolling interests	43	35
Tenneco Inc. Shareholders’ equity:
Common stock	1	1
Premium on common stock and other capital surplus	3,067	3,059
Accumulated other comprehensive loss	(614)	(545)
Retained earnings (accumulated deficit)	(1,646)	(1,695)
Shareholders Equity Before Deduction Of Treasury Stock, Total	808	820
Less — Shares held as treasury stock, at cost	334	323
Total Tenneco Inc. shareholders’ equity	474	497
Noncontrolling interests	48	41
Total equity	522	538
Total liabilities, redeemable noncontrolling interests and equity	$ 4,139	$ 3,983

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Long-Term Debt and Financing Arrangements

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Long-Term Debt and Financing Arrangements

Long-Term Debt and Financing Arrangements

Our financing arrangements are primarily provided by a committed senior secured financing arrangement with a syndicate of banks and other financial institutions. The arrangement is secured by substantially all our domestic assets and pledges of up to 66 percent of the stock of certain first-tier foreign subsidiaries, as well as guarantees by our material domestic subsidiaries.

In April 2015, the FASB issued Accounting Standard Update 2015-03, Simplifying the Presentation of Debt Issuance Costs, which requires debt issuance costs to be presented in the balance sheet as a direct deduction from the associated debt liability. For public business entities, the standard is effective for financial statements issued for fiscal years beginning after December 15, 2015, and interim periods within those fiscal years. Early adoption of the amendments in this update is permitted for financial statements that have not been previously issued. We adopted this standard for the first quarter of 2015 and applied retrospectively. The balance for unamortized debt issuance costs was $25 million and $27 million at March 31, 2015 and December 31, 2014, respectively.

On December 8, 2014, we completed an amendment and restatement of our senior credit facility by increasing the amount and extending the maturity dates of our revolving credit facility and our Tranche A Term Facility. As of March 31, 2015, the senior credit facility provides us with a total revolving credit facility size of $1,200 million and had a $296 million balance outstanding under the Tranche A Term Facility, both of which will mature on December 8, 2019. Net carrying amount for the balance outstanding under the Tranche A Term Facility including a $2 million debt issuance cost was $294 million as of March 31, 2015. Funds may be borrowed, repaid and re-borrowed under the revolving credit facility without premium or penalty (subject to any customary LIBOR breakage fees). The revolving credit facility is reflected as debt on our balance sheet only if we borrow money under this facility or if we use the facility to make payments for letters of credit. Outstanding letters of credit reduce our availability to borrow revolving loans under the facility. We are required to make quarterly principal payments under the Tranche A Term Facility of $3.75 million through December 31, 2016, $5.625 million beginning March 31, 2017 through December 31, 2017, $7.5 million beginning March 31, 2018 through September 30, 2019 and a final payment of $195 million is due on December 8, 2019. We have excluded the required payments, within the next twelve months, under the Tranche A Term Facility totaling $15 million from current liabilities as of March 31, 2015, because we have the intent and ability to refinance the obligations on a long-term basis by using our revolving credit facility.

The financial ratios required under the amended and restated senior credit facility, and the actual ratios we achieved for the first quarter of 2015, are as follows:

	Quarter Ended
	March 31, 2015
	Required	Actual
Leverage Ratio (maximum)	3.50	1.41
Interest Coverage Ratio (minimum)	2.75	11.95

The senior credit facility includes a maximum leverage ratio covenant of 3.50 and a minimum interest coverage ratio of 2.75, in each case through December 8, 2019.

At March 31, 2015, of the $1,200 million available under the revolving credit facility, we had unused borrowing capacity of $1,078 million with $88 million in outstanding borrowings which consisted of a $75 million net carrying amount including a $13 million debt issuance cost and $34 million in outstanding letters of credit. As of March 31, 2015, our outstanding debt also included (i) $296 million of a term loan which consisted of a $294 million net carrying amount including a $2 million debt issuance cost related to our Tranche A Term Facility which is subject to quarterly principal payments as described above through December 8, 2019, (ii) $225 million of notes which consisted of a $221 million net carrying amount including a $4 million debt issuance cost of 5³/8 percent senior notes due December 15, 2024, (iii) $500 million of notes which consisted of a $493 million net carrying amount including a $7 million debt issuance cost of 6⁷/8 percent senior notes due December 15, 2020, and (iv) $177 million of other debt.

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Balance Sheet (Detail) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Current assets:
Cash and cash equivalents	$ 288	$ 282	$ 267	$ 275
Restricted cash	0	3
Receivables, net	1,252	1,088
Inventories	717	688
Deferred income taxes	78	81
Prepayments and other	279	284
Total current assets	2,614	2,426
Other assets:
Investment in affiliated companies	0	0
Notes and advances receivable from affiliates	0	0
Long-term receivables, net	12	12
Goodwill	63	65
Intangibles, net	27	26
Deferred income taxes	152	143
Other	86	93
Total other assets	340	339
Plant, property, and equipment, at cost	3,365	3,490
Less — Accumulated depreciation and amortization	(2,180)	(2,272)
Plant, property and equipment, net	1,185	1,218
Total Assets	4,139	3,983	4,179
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	132	60
Short-term debt — affiliated	0	0
Trade payables	1,391	1,372
Accrued taxes	51	40
Other	326	327
Total current liabilities	1,900	1,799
Long-term debt — non-affiliated	1,128	1,042
Long-term debt — affiliated	0	0
Deferred income taxes	18	18
Postretirement benefits and other liabilities	528	551
Commitments and contingencies
Total liabilities	3,574	3,410
Redeemable noncontrolling interests	43	35
Tenneco Inc. shareholders’ equity	474	497
Noncontrolling interests	48	41
Total equity	522	538	533
Total liabilities, redeemable noncontrolling interests and equity	4,139	3,983
Guarantor Subsidiaries
Current assets:
Cash and cash equivalents	0	10	2	6
Restricted cash		0
Receivables, net	464	408
Inventories	339	312
Deferred income taxes	47	49
Prepayments and other	70	96
Total current assets	920	875
Other assets:
Investment in affiliated companies	1,104	1,064
Notes and advances receivable from affiliates	924	944
Long-term receivables, net	11	12
Goodwill	22	22
Intangibles, net	12	10
Deferred income taxes	80	76
Other	36	40
Total other assets	2,189	2,168
Plant, property, and equipment, at cost	1,260	1,236
Less — Accumulated depreciation and amortization	(860)	(845)
Plant, property and equipment, net	400	391
Total Assets	3,509	3,434
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	0	0
Short-term debt — affiliated	147	243
Trade payables	553	478
Accrued taxes	(21)	(15)
Other	125	134
Total current liabilities	804	840
Long-term debt — non-affiliated	0	0
Long-term debt — affiliated	1,801	1,730
Deferred income taxes	0	0
Postretirement benefits and other liabilities	413	418
Commitments and contingencies
Total liabilities	3,018	2,988
Redeemable noncontrolling interests	0	0
Tenneco Inc. shareholders’ equity	491	446
Noncontrolling interests	0	0
Total equity	491	446
Total liabilities, redeemable noncontrolling interests and equity	3,509	3,434
Nonguarantor Subsidiaries
Current assets:
Cash and cash equivalents	288	272	265	269
Restricted cash		3
Receivables, net	1,378	1,309
Inventories	378	376
Deferred income taxes	24	25
Prepayments and other	209	188
Total current assets	2,277	2,173
Other assets:
Investment in affiliated companies	0	0
Notes and advances receivable from affiliates	11,056	10,589
Long-term receivables, net	1	0
Goodwill	41	43
Intangibles, net	15	16
Deferred income taxes	16	14
Other	50	53
Total other assets	11,179	10,715
Plant, property, and equipment, at cost	2,105	2,254
Less — Accumulated depreciation and amortization	(1,320)	(1,427)
Plant, property and equipment, net	785	827
Total Assets	14,241	13,715
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	117	54
Short-term debt — affiliated	254	220
Trade payables	979	1,000
Accrued taxes	39	31
Other	234	241
Total current liabilities	1,623	1,546
Long-term debt — non-affiliated	44	44
Long-term debt — affiliated	10,964	10,516
Deferred income taxes	18	18
Postretirement benefits and other liabilities	112	129
Commitments and contingencies
Total liabilities	12,761	12,253
Redeemable noncontrolling interests	43	35
Tenneco Inc. shareholders’ equity	1,389	1,386
Noncontrolling interests	48	41
Total equity	1,437	1,427
Total liabilities, redeemable noncontrolling interests and equity	14,241	13,715
Tenneco Inc
Current assets:
Cash and cash equivalents	0	0	0	0
Restricted cash		0
Receivables, net	0	0
Inventories	0	0
Deferred income taxes	7	7
Prepayments and other	0	0
Total current assets	7	7
Other assets:
Investment in affiliated companies	771	764
Notes and advances receivable from affiliates	4,927	4,844
Long-term receivables, net	0	0
Goodwill	0	0
Intangibles, net	0	0
Deferred income taxes	56	53
Other	0	0
Total other assets	5,754	5,661
Plant, property, and equipment, at cost	0	0
Less — Accumulated depreciation and amortization	0	0
Plant, property and equipment, net	0	0
Total Assets	5,761	5,668
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	15	6
Short-term debt — affiliated	0	9
Trade payables	0	0
Accrued taxes	33	24
Other	15	3
Total current liabilities	63	42
Long-term debt — non-affiliated	1,084	998
Long-term debt — affiliated	4,142	4,131
Deferred income taxes	0	0
Postretirement benefits and other liabilities	(2)	0
Commitments and contingencies
Total liabilities	5,287	5,171
Redeemable noncontrolling interests	0	0
Tenneco Inc. shareholders’ equity	474	497
Noncontrolling interests	0	0
Total equity	474	497
Total liabilities, redeemable noncontrolling interests and equity	5,761	5,668
Reclass & Elims
Current assets:
Cash and cash equivalents	0	0	0	0
Restricted cash		0
Receivables, net	(590)	(629)
Inventories	0	0
Deferred income taxes	0	0
Prepayments and other	0	0
Total current assets	(590)	(629)
Other assets:
Investment in affiliated companies	(1,875)	(1,828)
Notes and advances receivable from affiliates	(16,907)	(16,377)
Long-term receivables, net	0	0
Goodwill	0	0
Intangibles, net	0	0
Deferred income taxes	0	0
Other	0	0
Total other assets	(18,782)	(18,205)
Plant, property, and equipment, at cost	0	0
Less — Accumulated depreciation and amortization	0	0
Plant, property and equipment, net	0	0
Total Assets	(19,372)	(18,834)
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	0	0
Short-term debt — affiliated	(401)	(472)
Trade payables	(141)	(106)
Accrued taxes	0	0
Other	(48)	(51)
Total current liabilities	(590)	(629)
Long-term debt — non-affiliated	0	0
Long-term debt — affiliated	(16,907)	(16,377)
Deferred income taxes	0	0
Postretirement benefits and other liabilities	5	4
Commitments and contingencies
Total liabilities	(17,492)	(17,002)
Redeemable noncontrolling interests	0	0
Tenneco Inc. shareholders’ equity	(1,880)	(1,832)
Noncontrolling interests	0	0
Total equity	(1,880)	(1,832)
Total liabilities, redeemable noncontrolling interests and equity	$ (19,372)	$ (18,834)

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Common Stock (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Assumptions Used for Calculating Fair Values of Stock Option Awards

The fair value of share-based awards is determined at the time the awards are granted which is generally in January of each year, and requires judgment in estimating employee and market behavior. There were no stock options granted in 2015.

	Three Months Ended March 31,
	2015			2014
Stock Options Granted
Weighted average grant date fair value, per share	$	—		$	26.46
Weighted average assumptions used:
Expected volatility	—		%	52.8		%
Expected lives				5.0
Risk-free interest rates	—		%	1.7		%
Dividend yields	—		%	—		%

Stock Options Status and Activity

Stock Options — The following table reflects the status and activity for all options to purchase common stock for the period indicated:

	Three Months Ended March 31, 2015
	Shares Under Option		Weighted Avg. Exercise Prices		Weighted Avg. Remaining Life in Years	Aggregate Intrinsic Value
						(Millions)
Outstanding Stock Options
Outstanding, January 1, 2015	1,454,003		$	31.16	4.4	$	33
Granted	—		—
Canceled	(20,427	)	23.75
Forfeited	—		—
Exercised	(96,997	)	20.78			3
Outstanding, March 31, 2015	1,336,579		$	32.03	4.3	$	31

Nonvested Restricted Shares

Restricted Stock — The following table reflects the status for all nonvested restricted shares for the period indicated:

	Three Months Ended March 31, 2015
	Shares		Weighted Avg. Grant Date Fair Value
Nonvested Restricted Shares
Nonvested balance at January 1, 2015	286,051		$	42.35
Granted	350,101		53.40
Vested	(150,171	)	37.86
Forfeited	—		—
Nonvested balance at March 31, 2015	485,981		$	51.70

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Financial Ratios under Senior Credit Facility (Detail)	3 Months Ended
	Mar. 31, 2015
Required [Member]
Financial Ratios Under Senior Credit Facility [Line Items]
Leverage Ratio (maximum)	3.5
Interest Coverage Ratio (minimum)	2.75
Actual [Member]
Financial Ratios Under Senior Credit Facility [Line Items]
Leverage Ratio (maximum)	1.41
Interest Coverage Ratio (minimum)	11.95

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Supplemental Guarantor Condensed Consolidating Financial Statements

3 Months Ended

Mar. 31, 2015

Condensed Financial Information of Parent Company Only Disclosure [Abstract]

Supplemental Guarantor Condensed Consolidating Financial Statements

Supplemental Guarantor Condensed Consolidating Financial Statements

Basis of Presentation

Substantially all of our existing and future material domestic 100% owned subsidiaries (which are referred to as the Guarantor Subsidiaries) fully and unconditionally guarantee our senior notes due in 2020 and 2024 on a joint and several basis. However, a subsidiary’s guarantee may be released in certain customary circumstances such as a sale of the subsidiary or all or substantially all of its assets in accordance with the indenture applicable to the notes. The Guarantor Subsidiaries are combined in the presentation below.

These consolidating financial statements are presented on the equity method. Under this method, our investments are recorded at cost and adjusted for our ownership share of a subsidiary’s cumulative results of operations, capital contributions and distributions, and other equity changes. You should read the condensed consolidating financial information of the Guarantor Subsidiaries in connection with our condensed consolidated financial statements and related notes of which this note is an integral part.

We revised the supplemental guarantor statements of comprehensive income and cash flows as a result of a correction to comprehensive income and to the classification of intercompany dividends in the cash flow. These revisions had no impact on any of the company’s current or previously issued consolidated financial statements. In 2014 a misclassification in supplemental cash flow statement reclassing intercompany dividend payments between operating activities and financing activities was identified. During the three month period ended on March 31, 2014, no intercompany dividend payments were made. As a result, there is no impact to the supplemental cash flow statement at March 31, 2014. Other comprehensive loss of $3 million was excluded in the net comprehensive income of the parent company for the three month period ended on March 31, 2014. The impact of these corrections to the applicable prior periods are reflected in the guarantor financial information herein and will be reflected in future filings.

Distributions

There are no significant restrictions on the ability of the Guarantor Subsidiaries to make distributions to us.

STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	For the Three Months Ended March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
Revenues
Net sales and operating revenues —
External	$	897		$	1,126		$	—		$	—		$	2,023
Affiliated companies	106			145			—			(251		)	—
	1,003			1,271			—			(251		)	2,023
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	842			1,095			—			(251		)	1,686
Engineering, research, and development	21			20			—			—			41
Selling, general, and administrative	46			77			2			—			125
Depreciation and amortization of other intangibles	22			28			—			—			50
	931			1,220			2			(251		)	1,902
Other income (expense)
Loss on sale of receivables	—			(1		)	—			—			(1		)
Other income (expense)	(4		)	4			—			—			—
	(4		)	3			—			—			(1		)
Earnings (loss) before interest expense, income taxes, noncontrolling interests, and equity in net income from affiliated companies	68			54			(2		)	—			120
Interest expense —
External (net of interest capitalized)	—			—			16			—			16
Affiliated companies (net of interest income)	17			(17		)	—			—			—
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	51			71			(18		)	—			104
Income tax expense	18			23			—			—			41
Equity in net income (loss) from affiliated companies	30			—			67			(97		)	—
Net Income (loss)	63			48			49			(97		)	63
Less: Net income attributable to noncontrolling interests	—			14			—			—			14
Net income (loss) attributable to Tenneco Inc.	$	63		$	34		$	49		$	(97	)	$	49
Comprehensive income (loss) attributable to Tenneco Inc.	$	63		$	34		$	(20	)	$	(97	)	$	(20	)

STATEMENT OF COMPREHENSIVE INCOME (LOSS)

	For the Three Months Ended March 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
Revenues
Net sales and operating revenues —
External	$	920		$	1,174		$	—		$	—		$	2,094
Affiliated companies	103			148			—			(251		)	—
	1,023			1,322			—			(251		)	2,094
Costs and expenses
Cost of sales (exclusive of depreciation and amortization shown below)	802			1,203			—			(251		)	1,754
Engineering, research, and development	22			20			—			—			42
Selling, general, and administrative	51			79			2			—			132
Depreciation and amortization of other intangibles	21			30			—			—			51
	896			1,332			2			(251		)	1,979
Other income (expense)
Loss on sale of receivables	—			(1		)	—			—			(1		)
Other income (expense)	(2		)	1			—			—			(1		)
	(2		)	—			—			—			(2		)
Earnings (loss) before interest expense, income taxes, noncontrolling interests, and equity in net income from affiliated companies	125			(10		)	(2		)	—			113
Interest expense —
External (net of interest capitalized)	—			—			19			—			19
Affiliated companies (net of interest income)	16			(16		)	—			—			—
Earnings (loss) before income taxes, noncontrolling interests, and equity in net income from affiliated companies	109			6			(21		)	—			94
Income tax expense	30			10			—			—			40
Equity in net income (loss) from affiliated companies	(15		)	—			67			(52		)	—
Net income (loss)	64			(4		)	46			(52		)	54
Less: Net income attributable to noncontrolling interests	—			8			—			—			8
Net income (loss) attributable to Tenneco Inc.	$	64		$	(12	)	$	46		$	(52	)	$	46
Comprehensive income (loss) attributable to Tenneco Inc.	$	64		$	(12	)	$	43		$	(52	)	$	43

BALANCE SHEET

	March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims			Consolidated
	(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$	—		$	288		$	—		$	—		$	288
Receivables, net	464			1,378			—			(590		)	1,252
Inventories	339			378			—			—			717
Deferred income taxes	47			24			7			—			78
Prepayments and other	70			209			—			—			279
Total current assets	920			2,277			7			(590		)	2,614
Other assets:
Investment in affiliated companies	1,104			—			771			(1,875		)	—
Notes and advances receivable from affiliates	924			11,056			4,927			(16,907		)	—
Long-term receivables, net	11			1			—			—			12
Goodwill	22			41			—			—			63
Intangibles, net	12			15			—			—			27
Deferred income taxes	80			16			56			—			152
Other	36			50			—			—			86
	2,189			11,179			5,754			(18,782		)	340
Plant, property, and equipment, at cost	1,260			2,105			—			—			3,365
Less — Accumulated depreciation and amortization	(860		)	(1,320		)	—			—			(2,180		)
	400			785			—			—			1,185
Total assets	$	3,509		$	14,241		$	5,761		$	(19,372	)	$	4,139
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	$	—		$	117		$	15		$	—		$	132
Short-term debt — affiliated	147			254			—			(401		)	—
Trade payables	553			979			—			(141		)	1,391
Accrued taxes	(21		)	39			33			—			51
Other	125			234			15			(48		)	326
Total current liabilities	804			1,623			63			(590		)	1,900
Long-term debt — non-affiliated	—			44			1,084			—			1,128
Long-term debt — affiliated	1,801			10,964			4,142			(16,907		)	—
Deferred income taxes	—			18			—			—			18
Postretirement benefits and other liabilities	413			112			(2		)	5			528
Commitments and contingencies
Total liabilities	3,018			12,761			5,287			(17,492		)	3,574
Redeemable noncontrolling interests	—			43			—			—			43
Tenneco Inc. shareholders’ equity	491			1,389			474			(1,880		)	474
Noncontrolling interests	—			48			—			—			48
Total equity	491			1,437			474			(1,880		)	522
Total liabilities, redeemable noncontrolling interests and equity	$	3,509		$	14,241		$	5,761		$	(19,372	)	$	4,139

BALANCE SHEET

	December 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)		Reclass & Elims			Consolidated
	(Millions)
ASSETS
Current assets:
Cash and cash equivalents	$	10		$	272		$	—	$	—		$	282
Restricted cash	—			3			—		—			3
Receivables, net	408			1,309			—		(629		)	1,088
Inventories	312			376			—		—			688
Deferred income taxes	49			25			7		—			81
Prepayments and other	96			188			—		—			284
Total current assets	875			2,173			7		(629		)	2,426
Other assets:
Investment in affiliated companies	1,064			—			764		(1,828		)	—
Notes and advances receivable from affiliates	944			10,589			4,844		(16,377		)	—
Long-term receivables, net	12			—			—		—			12
Goodwill	22			43			—		—			65
Intangibles, net	10			16			—		—			26
Deferred income taxes	76			14			53		—			143
Other	40			53			—		—			93
	2,168			10,715			5,661		(18,205		)	339
Plant, property, and equipment, at cost	1,236			2,254			—		—			3,490
Less — Accumulated depreciation and amortization	(845		)	(1,427		)	—		—			(2,272		)
	391			827			—		—			1,218
Total assets	$	3,434		$	13,715		$	5,668	$	(18,834	)	$	3,983
LIABILITIES AND SHAREHOLDERS’ EQUITY
Current liabilities:
Short-term debt (including current maturities of long-term debt)
Short-term debt — non-affiliated	$	—		$	54		$	6	$	—		$	60
Short-term debt — affiliated	243			220			9		(472		)	—
Trade payables	478			1,000			—		(106		)	1,372
Accrued taxes	(15		)	31			24		—			40
Other	134			241			3		(51		)	327
Total current liabilities	840			1,546			42		(629		)	1,799
Long-term debt — non-affiliated	—			44			998		—			1,042
Long-term debt — affiliated	1,730			10,516			4,131		(16,377		)	—
Deferred income taxes	—			18			—		—			18
Postretirement benefits and other liabilities	418			129			—		4			551
Commitments and contingencies
Total liabilities	2,988			12,253			5,171		(17,002		)	3,410
Redeemable noncontrolling interests	—			35			—		—			35
Tenneco Inc. shareholders’ equity	446			1,386			497		(1,832		)	497
Noncontrolling interests	—			41			—		—			41
Total equity	446			1,427			497		(1,832		)	538
Total liabilities, redeemable noncontrolling interests and equity	$	3,434		$	13,715		$	5,668	$	(18,834	)	$	3,983

STATEMENT OF CASH FLOWS

	Three Months Ended March 31, 2015
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims		Consolidated
	(Millions)
Operating Activities
Net cash provided (used) by operating activities	$	(74	)	$	26		$	(2	)	$	—	$	(50	)
Investing Activities
Proceeds from sale of assets	—			1			—			—		1
Cash payments for plant, property, and equipment	(27		)	(50		)	—			—		(77		)
Cash payments for software related intangible assets	(2		)	(3		)	—			—		(5		)
Changes in restricted cash	—			3			—			—		3
Net cash used by investing activities	(29		)	(49		)	—			—		(78		)
Financing Activities
Tax benefit from stock-based compensation	—			—			3			—		3
Retirement of long-term debt	—			—			(4		)	—		(4		)
Purchase of common stock under the share repurchase program	—			—			(11		)	—		(11		)
Increase (decrease) in bank overdrafts	—			(8		)	—			—		(8		)
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	—			64			47			—		111
Net increase (decrease) in short-term borrowings secured by accounts receivables	—			—			50			—		50
Intercompany dividend payments and net increase (decrease) in intercompany obligations	93			(10		)	(83		)	—		—
Net cash provided (used) by financing activities	93			46			2			—		141
Effect of foreign exchange rate changes on cash and cash equivalents	—			(7		)	—			—		(7		)
Increase (decrease) in cash and cash equivalents	(10		)	16			—			—		6
Cash and cash equivalents, January 1	10			272			—			—		282
Cash and cash equivalents, March 31 (Note)	$	—		$	288		$	—		$	—	$	288

Note: Cash and cash equivalents include highly liquid investments with a maturity of three months or less at the date of purchase.

STATEMENT OF CASH FLOWS

	Three Months Ended March 31, 2014
	Guarantor Subsidiaries			Nonguarantor Subsidiaries			Tenneco Inc. (Parent Company)			Reclass & Elims		Consolidated
	(Millions)
Operating Activities
Net cash provided (used) by operating activities	$	(208	)	$	90		$	(22	)	$	—	$	(140	)
Investing Activities
Cash payments for plant, property, and equipment	(25		)	(58		)	—			—		(83		)
Cash payments for software related intangible assets	(4		)	(3		)	—			—		(7		)
Changes in restricted cash	—			(1		)						(1		)
Net cash used by investing activities	(29		)	(62		)	—			—		(91		)
Financing Activities
Issuance (repurchase) of common shares	—			—			(2		)	—		(2		)
Tax benefit from stock-based compensation	—			—			12			—		12
Retirement of long-term debt	—			—			(3		)	—		(3		)
Increase (decrease) in bank overdrafts	—			4			—			—		4
Net increase (decrease) in revolver borrowings and short-term debt excluding current maturities of long-term debt and short-term borrowings secured by accounts receivables	—			24			173			—		197
Net increase in short-term borrowings secured by accounts receivable	—			—			20			—		20
Intercompany dividend payments and net increase (decrease) in intercompany obligations	233			(55		)	(178		)	—		—
Capital contribution from noncontrolling interest partner	—			1			—			—		1
Net cash provided (used) by financing activities	233			(26		)	22			—		229
Effect of foreign exchange rate changes on cash and cash equivalents	—			(6		)	—			—		(6		)
Increase (decrease) in cash and cash equivalents	(4		)	(4		)	—			—		(8		)
Cash and cash equivalents, January 1	6			269			—			—		275
Cash and cash equivalents, March 31 (Note)	$	2		$	265		$	—		$	—	$	267

Note: Cash and cash equivalents include highly liquid investments with a maturity of three months or less at the date of purchase.