10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 10-Q

QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF

THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2014

Commission file number 001-12215

Quest Diagnostics Incorporated

Three Giralda Farms

Madison, NJ 07940

(973) 520-2700

Delaware

(State of Incorporation)

16-1387862

(I.R.S. Employer Identification Number)

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 x No o

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files). Yes x No o

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.

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

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

As of July 24, 2014, there were outstanding 144,414,683 shares of the registrant’s common stock, $.01 par value.

PART I - FINANCIAL INFORMATION

		Page
Item 1. Financial Statements
	Index to consolidated financial statements filed as part of this report:
	Consolidated Statements of Operations for the Three and Six Months Ended June 30, 2014 and 2013	2
	Consolidated Statements of Comprehensive Income for the Three and Six Months Ended June 30, 2014 and 2013	3
	Consolidated Balance Sheets as of June 30, 2014 and December 31, 2013	4
	Consolidated Statements of Cash Flows for the Six Months Ended June 30, 2014 and 2013	5
	Consolidated Statements of Stockholders’ Equity for the Six Months Ended June 30, 2014 and 2013	6
	Notes to Consolidated Financial Statements	7
Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations
	Management’s Discussion and Analysis of Financial Condition and Results of Operations	28
Item 3. Quantitative and Qualitative Disclosures About Market Risk
	See Item 2. “Management’s Discussion and Analysis of Financial Condition and Results of Operations”	39
Item 4. Controls and Procedures
	Controls and Procedures	40

1

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF OPERATIONS

FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2014 AND 2013

(unaudited)

(in millions, except per share data)

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Net revenues	$	1,902		$	1,815		$	3,648		$	3,602
Operating costs and expenses:
Cost of services	1,174			1,094			2,275			2,186
Selling, general and administrative	440			418			855			866
Amortization of intangible assets	25			20			47			39
Other operating expense (income), net	1			(6		)	1			(5		)
Total operating costs and expenses	1,640			1,526			3,178			3,086
Operating income	262			289			470			516
Other income (expense):
Interest expense, net	(42		)	(40		)	(81		)	(80		)
Equity in earnings of equity method investees	6			7			12			13
Other income, net	3			—			4			4
Total non-operating expenses, net	(33		)	(33		)	(65		)	(63		)
Income from continuing operations before taxes	229			256			405			453
Income tax expense	87			95			152			168
Income from continuing operations	142			161			253			285
Income from discontinued operations, net of taxes	—			13			—			33
Net income	142			174			253			318
Less: Net income attributable to noncontrolling interests	9			9			16			17
Net income attributable to Quest Diagnostics	$	133		$	165		$	237		$	301
Amounts attributable to Quest Diagnostics’ stockholders:
Income from continuing operations	$	133		$	152		$	237		$	268
Income from discontinued operations, net of taxes	—			13			—			33
Net income	$	133		$	165		$	237		$	301
Earnings per share attributable to Quest Diagnostics’ common stockholders - basic:
Income from continuing operations	$	0.92		$	0.99		$	1.64		$	1.72
Income from discontinued operations	—			0.08			—			0.21
Net income	$	0.92		$	1.07		$	1.64		$	1.93
Earnings per share attributable to Quest Diagnostics’ common stockholders - diluted:
Income from continuing operations	$	0.92		$	0.99		$	1.63		$	1.71
Income from discontinued operations	—			0.08			—			0.21
Net income	$	0.92		$	1.07		$	1.63		$	1.92
Weighted average common shares outstanding:
Basic	144			153			144			155
Diluted	145			154			145			157
Dividends per common share	$	0.33		$	0.30		$	0.66		$	0.60

The accompanying notes are an integral part of these statements.

2

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2014 AND 2013

(unaudited)

(in millions)

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Net income	$	142		$	174		$	253		$	318
Other comprehensive income (loss):
Currency translation	3			(26		)	2			(30		)
Market valuation, net of tax	3			—			3			—
Net deferred loss on cash flow hedges, net of tax	(3		)	—			(5		)	—
Other, net of tax	—			3			—			3
Other comprehensive income (loss)	3			(23		)	—			(27		)
Comprehensive income	145			151			253			291
Less: Comprehensive income attributable to noncontrolling interests	9			9			16			17
Comprehensive income attributable to Quest Diagnostics	$	136		$	142		$	237		$	274

The accompanying notes are an integral part of these statements.

3

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

CONSOLIDATED BALANCE SHEETS

JUNE 30, 2014 AND DECEMBER 31, 2013

(unaudited)

(in millions, except per share data)

	June 30, 2014			December 31, 2013
Assets
Current assets:
Cash and cash equivalents	$	144		$	187
Accounts receivable, net of allowance for doubtful accounts of $271 and $236 at June 30, 2014 and December 31, 2013, respectively	963			852
Inventories	109			91
Deferred income taxes	164			148
Prepaid expenses and other current assets	125			105
Total current assets	1,505			1,383
Property, plant and equipment, net	884			805
Goodwill	6,024			5,649
Intangible assets, net	1,117			896
Other assets	227			215
Total assets	$	9,757		$	8,948
Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable and accrued expenses	$	1,038		$	920
Short-term borrowings and current portion of long-term debt	220			212
Total current liabilities	1,258			1,132
Long-term debt	3,738			3,120
Other liabilities	642			723
Stockholders’ equity:
Quest Diagnostics stockholders’ equity:
Common stock, par value $0.01 per share; 600 shares authorized at both June 30, 2014 and December 31, 2013; 215 shares issued at both June 30, 2014 and December 31, 2013	2			2
Additional paid-in capital	2,394			2,379
Retained earnings	5,500			5,358
Accumulated other comprehensive loss	(8		)	(8		)
Treasury stock, at cost; 71 shares at both June 30, 2014 and December 31, 2013	(3,796		)	(3,783		)
Total Quest Diagnostics stockholders’ equity	4,092			3,948
Noncontrolling interests	27			25
Total stockholders’ equity	4,119			3,973
Total liabilities and stockholders’ equity	$	9,757		$	8,948

The accompanying notes are an integral part of these statements.

4

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF CASH FLOWS

FOR THE SIX MONTHS ENDED JUNE 30, 2014 AND 2013

(unaudited)

(in millions)

	Six Months Ended June 30,
	2014			2013
Cash flows from operating activities:
Net income	$	253		$	318
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	156			142
Provision for doubtful accounts	148			139
Deferred income tax benefit	(26		)	(11		)
Stock-based compensation expense	25			17
Excess tax benefits from stock-based compensation arrangements	—			(3		)
Gain on sale of business	—			(22		)
Other, net	(2		)	(1		)
Changes in operating assets and liabilities:
Accounts receivable	(191		)	(213		)
Accounts payable and accrued expenses	(39		)	(68		)
Income taxes payable	44			(35		)
Other assets and liabilities, net	(4		)	(8		)
Net cash provided by operating activities	364			255
Cash flows from investing activities:
Business acquisitions, net of cash acquired	(723		)	(180		)
Proceeds from sale of businesses	—			266
Capital expenditures	(117		)	(105		)
Increase in investments and other assets	(1		)	—
Net cash used in investing activities	(841		)	(19		)
Cash flows from financing activities:
Proceeds from borrowings	1,738			578
Repayments of debt	(1,159		)	(415		)
Purchases of treasury stock	(57		)	(512		)
Exercise of stock options	30			63
Excess tax benefits from stock-based compensation arrangements	—			3
Dividends paid	(91		)	(95		)
Distributions to noncontrolling interests	(14		)	(13		)
Other financing activities, net	(13		)	(10		)
Net cash provided by (used in) financing activities	434			(401		)
Net change in cash and cash equivalents	(43		)	(165		)
Change in cash and cash equivalents included in assets held for sale	—			17
Cash and cash equivalents, beginning of period	187			296
Cash and cash equivalents, end of period	$	144		$	148

The accompanying notes are an integral part of these statements.

5

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY

FOR THE SIX MONTHS ENDED JUNE 30, 2014 AND 2013

(unaudited)

(in millions)

			Quest Diagnostics Stockholders’ Equity
	Shares of Common Stock Outstanding		Common Stock		Additional Paid-In Capital			Retained Earnings			Accumulated Other Compre- hensive Loss			Treasury Stock, at Cost			Non- controlling Interests			Total Stock- holders’ Equity
Balance, December 31, 2013	144		$	2	$	2,379		$	5,358		$	(8	)	$	(3,783	)	$	25		$	3,973
Net income								237									16			253
Dividends declared								(95		)										(95		)
Distributions to noncontrolling interests																	(14		)	(14		)
Issuance of common stock under benefit plans	1													9						9
Stock-based compensation expense					23									2						25
Exercise of stock options					(3		)							33						30
Shares to cover employee payroll tax withholdings on stock issued under benefit plans					(5		)													(5		)
Purchases of treasury stock	(1	)												(57		)				(57		)
Balance, June 30, 2014	144		$	2	$	2,394		$	5,500		$	(8	)	$	(3,796	)	$	27		$	4,119
			Quest Diagnostics Stockholders’ Equity
	Shares of Common Stock Outstanding		Common Stock		Additional Paid-In Capital			Retained Earnings			Accumulated Other Compre- hensive Income (Loss)			Treasury Stock, at Cost			Non- controlling Interests			Total Stock- holders’ Equity
Balance, December 31, 2012	158		$	2	$	2,371		$	4,690		$	14		$	(2,914	)	$	23		$	4,186
Net income								301									17			318
Other comprehensive loss, net of tax											(27		)							(27		)
Dividends declared								(93		)										(93		)
Distributions to noncontrolling interests																	(13		)	(13		)
Issuance of common stock under benefit plans	1				1									9						10
Stock-based compensation expense					15									2						17
Exercise of stock options	1				(5		)							68						63
Shares to cover employee payroll tax withholdings on stock issued under benefit plans					(10		)													(10		)
Purchases of treasury stock	(8	)			(45		)							(467		)				(512		)
Balance, June 30, 2013	152		$	2	$	2,327		$	4,898		$	(13	)	$	(3,302	)	$	27		$	3,939

The accompanying notes are an integral part of these statements.

6

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

(unaudited)

(dollars in millions unless otherwise indicated)

1.    DESCRIPTION OF BUSINESS

Background

Quest Diagnostics Incorporated and its subsidiaries ("Quest Diagnostics" or the "Company") is the world's leading provider of diagnostic information services ("DIS") providing insights that empower and enable patients, physicians, hospitals, integrated delivery networks, health plans, employers and others to make better healthcare decisions. The Company offers the broadest access in the United States to DIS through its nationwide network of laboratories and Company-owned patient service centers and the Company is the leading provider of DIS, including routine testing, esoteric or gene-based testing and anatomic pathology testing. The Company provides interpretive consultation through the largest medical and scientific staff in the industry, with hundreds of M.D.s and Ph.D.s, primarily located in the United States, many of whom are recognized leaders in their fields. The Company's Diagnostic Solutions ("DS") businesses offer a variety of solutions for life insurers, healthcare providers and others. The Company is the leading provider of risk assessment services for the life insurance industry. In addition, the Company is a leading provider of testing for clinical trials. The Company's diagnostics products business manufactures and markets diagnostic products. In addition, the Company offers healthcare organizations and clinicians robust information technology solutions.

2.    SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The interim unaudited consolidated financial statements reflect all adjustments which in the opinion of management are necessary for a fair statement of results of operations, comprehensive income, financial condition, cash flows and stockholders' equity for the periods presented. Except as otherwise disclosed, all such adjustments are of a normal recurring nature. Operating results for the interim periods are not necessarily indicative of the results that may be expected for the full year. These interim unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements included in the Company’s 2013 Annual Report on Form 10-K. The year-end balance sheet data was derived from the audited financial statements as of December 31, 2013, but does not include all the disclosures required by accounting principles generally accepted in the United States (“GAAP”).

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management 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 financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Earnings Per Share

The Company's unvested restricted stock units that contain non-forfeitable rights to dividends are participating securities and, therefore, are included in the earnings allocation in computing earnings per share using the two-class method. Basic earnings per common share is calculated by dividing net income, adjusted for earnings allocated to participating securities, by the weighted average number of common shares outstanding. Diluted earnings per common share is calculated by dividing net income, adjusted for earnings allocated to participating securities, by the weighted average number of common shares outstanding after giving effect to all potentially dilutive common shares outstanding during the period. Potentially dilutive common shares include the dilutive effect of outstanding stock options and performance share units granted under the Company's Amended and Restated Employee Long-Term Incentive Plan and its Amended and Restated Non-Employee Director Long-Term Incentive Plan. Earnings allocable to participating securities include the portion of dividends declared as well as the portion of undistributed earnings during the period allocable to participating securities.

7

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

Adoption of New Accounting Standards

On January 1, 2014, the Company adopted a new accounting standard issued by the Financial Accounting Standards Board ("FASB") on foreign currency matters that clarifies the guidance of a parent company's accounting for the cumulative translation adjustment upon derecognition of certain subsidiaries or groups of assets within a foreign entity or of an investment in a foreign entity. Under this standard, a parent company that ceases to have a controlling financial interest in a foreign subsidiary or group of assets within a foreign entity shall release any related cumulative translation adjustment into net income only if a sale or transfer results in complete or substantially complete liquidation of the foreign entity. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

On January 1, 2014, the Company adopted a new accounting standard issued by the FASB on the financial statement presentation of unrecognized tax benefits. The standard provides that a liability related to an unrecognized tax benefit would be presented as a reduction of a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if such settlement is required or expected in the event the uncertain tax position is disallowed. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

New Accounting Pronouncements

In April 2014, the FASB issued an accounting standard update ("ASU") related to the presentation and reporting of discontinued operations, including the disposals of components of an entity. The ASU changes the criteria for reporting discontinued operations and requires expanded disclosures about discontinued operations that will provide financial statement users with more information about the assets, liabilities, income, and expenses of discontinued operations. The new guidance also requires disclosure of the pre-tax income attributable to a disposal of a significant part of an organization that does not qualify for discontinued operations reporting. This ASU is effective for the Company in the first quarter of 2015 and early adoption is permitted. The impact of the adoption of this ASU on the Company’s results of operations, financial position, cash flows and disclosures will be assessed as part of any future disposal activity.

In May 2014, the FASB issued an ASU on revenue recognition. This ASU outlines a single comprehensive model to use in accounting for revenue arising from contracts with customers. This standard supersedes existing revenue recognition requirements and eliminates most industry-specific guidance from GAAP. The core principle of the revenue recognition standard is to require an entity to recognize as revenue the amount that reflects the consideration to which it expects to be entitled in exchange for goods or services as it transfers control to its customers. The standard requires additional disclosures including those that are qualitative and quantitative disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. This ASU is effective for the Company in the first quarter of 2017 with the option of using a full retrospective method or a modified retrospective method. The Company is currently assessing the impact of the adoption of this ASU on the Company’s results of operations, financial position and cash flows.

8

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

3.    EARNINGS PER SHARE

The computation of basic and diluted earnings per common share was as follows (in millions, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Amounts attributable to Quest Diagnostics’ stockholders:
Income from continuing operations	$	133	$	152	$	237	$	268
Income from discontinued operations, net of taxes	—		13		—		33
Net income attributable to Quest Diagnostics’ common stockholders	$	133	$	165	$	237	$	301
Income from continuing operations	$	133	$	152	$	237	$	268
Less: Earnings allocated to participating securities	—		—		1		1
Earnings available to Quest Diagnostics’ common stockholders – basic and diluted	$	133	$	152	$	236	$	267
Weighted average common shares outstanding – basic	144		153		144		155
Effect of dilutive securities:
Stock options and performance share units	1		1		1		2
Weighted average common shares outstanding – diluted	145		154		145		157
Earnings per share attributable to Quest Diagnostics’ common stockholders – basic:
Income from continuing operations	$	0.92	$	0.99	$	1.64	$	1.72
Income from discontinued operations	—		0.08		—		0.21
Net income	$	0.92	$	1.07	$	1.64	$	1.93
Earnings per share attributable to Quest Diagnostics’ common stockholders – diluted:
Income from continuing operations	$	0.92	$	0.99	$	1.63	$	1.71
Income from discontinued operations	—		0.08		—		0.21
Net income	$	0.92	$	1.07	$	1.63	$	1.92

The following securities were not included in the calculation of diluted earnings per share due to their antidilutive effect (shares in millions):

	Three Months Ended June 30,		Six Months Ended June 30,
	2014	2013	2014	2013
Stock options and performance share units	3	1	4	2

4.    RESTRUCTURING ACTIVITIES

Invigorate Program

During 2012, the Company committed to a course of action related to a multi-year program called Invigorate which is

designed to reduce its cost structure. The Invigorate program is intended to mitigate the impact of continued reimbursement

pressures and labor and benefit cost increases, free up additional resources to invest in science, innovation and other growth

initiatives, and enable the Company to improve operating profitability and quality.

9

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

The following table provides a summary of the Company's pre-tax restructuring charges associated with its Invigorate program and other restructuring activities for the three and six months ended June 30, 2014 and 2013:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Employee separation costs	$	6	$	8	$	14	$	42
Facility-related costs	3		1		4		1
Asset impairment charges	1		—		1		—
Accelerated vesting of stock-based compensation	—		—		—		1
Total restructuring charges	$	10	$	9	$	19	$	44

Total restructuring charges incurred for the three and six months ended June 30, 2014 are primarily associated with

various workforce reduction initiatives as the Company continues to simplify and restructure its organization. Of the total $10 million in restructuring charges incurred during the three months ended June 30, 2014, $4 million and $6 million were recorded in cost of services and selling, general and administrative expenses, respectively. Of the total $19 million in restructuring charges incurred during the six months ended June 30, 2014, $12 million and $7 million were recorded in cost of services and selling, general and administrative expenses, respectively.

Total restructuring charges incurred during the three months ended June 30, 2013 included $8 million of employee separation costs primarily associated with various workforce reduction initiatives. Of the total $9 million in restructuring charges incurred during the three months ended June 30, 2013, $4 million and $5 million were recorded in cost of services and selling, general and administrative expenses, respectively. Total restructuring charges incurred during the six months ended June 30, 2013 included $19 million of employee separation costs primarily associated with the Company's management layer reduction initiative and $4 million under the Company's voluntary retirement program. The remaining restructuring costs incurred for the six months ended June 30, 2013 were associated with other workforce reduction initiatives. Of the total $44 million in restructuring charges incurred during the six months ended June 30, 2013, $17 million and $27 million were recorded in cost of services and selling, general and administrative expenses, respectively.

Charges for both periods presented were primarily recorded in the Company's DIS business.

The following table summarizes activity in the restructuring liability as of June 30, 2014:

	Employee Separation Costs			Facility-Related Costs			Total
Balance, December 31, 2013	$	31		$	5		$	36
Current period charges	14			4			18
Less:
Cash payments	(24		)	(2		)	(26		)
Balance, June 30, 2014	$	21		$	7		$	28

10

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

5.     BUSINESS ACQUISITIONS

Acquisition of Solstas Lab Partners Group

On March 7, 2014, the Company completed its acquisition of Solstas Lab Partners Group and its subsidiaries ("Solstas") in an all-cash transaction valued at $572 million, or $563 million net of cash acquired. The Company financed the acquisition with borrowings under its secured receivables credit facility and senior unsecured revolving credit facility. The final consideration paid is subject to post closing adjustments related to working capital. Through the acquisition, the Company acquired all of Solstas' operations. Solstas is a full-service commercial laboratory based in Greensboro, North Carolina and operates in nine states throughout the Southeastern United States, including the Carolinas, Virginia, Tennessee, Georgia and Alabama.

For the three and six months ended June 30, 2014, Solstas contributed $97 million and $122 million, respectively, to the Company's consolidated net revenues and $97 million and $122 million, respectively, to operating expenses which includes approximately $3 million and $5 million of integration and transaction related costs, respectively, recorded in selling, general and administrative expenses.

Acquisition of Summit Health, Inc.

On April 18, 2014, the Company completed its acquisition of Summit Health, Inc. ("Summit Health") for $151 million, which consisted of cash consideration of $124 million (which includes $9 million of working capital adjustments), or $123 million net of cash acquired, estimated contingent consideration of $22 million, and $5 million associated with certain transaction related costs due to the sellers of Summit Health. The contingent consideration arrangement is dependent on the achievement of certain revenue targets in 2015 and the Company could pay up to $25 million in 2016 based on the achievement of such targets. The final consideration paid is subject to post closing adjustments related to working capital. Through the acquisition, the Company acquired all of Summit Health's operations. Summit is a provider of on-site prevention and wellness programs. For further details regarding the fair value of the estimated contingent consideration associated with the Summit Health acquisition, see Note 6.

Acquisition of Steward Health Care Systems, LLC

On April 16, 2014, the Company completed the acquisition of the outreach laboratory service operations of Steward Health Care Systems, LLC ("Steward") for $34 million, which consisted of cash consideration of $30 million and contingent consideration of $4 million. The assets acquired primarily represent goodwill and intangible assets, principally comprised of customer-related intangibles (see Note 7). The deferred consideration arrangement secures the seller's compliance with a non-compete agreement under which the Company will pay up to $5 million, ratably, over the next four years provided the non-compete agreement is not violated through 2018. For further details regarding the fair value of the estimated contingent consideration associated with the Steward acquisition, see Note 6.

These acquisitions were accounted for under the acquisition method of accounting. As such, the assets acquired and liabilities assumed are recorded based on their estimated fair values as of the closing date. The purchase price allocations related to the Solstas and Summit Health acquisitions are based upon the Company's preliminary estimates and assumptions that are subject to change within the measurement period. Management is currently in the process of verifying data and finalizing information related to this valuation and recording of identifiable intangible assets, certain other assets and liabilities and the corresponding effect on the amount of goodwill. All of the goodwill acquired in connection with the Solstas, Summit Health and Steward acquisitions has been allocated to the Company's DIS business.

11

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

The following tables summarizes the consideration paid and the preliminary amounts of assets acquired and liabilities assumed at the acquisition date for the Solstas and Summit Health acquisitions described above:

	Solstas			Summit Health
Cash	$	572		$	124
Estimated fair value of contingent consideration	—			22
Transaction related costs due to sellers	—			5
Total consideration	$	572		$	151
	Solstas			Summit Health
Allocation of purchase price:	Fair Value		Weighted Average Useful Life (in years)	Fair Value		Weighted Average Useful Life (in years)
Cash and cash equivalents	$	9		$	1
Accounts receivable, net	48			11
Current deferred income taxes	7			—
Other current assets	13			16
Property, plant and equipment, net	48			6
Goodwill	266			89
Intangible assets:
Customer relationships	203		20	33		15
Software	—			3		4
Trade name	7		2	2		1
Total intangible assets	210			38
Non-current deferred income taxes	42			—
Total assets acquired	643			161
Current liabilities	59			10
Non-current deferred income taxes	4			—
Other non-current liabilities	8			—
Total liabilities assumed	71			10
Net assets acquired	$	572		$	151

The goodwill recorded as part of the Solstas and Summit Health acquisitions includes the expected synergies resulting from combining the operations of the acquired business with those of the Company and the value associated with an assembled workforce that has a historical track record of identifying opportunities.

12

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

Pro Forma Combined Financial Information

The following unaudited pro forma combined financial information reflects the consolidated statement of operations of the Company as if the acquisitions of Solstas and Summit Health had occurred as of January 1, 2013. The pro forma information includes adjustments primarily related to the amortization of intangible assets acquired, interest expense associated with debt extinguished prior to the acquisitions, and integration and transaction costs related to the Solstas and Summit Health acquisitions. The pro forma combined financial information does not include the estimated annual synergies expected to be realized upon completion of the integration of Solstas and Summit Health and is not indicative of the results of operations as they would have been had the transaction been effected on the assumed date. Financial information for Steward has not been included in the table below as this acquisition is not material to the Company’s interim unaudited consolidated financial statements.

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Pro forma net revenues	$	1,906	$	1,929	$	3,733	$	3,829
Pro forma income from continuing operations	$	143	$	163	$	252	$	286
Earnings per share attributable to Quest Diagnostics’ common stockholders - basic:
Pro forma income from continuing operations	$	0.92	$	0.99	$	1.63	$	1.72
Earnings per share attributable to Quest Diagnostics’ common stockholders - diluted:
Pro forma income from continuing operations	$	0.92	$	1.00	$	1.62	$	1.71

13

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

6.     FAIR VALUE MEASUREMENTS

The following table provides a summary of the recognized assets and liabilities that are measured at fair value on a recurring basis:

			Basis of Fair Value Measurements
			Quoted Prices in Active Markets for Identical Assets / Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
June 30, 2014			Level 1		Level 2		Level 3
Assets:
Trading securities	$	50	$	50	$	—	$	—
Cash surrender value of life insurance policies	30		—		30		—
Available-for-sale equity securities	12		12		—		—
Interest rate swaps	8		—		8		—
Put option	4		—		—		4
Total	$	104	$	62	$	38	$	4
Liabilities:
Deferred compensation liabilities	$	84	$	—	$	84	$	—
Contingent consideration	26		—		—		26
Interest rate swaps	18		—		18		—
Call option	8		—		—		8
Forward starting interest rate swaps	8		—		8		—
Total	$	144	$	—	$	110	$	34

			Basis of Fair Value Measurements
			Quoted Prices in Active Markets for Identical Assets / Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
December 31, 2013			Level 1		Level 2		Level 3
Assets:
Trading securities	$	50	$	50	$	—	$	—
Cash surrender value of life insurance policies	29		—		29		—
Put option	4		—		—		4
Forward starting interest rate swaps	2		—		2		—
Total	$	85	$	50	$	31	$	4
Liabilities:
Deferred compensation liabilities	$	84	$	—	$	84	$	—
Interest rate swaps	34		—		34		—
Call option	8		—		—		8
Total	$	126	$	—	$	118	$	8

14

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

A full description regarding the Company's fair value measurements is contained in Note 7 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

The fair value measurements of the Company's interest rate swaps and forward starting swaps are model-derived valuations as of a given date in which all significant inputs are observable in active markets including certain financial information and certain assumptions regarding past, present and future market conditions.

In connection with the acquisition of certain businesses of UMass, the Company granted to UMass a call option and UMass granted to the Company a put option for UMass to acquire an 18.90% equity interest in a newly formed entity. The put and call options are derivative instruments that have a remaining vesting period of approximately 9 months and their fair values have been measured using a combination of discounted cash flows and the Black-Scholes-Merton option pricing model. There were no material changes in the fair value measurements using significant unobservable inputs associated with the UMass put option derivative asset or the call option derivative liability at June 30, 2014.

In April 2014, and as further detailed in Note 5, the Company completed the acquisitions of Steward and Summit Health. In connection with these acquisitions the Company recorded an aggregate contingent consideration liability of $26 million. The contingent consideration liability was classified within Level 3 measured at fair value using a probability weighted and discounted cash flow method. These measurements are based on externally obtained inputs and management's probability assessments of the occurrence of triggering events, appropriately discounted considering the uncertainties associated with the obligations, as well as the likelihood of achieving financial targets. The current probability estimate of the occurrence of such triggering events associated with the amounts the Company could be obligated to pay in future periods is between 5% and 95%. The probability-weighted cash flows were then discounted using a discount rate between 1.5% and 2.8%. The contingent consideration associated with Summit Health is projected to be paid in the first quarter of 2016, with a maximum payment of $25 million. The contingent consideration associated with Steward is projected to be paid out in four equal annual installments beginning in 2015, with a maximum payout of $5 million in total.

Investment in available-for-sale equity securities represents an investment that the Company previously accounted for under the cost method as it consisted of common shares of a privately held entity. In April 2014, the Company's investee registered its shares through an initial public offering on the Euronext Paris exchange. As a result of the initial public offering, the Company reclassified the shares to an investment in available-for-sale equity securities. The Company's investment in available-for-sale equity securities is classified within Level 1 of the fair value hierarchy because the fair value is obtained from quoted prices in an active market.

The following table provides a reconciliation of the beginning and ending balances of the contingent consideration measured using significant and unobservable inputs:

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Contingent Consideration
Balance, December 31, 2013	$	—
Purchases, additions and issuances	26
Total gains (losses) - realized/ unrealized:
Included in earnings	—
Transfers in and out of Level 3	—
Balance, June 30, 2014	$	26

The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable and accrued expenses approximate fair value based on the short maturities of these instruments. At June 30, 2014, the fair value of the Company’s debt was estimated at $4.3 billion, which exceeded the carrying value by $342 million. At December 31, 2013, the fair value of the Company's debt was estimated at $3.5 billion, which exceeded the carrying value by $184 million. Principally all of the

15

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

Company's debt is classified within Level 1 of the fair value hierarchy because the fair value of the debt is estimated based on rates currently offered to the Company with identical terms and maturities, using quoted active market prices and yields, taking into account the underlying terms of the debt instruments.

7.    GOODWILL AND INTANGIBLE ASSETS

The changes in goodwill for the six months ended June 30, 2014 and for the year ended December 31, 2013 are as follows:

	June 30, 2014		December 31, 2013
Balance at beginning of period	$	5,649	$	5,536
Goodwill acquired during the period	375		150
Write-off associated with sale of a business during the period	—		(37		)
Balance at end of period	$	6,024	$	5,649

Principally all of the Company’s goodwill as of June 30, 2014 and December 31, 2013 is associated with its DIS business.

For the six months ended June 30, 2014, goodwill acquired was principally associated with the Solstas, Summit Health and Steward acquisitions, of which $104 million is deductible for tax purposes. Acquisitions during the year also resulted in $268 million of intangible assets, principally comprised of customer-related intangibles and trade names. For further details regarding business acquisitions, see Note 5.

For the year ended December 31, 2013, goodwill acquired was principally associated with the UMass, ATN, Dignity and ConVerge acquisitions, of which $135 million is deductible for tax purposes. These acquisitions also resulted in $108 million of intangible assets, principally comprised of customer-related intangibles. For further details regarding the Company's 2013 acquisitions, see Note 5 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

For the year ended December 31, 2013, $37 million of goodwill was written-off in conjunction with the sale of Enterix. For further details regarding the sale of Enterix, see Note 6 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

16

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

Intangible assets at June 30, 2014 and December 31, 2013 consisted of the following:

	Weighted Average Amortization Period (in years)	June 30, 2014							December 31, 2013
		Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Amortizing intangible assets:
Customer-related intangibles	18	$	927	$	(233	)	$	694	$	670	$	(210	)	$	460
Non-compete agreements	4	43		(32		)	11		43		(27		)	16
Technology	14	119		(33		)	86		119		(28		)	91
Other	8	152		(71		)	81		141		(57		)	84
Total	16	1,241		(369		)	872		973		(322		)	651
Intangible assets not subject to amortization:
Trade names		244		—			244		244		—			244
Other		1		—			1		1		—			1
Total intangible assets		$	1,486	$	(369	)	$	1,117	$	1,218	$	(322	)	$	896

Amortization expense related to intangible assets was $25 million and $20 million for the three months ended June 30, 2014 and 2013, respectively. For the six months ended June 30, 2014 and 2013, amortization expense related to intangible assets was $47 million and $39 million, respectively.

The estimated amortization expense related to amortizable intangible assets for each of the five succeeding fiscal years and thereafter as of June 30, 2014 is as follows:

Year Ending December 31,
Remainder of 2014	$	47
2015	84
2016	74
2017	71
2018	64
2019	62
Thereafter	470
Total	$	872

17

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

8.    DEBT

Long-term debt at June 30, 2014 and December 31, 2013 consisted of the following:

	June 30, 2014		December 31, 2013
Floating Rate Senior Notes due March 2014	$	—	$	200
5.45% Senior Notes due November 2015	500		500
3.20% Senior Notes due April 2016	306		307
6.40% Senior Notes due July 2017	375		375
2.70% Senior Notes due April 2019	300		—
4.75% Senior Notes due January 2020	525		520
4.70% Senior Notes due April 2021	544		533
4.25% Senior Notes due April 2024	304		—
6.95% Senior Notes due July 2037	421		421
5.75% Senior Notes due January 2040	439		439
Other	49		37
Total long-term debt	3,763		3,332
Less: current portion of long-term debt	25		212
Total long-term debt, net of current portion	$	3,738	$	3,120

2014 Senior Notes Offering

In March 2014, the Company completed a $600 million senior notes offering (the “2014 Senior Notes”) that was sold in two tranches: (a) $300 million aggregate principal amount of 2.70% senior notes due April 2019; and (b) $300 million aggregate principal amount of 4.25% senior notes due April 2024, issued at a discount of $1 million. These senior notes are unsecured obligations of the Company and rank equally with the Company's other senior unsecured obligations. None of the Company's senior notes have a sinking fund requirement.

The Company incurred $5 million of costs associated with the 2014 Senior Notes, which is included in other assets and is being amortized over the term of the related debt.

18

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

Senior Unsecured Revolving Credit Facility

In April 2014, the Company amended and restated the agreement for the $750 million senior unsecured revolving credit facility (the “Credit Facility”) entered into in September 2011. The amended and restated Credit Facility matures in April 2019. Under the Credit Facility, the Company can issue letters of credit totaling $150 million. At June 30, 2014, letters of credit totaling less than $1 million were issued under the Credit Facility. Interest on the Credit Facility is based on certain published rates plus an applicable margin that will vary over a range from 75 basis points to 163 basis points based on changes in the Company's public debt ratings. At the option of the Company, it may elect to lock into LIBOR-based interest rates for periods up to six months. Interest on any outstanding amounts not covered under LIBOR-based interest rate contracts is based on an alternate base rate, which is calculated by reference to the prime rate, the federal funds rate or an adjusted LIBOR rate. At both June 30, 2014 and December 31, 2013, the Company's borrowing rate for LIBOR-based loans under the Credit Facility was LIBOR plus 1.125%. The Credit Facility contains various covenants, including the maintenance of certain financial ratios, which could impact the Company's ability to, among other things, incur additional indebtedness. At both June 30, 2014 and December 31, 2013, there were no outstanding borrowings under the Company’s senior unsecured revolving credit facility.

Maturities of Long-Term Debt

As of June 30, 2014, long-term debt matures as follows:

Year Ending December 31,
Remainder of 2014	$	9
2015	521
2016	309
2017	382
2018	3
2019	301
Thereafter	2,225
Total maturities of long-term debt	3,750
Unamortized discount	(21		)
Fair value basis adjustments attributable to hedged debt	34
Total long-term debt	3,763
Current portion of long-term debt	25
Total long-term debt, net of current portion	$	3,738

For further discussion regarding the Company's debt, see Note 13 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

9.    FINANCIAL INSTRUMENTS

The Company uses derivative financial instruments to manage its exposure to market risks for changes in interest rates and foreign currencies. This strategy includes the use of interest rate swap agreements, forward starting interest rate swap agreements, treasury lock agreements and foreign currency forward contracts to manage its exposure to movements in interest and currency rates. The Company has established policies and procedures for risk assessment and the approval, reporting and monitoring of derivative financial instrument activities. These policies prohibit holding or issuing derivative financial instruments for speculative purposes. The Company does not enter into derivative financial instruments that contain credit-risk-related contingent features or requirements to post collateral.

19

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

A summary of the fair values of derivative instruments in the consolidated balance sheets is stated in the table below:

	June 30, 2014				December 31, 2013
	Balance Sheet Classification	Fair Value			Balance Sheet Classification	Fair Value
Derivatives Designated as Hedging Instruments
Asset Derivatives:
Interest rate swaps	Other assets	$	8		Other assets	$	—
Forward starting interest rate swaps	Other assets	—			Other assets	2
Total Asset Derivatives		8				2
Liability Derivatives:
Interest rate swaps	Other liabilities	18			Other liabilities	34
Forward starting interest rate swaps	Other liabilities	8			Other liabilities	—
Total Liability Derivatives		26				34
Derivatives Not Designated as Hedging Instruments
Asset Derivatives:
Put option	Prepaid expenses and other current assets	4			Other assets	4
Liability Derivatives:
Call option	Accounts payable and accrued expenses	8			Other liabilities	8
Total Net Derivatives Liabilities		$	(22	)		$	(36	)

A full description regarding the Company's use of derivative financial instruments is contained in Note 14 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

Interest Rate Risk

The Company is exposed to interest rate risk on its cash and cash equivalents and its debt obligations. Interest income earned on cash and cash equivalents may fluctuate as interest rates change; however, due to their relatively short maturities, the Company does not hedge these assets or their investment cash flows and the impact of interest rate risk is not material. The Company's debt obligations consist of fixed-rate and variable-rate debt instruments. The Company's primary objective is to achieve the lowest overall cost of funding while managing the variability in cash outflows within an acceptable range. In order to achieve this objective, the Company has entered into interest rate swaps. Interest rate swaps involve the periodic exchange of payments without the exchange of underlying principal or notional amounts. Net settlements between the counterparties are recognized as an adjustment to interest expense.

20

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

Interest Rate Derivatives – Cash Flow Hedges

In March 2014, the Company entered into interest rate lock agreements with several financial institutions for a total notional amount of $175 million (the "Treasury Lock Agreements"). The Treasury Lock Agreements, which had an original maturity date of March 28, 2014, were entered into to hedge part of the Company's interest rate exposure associated with the variability in future cash flows attributable to changes in the five-year U.S. treasury rates related to the planned issuance of debt securities. In connection with the Company's senior notes offering in March 2014 (see note 8), the Company settled the Treasury Lock Agreements, which were accounted for as cash flow hedges. The loss on settlement of the Treasury Lock Agreements was not material. During the fourth quarter of 2013 and the first quarter of 2014, the Company entered into various forward starting interest rate swap agreements (the "Forward Starting Interest Rate Swap Agreements") for an aggregate notional amount of $150 million. The Forward Starting Interest Rate Swap Agreements have fixed interest rates ranging from 3.570% to 3.788%. The Forward Starting Interest Rate Swap Agreements are 21 to 24 month forward agreements that cover a ten-year hedging period and were entered into to hedge part of the Company's interest rate exposure associated with forecasted new debt issuances related to the refinancing of certain debt maturing through 2016. Through time the Company has entered into various interest rate lock agreements and forward starting interest rate swap agreements to hedge part of the Company's interest rate exposure associated with the variability in future cash flows attributable to changes in interest rates. The total net loss, net of taxes, recognized in accumulated other comprehensive loss, related to the Company's cash flow hedges as of June 30, 2014 and December 31, 2013 was $10 million and $5 million, respectively. The loss recognized on the Company's cash flow hedges for the three and six months ended June 30, 2014 and 2013, as a result of ineffectiveness, was not material. The net amount of deferred losses on cash flow hedges that is expected to be reclassified from accumulated other comprehensive loss into interest expense within the next twelve months is $1 million.

Interest Rate Derivatives – Fair Value Hedges

The Company maintains various fixed-to-variable interest rate swaps to convert a portion of the Company's long-term debt into variable interest rate debt. In July 2012, the Company entered into fixed-to-variable interest rate swap agreements on a portion of the Senior Notes due 2016 and 2020. These interest rate swap agreements have an aggregate notional amount of $550 million and variable interest rates based on six-month LIBOR plus 2.3% and one-month LIBOR plus 3.6%. During the fourth quarter of 2012, the Company entered into additional fixed-to-variable interest rate swap agreements with an aggregate notional amount of $400 million and variable interest rates based on one-month LIBOR plus a spread ranging from 3.4% to 5.1%. These derivative financial instruments are accounted for as fair value hedges on a portion of the Senior Notes due 2015 and a portion of the Senior Notes due 2021. In November 2013, the Company terminated the interest rate swaps associated with the Senior Notes due 2015 and concurrently entered into additional fixed-to-variable interest rate swaps agreements. The fixed-to-variable interest rate swap agreements entered into in November 2013 have an aggregate notional amount of $200 million and variable interest rates based on one-month LIBOR plus a spread ranging from 2.45% to 2.46% and are accounted for as fair value hedges on a portion of the Senior Notes due 2021. In March 2014, the Company entered into various fixed-to-variable interest rate swap agreements which have a notional amount of $250 million and variable interest rates based on one-month LIBOR plus a spread ranging from 1.54% to 1.59% and are accounted for as fair value hedges of a portion of the Senior Notes due 2024.

The interest rate swaps associated with the Senior Notes due 2020 and those associated with a portion of the Senior Notes due 2021 are classified as liabilities with an aggregate fair value of $18 million at June 30, 2014. The interest rate swaps associated with the Senior Notes due 2016, the Senior Notes due 2024, and those associated with an additional portion of Senior Notes due 2021 are classified as assets with an aggregate fair value of $8 million at June 30, 2014. The interest rate swaps associated with the Senior Notes due 2016, 2020, and 2021 are classified as liabilities with an aggregate fair value of $34 million at December 31, 2013. Since inception, the fair value hedges have been highly effective; therefore, there is no impact on earnings for the three and six months ended June 30, 2014 and 2013 as a result of hedge ineffectiveness.

21

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

10.    STOCKHOLDERS’ EQUITY

Components of Comprehensive Income

The market valuation adjustments represent unrealized holding gains (losses) on available-for-sale securities, net of taxes. The net deferred loss on cash flow hedges represents deferred losses on the Company’s interest rate related derivative financial instruments designated as cash flow hedges, net of amounts reclassified to interest expense (see Note 9). For the three and six months ended June 30, 2014 and 2013, the tax effects related to the market valuation adjustments, deferred losses and other were not material. Foreign currency translation adjustments are not adjusted for income taxes since they relate to indefinite investments in non-U.S. subsidiaries.

Dividend Program

During each of the first two quarters of 2014, the Company's Board of Directors declared a quarterly cash dividend of $0.33 per common share. During each of the quarters of 2013, the Company's Board of Directors declared a quarterly cash dividend of $0.30 per common share.

Share Repurchase Program

In August 2013, the Company’s Board of Directors authorized the Company to repurchase an additional $1 billion of the Company’s common stock, increasing the total available authorization at that time to $1.3 billion. The share repurchase authorization has no set expiration or termination date.

For the three months ended June 30, 2014, the Company repurchased 0.4 million shares of its common stock at an average price of $57.74 per share for $25 million. For the six months ended June 30, 2014, the Company repurchased 1.0 million shares of its common stock at an average price of $54.84 per share for $57 million. For the three and six months ended June 30, 2014, the Company reissued 0.4 million shares and 0.8 million shares, respectively, for employee benefit plans. At June 30, 2014, $771 million remained available under the Company’s share repurchase authorizations.    

On April 19, 2013, the Company entered into an accelerated share repurchase agreement ("ASR") with a financial institution to repurchase $450 million of the Company’s common stock as part of the Company’s Common Stock repurchase program. The ASR was structured as a combination of two transactions: (1) a treasury stock repurchase and (2) a forward contract which permitted the Company to purchase shares immediately with the final purchase price of those shares determined by the volume weighted average price of the Company's common stock during the purchase period, less a fixed discount. For the three months ended June 30, 2013, the Company repurchased 7.2 million shares of its common stock under the ASR at a price of $55.92 per share for a total of $405 million, which represented approximately 90 percent of the total shares expected to be repurchased under the ASR. The forward contract settled the remaining shares upon the completion of the ASR in the third quarter of 2013. The Company recorded this transaction as an increase to treasury stock of $405 million, and recorded the remaining $45 million as a decrease to additional paid-in capital in the Company's consolidated balance sheet at June 30, 2013. The $45 million recorded in additional paid-in capital was reclassified to treasury stock upon completion of the ASR in the third quarter of 2013.

In addition to the ASR previously discussed, the Company repurchased shares of its common stock on the open market. For the six months ended June 30, 2013, the Company repurchased 1.1 million shares of its common stock at an average price of $57.81 per share for a total of $62 million. For the three and six months ended June 30, 2013, the Company reissued 1.1 million shares and 1.5 million shares, respectively, for employee benefit plans.

22

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

11.    SUPPLEMENTAL CASH FLOW & OTHER DATA

Supplemental cash flow data for the three and six months ended June 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2014			2013		2014			2013
Depreciation expense	$	56		$	52	$	109		$	103
Amortization expense	25			20		47			39
Interest paid	30			32		82			84
Income taxes paid	129			121		138			205
Assets acquired under capital leases	8			2		10			2
Increase in accounts payable associated with capital expenditures	33			—		12			—
Businesses acquired:
Fair value of assets acquired	199			90		845			241
Fair value of liabilities assumed	12			—		82			11
Fair value of net assets acquired	187			90		763			230
Merger consideration paid (payable), net	(30		)	—		(30		)	(50		)
Cash paid for business acquisitions	157			90		733			180
Less: Cash acquired	1			—		10			—
Business acquisitions, net of cash acquired	$	156		$	90	$	723		$	180

Supplemental continuing operations data for the statement of operations for the three and six months ended June 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Depreciation expense	$	56		$	52		$	109		$	103
Interest expense	(42		)	(40		)	(82		)	(81		)
Interest income	—			—			1			1
Interest expense, net	$	(42	)	$	(40	)	$	(81	)	$	(80	)

12.     COMMITMENTS AND CONTINGENCIES

The Company has a line of credit with a financial institution totaling $85 million for the issuance of letters of credit (the “Letter of Credit Line”). The Letter of Credit Line, which is renewed annually, matures on November 18, 2014.

In support of its risk management program, to ensure the Company’s performance or payment to third parties, $59 million in letters of credit were outstanding at June 30, 2014. The letters of credit primarily represent collateral for current workers’ compensation loss payments.

23

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

Contingent Lease Obligations

The Company is subject to contingent obligations under certain real estate leases that were entered into by certain predecessor companies of a subsidiary prior to the Company's acquisition of the subsidiary. No liability has been recorded for any of these potential contingent obligations. See Note 18 to the Consolidated Financial Statements contained in the Company’s 2013 Annual Report on Form 10-K for further details.

Legal Matters

The Company is involved in various legal proceedings. Some of the proceedings against the Company involve claims that could be substantial in amount.

In addition to the matters described below, in the normal course of business, the Company has been named, from time to time, as a defendant in various legal actions, including arbitrations, class actions and other litigation, arising in connection with the Company's activities as a provider of diagnostic testing, information and services. These legal actions may include lawsuits alleging negligence or other similar legal claims. These actions could involve claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages, and could have an adverse impact on the Company's client base and reputation.

The Company is also involved, from time to time, in other reviews, investigations and proceedings by governmental agencies regarding the Company's business, including, among other matters, operational matters, which may result in adverse judgments, settlements, fines, penalties, injunctions or other relief. The number of these reviews, investigations and proceedings has increased in recent years with regard to many firms in the healthcare services industry, including the Company.

In 2010, a purported class action entitled In re Celera Corp. Securities Litigation was filed in the United States District Court for the Northern District of California against Celera Corporation and certain of its directors and current and former officers. An amended complaint filed in October 2010 alleges that from April 2008 through July 22, 2009, the defendants made false and misleading statements regarding Celera's business and financial results with an intent to defraud investors. The complaint was further amended in 2011 to add allegations regarding a financial restatement. The amended complaint seeks unspecified damages on behalf of an alleged class of purchasers of Celera's stock during the period in which the alleged misrepresentations were made. The Company's motion to dismiss the complaint was denied. Celera and the director and officer defendants have reached a tentative agreement in principle to settle this action, which is subject to satisfactory documentation of the agreement and court approval. The settlement is expected to be fully covered by insurance.

In August 2011, the Company received a subpoena from the U.S. Attorney for the Northern District of Georgia seeking various business records, including records related to the Company's compliance program, certain marketing materials, certain product offerings, and test ordering and other policies. The Company is cooperating with the request.

In September 2009, the Company received a subpoena from the Michigan Attorney General's Office seeking documents relating to the Company's pricing and billing practices as they relate to Michigan's Medicaid program. The Company cooperated with the requests. In January 2012, the State of Michigan intervened as a plaintiff in a civil lawsuit, Michigan ex rel. Hunter Laboratories LLC v. Quest Diagnostics Incorporated, et al., filed in Michigan Superior Court. The suit, originally filed by a competitor laboratory, alleges that the Company overcharged Michigan's Medicaid program. The Company's motion to dismiss the complaint was denied.

In June 2010, the Company received a subpoena from the Florida Attorney General's Office seeking documents relating to the Company's pricing and billing practices as they relate to Florida’s Medicaid program. The Company cooperated with the requests. In November 2013, the State of Florida intervened as a plaintiff in a civil lawsuit, Florida ex rel. Hunter Laboratories LLC v. Quest Diagnostics Incorporated, et al., filed in Florida Circuit Court. The suit, originally filed by a competitor laboratory, alleges that the Company overcharged Florida’s Medicaid program. Hunter Laboratories LLC filed similar lawsuits in Georgia, Massachusetts, Nevada and Virginia; in each of those lawsuits, the state attorney general’s office has not intervened. The parties have settled the Massachusetts, Nevada and Georgia lawsuits and reached an agreement in principle to settle the Virginia lawsuit.

24

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

In July 2013, Biotechnology Value Fund, L.P. and others filed a lawsuit in the United States District Court for the Northern District of California against the Company, Celera, former directors of Celera and Credit Suisse Securities (USA) LLC (“Credit Suisse”) alleging, among other things, federal securities laws violations and breach of fiduciary duty claims against Celera, its directors and Credit Suisse. Following motions by the parties, the plaintiffs filed an amended complaint.

In October 2013, the Company commenced a lawsuit in the U.S. District Court for the Central District of California seeking a declaration that the Company’s BRCA1 and 2 tests do not infringe several patents of Myriad Genetics, Inc., or that the patents are invalid. Later that month, Myriad and its partners commenced a lawsuit in the U.S. District Court for the Central District of Utah against the Company alleging that the Company’s BRCA 1 and 2 tests infringed Myriad’s patents. Myriad moved to dismiss the Company’s lawsuit and to transfer all cases involving its BRCA 1 and 2 patents to the federal court in Utah. The Company moved to dismiss Myriad’s lawsuit. The Multidistrict Panel for Litigation consolidated for pre-trial proceedings in the U.S. District Court for the Central District of Utah all the litigation between the Company and Myriad regarding BRCA, and the parties withdrew their motions to dismiss without prejudice.

Berkeley HeartLab, Inc. (“BHL”), a Company subsidiary, received a subpoena from the Department of Health and Human Services regarding certain alleged business practices of BHL. In addition, the Company and BHL received civil investigative demands requesting responses to interrogatories. BHL and the Company are cooperating with the investigation.

The federal or state governments may bring claims based on the Company's current practices, which it believes are lawful. In addition, certain federal and state statutes, including the qui tam provisions of the federal False Claims Act, allow private individuals to bring lawsuits against healthcare companies on behalf of government or private payers. The Company is aware of certain pending individual or class action lawsuits, and has received several subpoenas, related to billing practices filed under the qui tam provisions of the Civil False Claims Act and/or other federal and state statutes, regulations or other laws. The Company understands that there may be other pending qui tam claims brought by former employees or other "whistle blowers" as to which the Company cannot determine the extent of any potential liability.

Management cannot predict the outcome of such matters. Although management does not anticipate that the ultimate outcome of such matters will have a material adverse effect on the Company's financial condition, given the high degree of judgment involved in establishing loss estimates related to these types of matters, the outcome of such matters may be material to the Company's results of operations or cash flows in the period in which the impact of such matters is determined or paid.

These matters are in different stages. Some of these matters are in their early stages. Matters may involve responding to and cooperating with various government investigations and related subpoenas. As of June 30, 2014, the Company believes that there are no losses related to the Legal Matters described above that are probable, or, if a loss is probable, it cannot be reasonably estimated. While the Company believes that a reasonable possibility exists that losses may have been incurred related to the Legal Matters described above, based on the nature and status of these matters, potential losses, if any, cannot be estimated.

Reserves for Legal Matters

Reserves for legal matters, other than those described above in "Legal Matters", totaled less than $6 million at both June 30, 2014 and December 31, 2013.

25

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

Reserves for General and Professional Liability Claims

As a general matter, providers of clinical testing services may be subject to lawsuits alleging negligence or other similar legal claims. These suits could involve claims for substantial damages. Any professional liability litigation could also have an adverse impact on the Company's client base and reputation. The Company maintains various liability insurance coverages for, among other things, claims that could result from providing, or failing to provide, clinical testing services, including inaccurate testing results, and other exposures. The Company's insurance coverage limits its maximum exposure on individual claims; however, the Company is essentially self-insured for a significant portion of these claims. Reserves for such matters, including those associated with both asserted and incurred but not reported claims, are established by considering actuarially determined losses based upon the Company's historical and projected loss experience. Such reserves totaled approximately $121 million as of both June 30, 2014 and December 31, 2013. Management believes that established reserves and present insurance coverage are sufficient to cover currently estimated exposures. Management cannot predict the outcome of any claims made against the Company. Although management does not anticipate that the ultimate outcome of any such proceedings or claims will have a material adverse effect on the Company's financial condition, given the high degree of judgment involved in establishing accruals for loss estimates related to these types of matters, the outcome may be material to the Company's results of operations or cash flows in the period in which the impact of such claims is determined or paid.

13.    DISCONTINUED OPERATIONS

Results of operations for OralDNA, HemoCue and NID have been reported as discontinued operations for the three and six months ended June 30, 2014 and 2013.

Discontinued operations, net of taxes, for the three and six months ended June 30, 2013 includes a gain of $13 million (including foreign currency translation adjustments, partially offset by income tax expense and transaction costs) associated with the sale of HemoCue. In addition, income from discontinued operations, net of taxes for the six months ended June 30, 2013, includes discrete tax benefits of $20 million associated with favorable resolution of certain tax contingencies related to the Company's NID business.

Summarized financial information for the discontinued operations is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2014		2013			2014		2013
Net revenues	$	—	$	3		$	—	$	28
Income from discontinued operations before taxes	—		21			—		22
Income tax (expense) benefit	—		(8		)	—		11
Income from discontinued operations, net of taxes	$	—	$	13		$	—	$	33

The remaining balance sheet information related to HemoCue, OralDNA and NID was not material at June 30, 2014 and December 31, 2013.

14.    BUSINESS SEGMENT INFORMATION

The clinical testing that the Company performs is an essential element in the delivery of healthcare services. Physicians use clinical testing to assist in detection, diagnosis, evaluation, monitoring and treatment of diseases and other medical conditions.

The Company's DIS business provides insights through clinical testing and related services that empower and enable patients, physicians, hospitals, integrated delivery networks, health plans, employers and others to make better healthcare decisions. The Company provides clinical testing, including routine testing, gene-based and esoteric testing, anatomic pathology services and drugs-of-abuse testing, as well as related services and insights. Customers of the DIS business include patients, physicians, hospitals, employers, governmental institutions and other commercial clinical laboratories. The DIS business accounted for greater than 90% of net revenues from continuing operations in 2014 and 2013.

26

QUEST DIAGNOSTICS INCORPORATED AND SUBSIDIARIES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS – CONTINUED

(unaudited)

(dollars in millions unless otherwise indicated)

All other operating segments are included in the Company's DS business and consist of its risk assessment services, clinical trials testing, diagnostic products and healthcare information technology businesses. The Company's DS business offers a variety of solutions for life insurers, healthcare providers and others. The Company provides risk assessment services for the life insurance industry and the Company also provides testing for clinical trials. In addition, the Company offers healthcare organizations and clinicians robust information technology solutions, and diagnostic products, including test kits.

During the first quarter of 2014, the Company acquired Solstas. During the second quarter of 2014, the Company acquired Summit Health and Steward. Solstas, Summit Health and Steward are included in the Company's DIS business. See Note 5 for further details regarding business acquisitions.

On April 19, 2006, the Company decided to discontinue NID’s operations. The Company completed the sale of OralDNA in the fourth quarter of 2012 and completed the sale of HemoCue in the second quarter of 2013. The results of operations for NID, OralDNA and HemoCue have been classified as discontinued operations for all periods presented. See Note 13 for further details regarding discontinued operations.

At June 30, 2014, substantially all of the Company’s services are provided within the United States, and substantially all of the Company’s assets are located within the United States.

The following table is a summary of segment information for the three and six months ended June 30, 2014 and 2013. Segment asset information is not presented since it is not used by the chief operating decision maker at the operating segment level. Operating earnings (loss) of each segment represents net revenues less directly identifiable expenses to arrive at operating income for the segment. General corporate activities included in the table below are comprised of general management and administrative corporate expenses, amortization of intangibles assets and other miscellaneous operating income and expenses, net of certain general corporate activity costs that are allocated to the DIS and DS businesses. The accounting policies of the segments are the same as those of the Company as set forth in Note 2 to the consolidated financial statements contained in the Company’s 2013 Annual Report on Form 10-K and Note 2 to the interim unaudited consolidated financial statements.

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Net revenues:
DIS business	$	1,763		$	1,674		$	3,377		$	3,323
All other operating segments	139			141			271			279
Total net revenues	$	1,902		$	1,815		$	3,648		$	3,602
Operating earnings (loss):
DIS business	$	293		$	323		$	524		$	593
All other operating segments	22			17			40			31
General corporate activities	(53		)	(51		)	(94		)	(108		)
Total operating income	262			289			470			516
Non-operating expenses, net	(33		)	(33		)	(65		)	(63		)
Income from continuing operations before taxes	229			256			405			453
Income tax expense	87			95			152			168
Income from continuing operations	142			161			253			285
Income from discontinued operations, net of taxes	—			13			—			33
Net income	142			174			253			318
Less: Net income attributable to noncontrolling interests	9			9			16			17
Net income attributable to Quest Diagnostics	$	133		$	165		$	237		$	301

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Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Our Company

Quest Diagnostics is the world's leading provider of diagnostic information services ("DIS"), providing insights that empower and enable patients, physicians, hospitals, integrated delivery networks, health plans, employers and others to make better healthcare decisions. Over 90% of our revenues are derived from DIS with the balance derived from risk assessment services, clinical trials testing, diagnostic products and healthcare information technology. Our business segment information is disclosed in Note 14 to the interim unaudited consolidated financial statements.

Second Quarter Highlights

Our total net revenues of $1.9 billion were 4.8% above the prior year period. DIS revenues of $1.8 billion were 5.3% above the prior year period. DIS volume, measured by the number of requisitions, increased 7.7% compared to the prior year period. Our recent acquisitions added approximately 7% to DIS revenue growth and approximately 8.5% to DIS volume compared to the prior year period. Excluding the impact of acquisitions, DIS volume was lower by approximately 1% compared to the prior year period which was driven by our decision in the quarter to not renew certain business due to strategic reasons. Diagnostic Solutions ("DS") revenues were $139 million, and 1.1% below the prior year period. The decline in our DS revenues is primarily due to the divestiture of Enterix in the prior year. Excluding the impact of this divestiture, our DS revenues would have improved by approximately 1%. Income from continuing operations attributable to Quest Diagnostics' stockholders was $133 million for the three months ended June 30, 2014. Earnings per diluted share from continuing operations was $0.92 for the three months ended June 30, 2014.

Five-point Strategy

We continued making progress on the execution of our five-point strategy during the second quarter of 2014.

• We completed the acquisition of Summit Health, Inc. ("Summit Health") and the outreach laboratory service operations of Steward Health Care Systems, LLC ("Steward").

• We repurchased $25 million of our common stock as part of our Common Stock repurchase program.

• We partnered with Memorial Sloan Kettering to use molecular testing and next generation sequencing to improve physicians' ability to treat patients with a variety of solid tumor cancers.

• We partnered with Sequenom to offer national access to its non-invasive prenatal test.

Invigorate Program

We are engaged in a multi-year program called Invigorate which is expected to deliver $700 million in run rate savings versus 2011 by the time we exit 2014. We expect to deliver approximately $200 million in realized savings in 2014. We continue to seek additional opportunities to increase the savings from Invigorate to greater than $1 billion over time. The Invigorate program is intended to partially offset continued reimbursement pressures and labor and benefit cost increases; free up additional resources to invest in science, innovation and other growth initiatives; and enable us to improve service quality and operating profitability.

In connection with our Invigorate program, we have launched multiple management restructuring initiatives aimed at driving operational excellence and restoring growth. These restructuring initiatives were primarily undertaken to eliminate

multiple layers from the organization, migrate certain aspects of our support functions to an outsourcing model and optimize

the use of our facilities and infrastructure. As of June 30, 2014, we have recorded approximately $153 million of pre-tax

employee separation costs and other restructuring related costs associated with these initiatives.    

Our estimate of pre-tax charges, expected to be incurred in the second half of 2014 in connection with the Invigorate program, is between $40 million and $55 million. These pre-tax charges consist of employee separation costs, systems conversion and integration costs and facility-related charges. Through June 30, 2014, the cumulative charge recorded in connection with the Invigorate program is approximately $218 million.

For additional information on the Invigorate program and associated costs, see Note 4 to the interim unaudited consolidated financial statements.

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Recent Acquisitions

Acquisition of Solstas Lab Partners Group

On March 7, 2014, we completed the acquisition of Solstas in an all-cash transaction valued at $572 million, or $563 million net of cash acquired. Solstas is a full-service commercial laboratory based in Greensboro, North Carolina and operates in nine states throughout the Southeastern United States, including the Carolinas, Virginia, Tennessee, Georgia and Alabama.

Acquisition of Summit Health

On April 18, 2014 we completed the acquisition of Summit Health, a leading provider of on-site prevention and wellness programs for $151 million. The purchase price consisted of cash consideration of $124 million (which includes $9 million of working capital adjustments), or $123 million net of cash acquired, estimated contingent consideration of $22 million, and $5 million associated with certain transaction related costs due to the sellers of Summit Health.

Acquisition of Steward Health Care Systems, LLC

On April 16, 2014, we completed the acquisition of the outreach laboratory service operations of Steward Health Care Systems, LLC for $34 million, which consisted of cash consideration of $30 million and contingent consideration of $4 million.

See Note 5 to the interim unaudited consolidated financial statements for additional information associated with our recent acquisitions.

Critical Accounting Policies

There have been no significant changes to our critical accounting policies from those disclosed in our 2013 Annual Report on Form 10-K.

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Results of Operations

The following table sets forth certain results of operations data for the periods presented:    

	Three Months Ended June 30,											Six Months Ended June 30,
	2014			2013			Increase (Decrease)			% Increase (Decrease)		2014			2013			Increase (Decrease)			% Increase (Decrease)
	(dollars in millions, except per share amounts)
Net revenues:
DIS business	$	1,763		$	1,674		$	89		5.3	%	$	3,377		$	3,323		$	54		1.6	%
DS businesses	139			141			(2		)	(1.1	)	271			279			(8		)	(2.7	)
Total net revenues	$	1,902		$	1,815		$	87		4.8	%	$	3,648		$	3,602		$	46		1.3	%
Operating costs and expenses:
Cost of services	$	1,174		$	1,094		$	80		7.3	%	$	2,275		$	2,186		$	89		4.1	%
Selling, general and administrative	440			418			22			5.2		855			866			(11		)	(1.3	)
Amortization of intangible assets	25			20			5			26.7		47			39			8			20.2
Other operating expense (income), net	1			(6		)	7			NM		1			(5		)	6			NM
Total operating costs and expenses	$	1,640		$	1,526		$	114		7.4	%	$	3,178		$	3,086		$	92		3.0	%
Operating income	$	262		$	289		$	(27	)	(9.2	)%	$	470		$	516		$	(46	)	(8.9	)%
Other income (expense):
Interest expense, net	$	(42	)	$	(40	)	$	(2	)	4.1	%	$	(81	)	$	(80	)	$	(1	)	1.0	%
Equity in earnings of equity method investees	6			7			(1		)	(7.5	)	12			13			(1		)	(7.1	)
Other income, net	3			—			3			NM		4			4			—			NM
Total non-operating expenses, net	$	(33	)	$	(33	)	$	—		(0.7	)%	$	(65	)	$	(63	)	$	(2	)	2.1	%
Income tax expense	$	87		$	95		$	(8	)	(7.6	)%	$	152		$	168		$	(16	)	(9.4	)%
Effective income tax rate	37.9		%	36.9		%	1.0		%	NM		37.5		%	37.1		%	0.4		%	NM
Income from discontinued operations, net of taxes	$	—		$	13		$	(13	)	NM		$	—		$	33		$	(33	)	NM
Income from continuing operations attributable to Quest Diagnostics' stockholders	$	133		$	152		$	(19	)	(12.4	)%	$	237		$	268		$	(31	)	(11.5	)%
Diluted earnings per common share from continuing operations attributable to Quest Diagnostics’ common stockholders	$	0.92		$	0.99		$	(0.07	)	(7.1	)%	$	1.63		$	1.71		$	(0.08	)	(4.7	)%

NM - Not Meaningful

30

The following table sets forth certain results of continuing operations data as a percentage of net revenues for the periods presented:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Net revenues:
DIS business	92.7	%	92.3	%	92.6	%	92.3	%
DS businesses	7.3		7.7		7.4		7.7
Total net revenues	100.0	%	100.0	%	100.0	%	100.0	%
Operating costs and expenses:
Cost of services	61.7	%	60.2	%	62.4	%	60.7	%
Selling, general and administrative	23.1		23.1		23.4		24.1
Amortization of intangible assets	1.3		1.1		1.3		1.1
Other operating expense, net	0.1		(0.3	)	—		(0.2	)
Total operating costs and expenses	86.2	%	84.1	%	87.1	%	85.7	%
Operating income	13.8	%	15.9	%	12.9	%	14.3	%

Continuing Operations

Results for the three months ended June 30, 2014 were affected by certain items that negatively impacted diluted earnings per share by $0.16. During the three months ended June 30, 2014, we recorded pre-tax charges of $27 million, or $0.13 per diluted share, related to restructuring costs primarily associated with workforce reductions, integration costs and professional fees associated with the further restructuring of our business (including $5 million of pre-tax integration and transaction costs associated with acquisitions). In addition, we recorded a pre-tax charge of $7 million, or $0.03 per diluted share, principally associated with the settlement of legal matters.

Results for the six months ended June 30, 2014 were affected by certain items that negatively impacted diluted earnings per share by $0.29. During the six months ended June 30, 2014, we recorded pre-tax charges of $51 million, or $0.24 per diluted share, related to restructuring costs primarily associated with workforce reductions, integration costs and professional fees associated with the further restructuring of our business (including $11 million of pre-tax integration and transaction costs associated with acquisitions). In addition, we recorded pre-tax charges of $11 million, or $0.05 per diluted share, principally associated with the settlement of legal matters.

Results for the three months ended June 30, 2013 included $19 million of pre-tax charges, or $0.07 per diluted share, related to restructuring and integration costs primarily associated with workforce reductions and professional fees associated with further restructuring and integrating our business.

Results for the six months ended June 30, 2013 included $63 million of pre-tax charges, or $0.24 per diluted share, related to restructuring and integration costs primarily associated with workforce reductions and professional fees associated with further restructuring and integrating our business.

Net Revenues

Net revenues for the three months ended June 30, 2014 were 4.8% above the prior year level.

DIS revenue, which accounted for over 90% of our consolidated net revenues, increased by 5.3% for the three months ended June 30, 2014 compared to the prior year period. Our recent acquisitions added approximately 7% to DIS revenue growth.

DIS volume, measured by the number of requisitions, increased 7.7% for the three months ended June 30, 2014 compared to the prior year period. Our recent acquisitions contributed approximately 8.5% to DIS volume in the quarter. After considering the impact of our recent acquisitions, underlying DIS volume was lower by less than 1%, as compared to the prior

31

year period which was driven by our decision in the quarter to not renew certain business due to strategic reasons. Our underlying DIS volume has improved sequentially as compared to the first quarter of 2014.

Revenue per requisition for the three months ended June 30, 2014 decreased 2.3% from the prior year level. The impact of our recent acquisitions reduced revenue per requisition by approximately 1% in the quarter with the remainder of the decrease due to reimbursement pressure and mix of our business.

For the three months ended June 30, 2014, combined revenues in our DS businesses decreased by approximately 1.1%, compared to the prior year period. The decline in our DS revenues is primarily due to the divestiture of Enterix in the prior year. Excluding the impact of this divestiture, our DS revenues would have improved by approximately 1%.

Net revenues for the six months ended June 30, 2014 were 1.3% above the prior year level.

DIS revenue, which accounted for over 90% of our consolidated net revenues, increased by 1.6% for the six months ended June 30, 2014 compared to the prior year period. Our recent acquisitions added approximately 5% to DIS revenue growth.

DIS volume, measured by the number of requisitions, increased 4.3% for the six months ended June 30, 2014 compared to the prior year period. Our recent acquisitions contributed approximately 6% to DIS volume in the period.

Revenue per requisition for the six months ended June 30, 2014 decreased 2.5% from the prior year level. The impact of our recent acquisitions reduced revenue per requisition by approximately 1% during the period with the remainder of the decrease due to reimbursement pressure and mix of our business.

For the six months ended June 30, 2014, combined revenues in our DS businesses decreased by approximately 2.7%, compared to the prior year period. The decline in our DS revenues is primarily due to the divestiture of Enterix in the prior year. Excluding the impact of this divestiture, our DS revenues would have decreased by less than 1%, which was was due to lower revenues in our products and clinical trials businesses.

Cost of Services

Cost of services consists principally of costs for obtaining, transporting and testing specimens as well as facility costs used for the delivery of our services.

Cost of services increased $80 million for the three months ended June 30, 2014 as compared to the prior year period. This increase was primarily driven by additional operating costs associated with our recent acquisitions, partially offset by lower overall compensation and benefit costs resulting from reduced headcount under the Invigorate program. In addition, cost of services includes a $13 million increase in the current period, that is principally due to the allocation of certain facility costs between cost of services and selling, general and administrative expenses for those facilities that support both service delivery and administrative functions, in order to reflect our current operations.

The impact of the additional operating costs associated with our recent acquisitions and the change in allocation of facility costs are the primary factors for the increase in cost of services as a percentage of net revenues in 2014 compared to the prior year period.

Cost of services increased $89 million for the six months ended June 30, 2014 as compared to the prior year period. This increase was primarily driven by additional operating costs associated with our recent acquisitions and higher performance based compensation costs. These increases were partially offset by lower overall compensation and benefit costs resulting from reduced headcount under the Invigorate program and lower restructuring and integration costs in 2014 as compared to the prior year period. In addition, cost of services includes a $25 million increase in the current period, that is principally due to the allocation of certain facility costs between cost of services and selling, general and administrative expenses for those facilities that support both service delivery and administrative functions, in order to reflect our current operations.

The impact of the additional operating costs associated with our recent acquisitions and the change in allocation of facility costs are the primary factors for the increase in cost of services as a percentage of net revenues in 2014 compared to the prior year period.

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Selling, General and Administrative Expenses ("SG&A")

SG&A consist principally of the costs associated with our sales and marketing efforts, billing operations, bad debt expense and general management and administrative support as well as administrative facility costs.

SG&A increased $22 million for the three months ended June 30, 2014 as compared to the prior year period. The increase in SG&A is due to the additional operating costs associated with our recent acquisitions, higher performance based compensation costs and legal settlement costs. This increase was partially offset by a $13 million reduction to SG&A, that is principally due to the allocation of certain facility costs between cost of services and SG&A for those facilities that support both service delivery and administrative functions, in order to reflect our current operations. Additionally, lower overall compensation and benefit costs resulting from reduced headcount under the Invigorate program, partially offset this increase in SG&A.

SG&A decreased $11 million for the six months ended June 30, 2014 as compared to the prior year period. This decrease is due to lower overall compensation and benefit costs resulting from reduced headcount under the Invigorate program and lower restructuring and integration related costs in 2014 as compared to the prior year period. In addition, the decrease in SG&A also benefited from $25 million, that is principally due to the allocation of certain facility costs between cost of services and SG&A for those facilities that support both service delivery and administrative functions, in order to reflect our current operations. This decrease was partially offset by the additional operating costs associated with our recent acquisitions, higher performance based compensation costs and legal settlement costs.

Our bad debt expense as a percentage of revenues increased approximately 20 basis points, as compared to both prior year periods, to 3.9% for the three months ended June 30, 2014 and to 4.1% for the six months ended June 30, 2014.

Amortization of Intangible Assets

The increase in amortization of intangible assets for the three and six months ended June 30, 2014, compared to the prior year period, primarily reflects the impact from amortization of intangible assets acquired as part of our recent acquisitions.

Other Operating Expense (Income), net

Other operating expense (income), net includes miscellaneous income and expense items related to operating activities. For both the three and six months ended June 30, 2013, other operating expense (income), net includes a gain of $6 million resulting from consideration received associated with certain non-compete agreements.

Operating Income

Operating income as a percentage of net revenues decreased to 13.8% in the three months ended June 30, 2014, as compared to 15.9% in the prior year period. For the six months ended June 30, 2014, operating income as a percentage of net revenues decreased to 12.9% , as compared to 14.3% in the prior year period. The decrease in operating income as a percentage of net revenues for both periods was primarily driven by reimbursement pressure, additional operating costs associated with our recent acquisitions, higher performance based compensation costs and legal settlement costs. This decrease was partially offset by lower overall compensation and benefit costs resulting from reduced headcount under the Invigorate program and lower restructuring and integration related costs in the six months ended June 30, 2014 as compared to the prior year period. Due to the timing of our recent acquisitions, we have not fully realized the anticipated synergies associated with these acquisitions, which has impacted our operating income as a percentage of net revenues for the three and six months ended June 30, 2014.

Interest Expense, net

Interest expense, net for the three and six months ended June 30, 2014 increased $2 million and $1 million, respectively, compared to prior year periods, primarily as a result of higher outstanding debt balances in 2014.

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Other Income, net

Other income, net represents miscellaneous income and expense items related to non-operating activities, such as gains and losses associated with investments and other non-operating assets. For the three months ended June 30, 2014, other income, net includes a gain of $2 million, associated with investments held in trusts pursuant to our supplemental deferred compensation plans. Other income, net for both the six months ended June 30, 2014 and 2013, includes gains of $4 million, associated with investments held in trusts pursuant to our supplemental deferred compensation plans.

Income Tax Expense

The increase in the effective income tax rate for the three and six months ended June 30, 2014, compared to the prior year period is due in part to the relative levels of domestic and foreign pre-tax income in each of the respective periods. Furthermore, there were higher tax credits realized in the effective income tax rate for the three and six months ended June 30, 2013.

Discontinued Operations

Discontinued operations includes HemoCue, which was sold in April 2013, OralDNA and NID. The results of operations of HemoCue, OralDNA and NID have been classified as discontinued operations for all periods presented. See Note 13 to the interim unaudited consolidated financial statements for further details. Discontinued operations, net of taxes, for the three and six months ended June 30, 2013 includes a gain of $13 million (including foreign currency translation adjustments, partially offset by income tax expense and transaction costs) associated with the sale of HemoCue. In addition, income from discontinued operations, net of taxes for the six months ended June 30, 2013, includes discrete tax benefits of $20 million associated with favorable resolution of certain tax contingencies related to our NID business.

The following table summarizes our income from discontinued operations, net of taxes:

	Three Months Ended June 30,								Six Months Ended June 30,
						Increase (Decrease)							Increase (Decrease)
	2014		2013						2014		2013
	(dollars in millions)
Net revenues	$	—	$	3		$	(3	)	$	—	$	28	$	(28	)
Income from discontinued operations before taxes	—		21			(21		)	—		22		(22		)
Income tax (expense) benefit	—		(8		)	8			—		11		(11		)
Income from discontinued operations, net of taxes	$	—	$	13		$	(13	)	$	—	$	33	$	(33	)

Quantitative and Qualitative Disclosures About Market Risk

We address our exposure to market risks, principally the market risk of changes in interest rates, through a controlled program of risk management that includes the use of derivative financial instruments. We do not hold or issue derivative financial instruments for speculative purposes. We believe that our exposures to foreign exchange impacts and changes in commodity prices are not material to our consolidated financial condition or results of operations. See Note 9 to the interim unaudited consolidated financial statements for additional discussion of our financial instruments and hedging activities.

At June 30, 2014 and December 31, 2013, the fair value of our debt was estimated at approximately $4.3 billion and $3.5 billion, respectively, using quoted prices in active markets and yields for the same or similar types of borrowings, taking into account the underlying terms of the debt instruments. At June 30, 2014 and December 31, 2013, the estimated fair value exceeded the carrying value of the debt by $342 million and $184 million, respectively. A hypothetical 10% increase in interest rates (representing 43 basis points at June 30, 2014 and 47 basis points at December 31, 2013) would potentially reduce the estimated fair value of our debt by approximately $114 million and $107 million at June 30, 2014 and December 31, 2013, respectively.

Borrowings under our senior unsecured revolving credit facility and our secured receivables credit facility are subject to variable interest rates. Interest on our secured receivables credit facility is based on rates that are intended to approximate

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commercial paper rates for highly-rated issuers. Interest on our senior unsecured revolving credit facility is subject to a pricing schedule that can fluctuate based on changes in our credit ratings. As such, our borrowing cost under this credit arrangement will be subject to both fluctuations in interest rates and changes in our credit ratings. At June 30, 2014, the borrowing rates under these debt instruments were: for our senior unsecured revolving credit facility, LIBOR plus 1.125%; and for our secured receivables credit facility, 0.85%. As of June 30, 2014, $195 million was outstanding under our $525 million secured receivables credit facility and is recorded in short-term borrowings on our consolidated balance sheet. There were no borrowings outstanding under our $750 million senior unsecured revolving credit facility as of June 30, 2014.

We seek to mitigate the variability in cash outflows that result from changes in interest rates by maintaining a balanced mix of fixed-rate and variable-rate debt obligations. In order to maintain a balanced portfolio of fixed and variable rates, we have entered into interest rate swaps. Interest rate swaps involve the periodic exchange of payments without the exchange of underlying principal or notional amounts. Net settlements are recognized as an adjustment to interest expense.

In July 2012, we entered into fixed-to-variable interest rate swap agreements on a portion of the Senior Notes due 2016 and Senior Notes due 2020. These interest rate swap agreements have an aggregate notional amount of $550 million and variable interest rates based on six-month LIBOR plus 2.3% and one-month LIBOR plus 3.6%, and are accounted for as fair value hedges of a portion of the Senior Notes due 2016 and a portion of the Senior Notes due 2020. During the fourth quarter of 2012, we entered into additional fixed-to-variable interest rate swap agreements with an aggregate notional amount of $400 million and variable interest rates based on one-month LIBOR plus a spread ranging from 3.4% and 5.1%. These derivative financial instruments are accounted for as fair value hedges of a portion of the Senior Notes due 2015 and a portion of the Senior Notes due 2021. In November 2013, we terminated the interest rate swaps associated with the Senior Notes due 2015. The asset value of these interest rate swaps through termination was not material. Concurrent with the termination of the interest rate swaps associated with the Senior Notes due 2015, we entered into additional fixed-to-variable interest rate swap agreements with an aggregate notional amount of $200 million and variable interest rates based on one-month LIBOR plus a spread ranging from 2.45% to 2.46%. These derivative financial instruments are accounted for as fair value hedges of a portion of the Senior Notes due 2021. In March 2014, we entered into various fixed-to-variable interest rate swap agreements which have a notional amount of $250 million and variable interest rates based on one-month LIBOR plus a spread ranging from 1.54% to 1.59%. These derivative financial instruments are accounted for as fair value hedges on a portion of the Senior Notes due 2024. Based on our net exposure to interest rate changes, a hypothetical 10% change in interest rates on our variable rate indebtedness (representing 2 basis points) would not impact annual interest expense materially, assuming no changes to the debt outstanding at June 30, 2014.

The aggregate fair value of the fixed-to-variable interest rate swaps associated with the Senior Notes due 2020 and those associated with a portion of the Senior Notes due 2021 was a liability of $18 million at June 30, 2014. The aggregate fair value of the fixed-to-variable interest rate swaps associated with the Senior Notes due 2016, the Senior Notes due 2024, and those associated with an additional portion of the Senior Notes due 2021 was an asset of $8 million at June 30, 2014.

During the fourth quarter of 2013 and the first quarter of 2014, we entered into various forward starting interest rate swap agreements with an aggregate notional amount of $150 million and fixed interest rates ranging from 3.570% to 3.788%. The forward interest rate swap agreements are 21 to 24 month forward agreements covering a ten-year hedging period and were entered into to hedge part of our interest rate exposure associated with forecasted debt issuances related to the refinancing of certain debt maturing in 2015 and 2016. The aggregate fair value of the forward starting interest rate swaps was a liability of $8 million at June 30, 2014.

A hypothetical 10% change in interest rates (representing 20 basis points) would potentially change the fair value of our derivative liabilities by $2 million and our derivative assets by $7 million.

For further details regarding our outstanding debt, see Note 8 to the interim unaudited consolidated financial statements and Note 13 to the consolidated financial statements included in our 2013 Annual Report on Form 10-K for the year ended December 31, 2013. For details regarding our financial instruments, see Note 9 to the interim unaudited consolidated financial statements.

Risk Associated with Investment Portfolio

Our investment portfolio includes equity investments comprised primarily of strategic equity holdings in privately held companies. The carrying value of our equity investments was $19 million at June 30, 2014.

We regularly evaluate the fair value measurements of our equity investments to determine if losses in value are other than temporary and if an impairment loss has been incurred. The evaluation considers whether the security has the ability to

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recover and, if so, the estimated recovery period. Other factors that are considered in this evaluation include the amount of the other-than-temporary decline and its duration, the issuer’s financial condition and short-term prospects, and whether the market decline was caused by overall economic conditions or conditions specific to the individual security.

We do not hedge our equity price risk. The impact of an adverse movement in equity prices on our holdings in privately held companies cannot be easily quantified, as our ability to realize returns on investments depends on, among other things, the enterprises’ ability to raise additional capital or derive cash inflows from continuing operations or through liquidity events such as initial public offerings, mergers or private sales.

Liquidity and Capital Resources

	Six Months Ended June 30,
	2014			2013
	(dollars in millions)
Net cash provided by operating activities	$	364		$	255
Net cash used in investing activities	(841		)	(19		)
Net cash provided by (used in) financing activities	434			(401		)
Net change in cash and cash equivalents	$	(43	)	$	(165	)

Cash and Cash Equivalents

Cash and cash equivalents consist of cash and highly liquid short-term investments. Cash and cash equivalents at June 30, 2014 totaled $144 million, compared to $187 million at December 31, 2013. Cash and cash equivalents at June 30, 2013 totaled $148 million compared to $296 million at December 31, 2012.

Cash Flows from Operating Activities

Net cash provided by operating activities for the six months ended June 30, 2014 was $364 million compared to $255 million in the prior year period. The increase in cash flows from operating activities for the six months ended June 30, 2014, as compared to the prior year period, was primarily a result of $70 million of income tax payments which were deferred from the fourth quarter of 2012 into the first quarter of 2013 under a program offered to companies whose principal place of business was in states most affected by Hurricane Sandy as well as improved working capital through management of days sales outstanding and days payable outstanding. This increase was partially offset by reduced earnings for the six months ended June 30, 2014. Days sales outstanding, a measure of billing and collection efficiency, was 47 days at both June 30, 2014 and December 31, 2013 and 48 days at June 30, 2013.

Cash Flows from Investing Activities

Net cash used in investing activities for the six months ended June 30, 2014 was $841 million, consisting of $723 million for business acquisitions, primarily the Solstas and Summit Health acquisitions, and $117 million for capital expenditures.

Net cash used in investing activities for the six months ended June 30, 2013 was $19 million, consisting principally of $180 million for business acquisitions and $105 million for capital expenditures. This was offset by Hemocue sale proceeds of $266 million, which is net of $29 million of cash which was received in July 2013 as part of post closing adjustments.

Cash Flows from Financing Activities

Net cash provided by financing activities for the six months ended June 30, 2014 was $434 million, consisting primarily of a net increases in debt of $579 million and proceeds from the exercise of stock options and related tax benefits totaling $30 million, partially offset by dividend payments of $91 million, purchases of treasury stock of $57 million, $6 million of payments primarily related to debt issuance costs incurred in connection with our 2014 senior notes offering and the renewal of our senior unsecured revolving credit facility, and distributions to noncontrolling interests of $14 million. The net increases in debt consisted of $1.7 billion of borrowings and $1.2 billion of repayments.

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In the first quarter of 2014, $715 million and $200 million of cumulative borrowings under our secured receivables credit facility and our senior unsecured revolving credit facility, respectively, were used to fund the Solstas acquisition, the repayment of our $200 million floating rate senior notes due March 2014 and general operating requirements. In addition, we completed a $600 million senior notes offering in March 2014 (the “2014 Senior Notes”). During the first quarter of 2014, we used the net proceeds of $595 million from the 2014 Senior Notes offering, together with $125 million of cash on hand, to fund the repayment of $520 million outstanding under our secured receivables credit facility and the repayment of $200 million outstanding under our senior unsecured revolving credit facility. The 2014 Senior Notes are further described in Note 8 to the interim unaudited consolidated financial statements.

In the second quarter of 2014, the $225 million of borrowings and $236 million of repayments are primarily associated with our secured receivables credit facility. In April 2014, we amended and restated our $750 million senior unsecured revolving credit facility. The amended and restated senior unsecured revolving credit facility matures in April 2019. See Note 8 to the interim unaudited consolidated financial statements for further details.

Net cash used in financing activities for the six months ended June 30, 2013 was $401 million, consisting primarily of purchases of treasury stock of $512 million, dividend payments of $95 million, and distributions to noncontrolling interests of $13 million, partially offset by net increases in debt of $163 million and proceeds from the exercise of stock options and related tax benefits totaling $66 million. The net increases in debt consisted of $578 million of borrowings and $415 million of repayments.

The borrowings of $578 million and the repayment of $415 million are primarily associated with our secured receivables credit facility.

Dividends

During each of the first two quarters of 2014, our Board of Directors declared a quarterly cash dividend of $0.33 per common share. During each of the quarters of 2013, our Board of Directors declared a quarterly cash dividend of $0.30 per common share. We expect to fund future dividend payments with cash flows from operations and do not expect the dividend to have a material impact on our ability to finance future growth.

Share Repurchases

In August 2013, our Board of Directors authorized the repurchase of an additional $1 billion of our common stock, increasing the total available authorization at that time to $1.3 billion. The share repurchase authorization has no set expiration or termination date. At June 30, 2014, $771 million remained available under our share repurchase authorizations.

For the three months ended June 30, 2014, we repurchased 0.4 million shares of our common stock at an average price of $57.74 per share for $25 million. For the six months ended June 30, 2014, we repurchased 1.0 million shares of our common stock at an average price of $54.84 per share for $57 million.

On April 19, 2013, we entered into an accelerated share repurchase agreement ("ASR") with a financial institution to repurchase $450 million of our common stock as part of our Common Stock repurchase program. The ASR was structured as a combination of two transactions: (1) a treasury stock repurchase and (2) a forward contract which permitted us to purchase shares immediately with the final purchase price of those shares determined by the volume weighted average price of our common stock during the purchase period, less a fixed discount. For the three months ended June 30, 2013, we repurchased 7.2 million shares of our common stock under the ASR at a price of $55.92 per share for a total of $405 million, which represented approximately 90 percent of the total shares expected to be repurchased under the ASR. The forward contract settled the remaining shares upon the completion of the ASR in the third quarter of 2013. We recorded this transaction as an increase to treasury stock of $405 million, and recorded the remaining $45 million as a decrease to additional paid-in capital in the our consolidated balance sheet at June 30, 2013. The $45 million recorded in additional paid-in capital was reclassified to treasury stock upon completion of the ASR in the third quarter of 2013.

In addition to the ASR previously discussed, we repurchased shares of our common stock on the open market in 2013. For the six months ended June 30, 2013, we repurchased 1.1 million shares of our common stock at an average price of $57.81 per share for a total of $62 million.

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Contractual Obligations and Commitments

The following table summarizes certain of our contractual obligations as of June 30, 2014:

	Payments due by period
	(in millions)
Contractual Obligations	Total		Remainder of 2014		1-3 years		3-5 years		After 5 years
Outstanding debt	$	3,902	$	196	$	806	$	375	$	2,525
Capital lease obligations	43		8		24		10		1
Interest payments on outstanding debt	1,873		87		308		243		1,235
Operating leases	743		106		297		143		197
Purchase obligations	290		55		151		58		26
Merger consideration obligations	85		5		78		2		—
Total contractual obligations	$	6,936	$	457	$	1,664	$	831	$	3,984

Interest payments on our long-term debt have been calculated after giving effect to our interest rate swap agreements, using the interest rates as of June 30, 2014 applied to the June 30, 2014 balances, which are assumed to remain outstanding through their maturity dates.

A full description of the terms of our indebtedness and related debt service requirements and our future payments under certain of our contractual obligations is contained in Note 13 to the consolidated financial statements in our 2013 Annual Report on Form 10-K and Note 8 to the interim unaudited consolidated financial statements. A full discussion and analysis regarding our minimum rental commitments under noncancelable operating leases and noncancelable commitments to purchase product or services at December 31, 2013 is contained in Note 18 to the consolidated financial statements in our 2013 Annual Report on Form 10-K. Merger consideration obligation includes consideration owed, including any contingent consideration, on the UMass, Summit Health, and Steward acquisitions. See Note 5 to the interim unaudited consolidated financial statements for a discussion and analysis regarding our 2014 acquisitions. A full discussion and analysis regarding our acquisition of UMass and the related merger consideration obligations at December 31, 2013 is contained in Note 5 to the consolidated financial statements in our 2013 Annual Report on Form 10-K.

As of June 30, 2014, our total liabilities associated with unrecognized tax benefits were approximately $172 million, which were excluded from the table above. We believe it is reasonably possible that these liabilities may decrease by up to approximately $40 million within the next twelve months, primarily as a result of payments, the expiration of statutes of limitations, settlements and/or the conclusion of tax examinations on certain tax positions. For the remainder, we cannot make reasonably reliable estimates of the timing of the future payments of these liabilities. See Note 8 to the consolidated financial statements in our 2013 Annual Report on Form 10-K for information regarding our contingent tax liability reserves.

Our credit agreements contain various covenants and conditions, including the maintenance of certain financial ratios, that could impact our ability to, among other things, incur additional indebtedness. As of June 30, 2014, we were in compliance with the various financial covenants included in our credit agreements and we do not expect these covenants to adversely impact our ability to execute our growth strategy or conduct normal business operations.

Equity Method Investees

Our equity method investees consist of: (1) unconsolidated joint ventures in Phoenix, Arizona; Indianapolis, Indiana; and Dayton, Ohio; and (2) an investment in Enterix, an Australian company, which are accounted for under the equity method of accounting. We believe that our transactions with our equity method investees are conducted at arm’s length, reflecting current market conditions and pricing. Total net revenues of our equity method investees equal approximately 6% of our consolidated net revenues. Total assets of our equity method investees are less than 2% of our consolidated total assets. We have no material unconditional obligations or guarantees to, or in support of, our equity method investees and their operations.

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Requirements and Capital Resources

We estimate that we will invest approximately $300 million during 2014 for capital expenditures, to support and expand our existing operations, principally related to investments in information technology, laboratory equipment and facilities, including specific initiatives associated with our Invigorate program. We expect to fund the repayment of our short-term borrowings and the current portion of our long-term debt using cash on hand and existing credit facilities.  Additionally, we intend to repay a portion of the long-term debt that will mature in 2015 using cash on hand and refinance the balance.

As of June 30, 2014, $1.1 billion of borrowing capacity was available under our existing credit facilities, consisting of $330 million available under our secured receivables credit facility and $750 million available under our senior unsecured revolving credit facility.

We believe the banks participating in our various credit facilities are predominantly highly-rated banks, and that the borrowing capacity under the credit facilities described above is currently available to us. Should one or several banks no longer participate in either of our credit facilities, we would not expect it to impact our ability to fund operations. We expect that we will be able to replace our existing secured receivables credit facility with alternative arrangements prior to its expiration.

We believe that cash and cash equivalents on-hand and cash from operations, together with our borrowing capacity under our credit facilities, will provide sufficient financial flexibility to fund seasonal working capital requirements, capital expenditures, debt service requirements and other obligations, cash dividends on common shares, share repurchases and additional growth opportunities for the foreseeable future. We believe that our credit profile should provide us with access to additional financing, if necessary, to fund growth opportunities that cannot be funded from existing sources.

Recent Accounting Pronouncements Not Yet Effective

In April 2014, the FASB issued an accounting standard update ("ASU") related to the presentation and reporting of discontinued operations, including the disposals of components of an entity. In May 2014, the FASB issued an ASU on revenue recognition that provides a single comprehensive model to use in accounting for revenue arising from contracts with customers and it requires additional disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. The impact of each ASU is discussed in Note 2 to the interim unaudited consolidated financial statements.

Forward-Looking Statements

Some statements and disclosures in this document are forward-looking statements. Forward-looking statements include all statements that do not relate solely to historical or current facts and can be identified by the use of words such as “may,” “believe,” “will,” “expect,” “project,” “estimate,” “anticipate,” “plan” or “continue.” These forward-looking statements are based on our current plans and expectations and are subject to a number of risks and uncertainties that could cause our plans and expectations, including actual results, to differ materially from the forward-looking statements. Risks and uncertainties that may affect our future results include, but are not limited to, adverse results from pending or future government investigations, lawsuits or private actions, the competitive environment, changes in government regulations, changing relationships with customers, payers, suppliers and strategic partners and other factors discussed in “Business,” “Risk Factors,” “Cautionary Factors That May Affect Future Results,” “Legal Proceedings,” “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” and “Quantitative and Qualitative Disclosures About Market Risk” in our 2013 Annual Report on Form 10-K and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and “Quantitative and Qualitative Disclosures About Market Risk” in our 2014 Quarterly Reports on Form 10-Q and other items throughout the 2013 Form 10-K and our 2014 Quarterly Reports on Form 10-Q and Current Reports on Form 8-K.

Item 3.    Quantitative and Qualitative Disclosures About Market Risk

See Item 2. "Management's Discussion and Analysis of Financial Condition and Results of Operations."

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Item 4.    Controls and Procedures

Under the supervision and with the participation of our management, including our Chief Executive Officer and our Chief Financial Officer, we have evaluated the effectiveness of our disclosure controls and procedures (as defined under Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended). Based upon that evaluation, our Chief Executive Officer and our Chief Financial Officer concluded that our disclosure controls and procedures were effective as of the end of the period covered by this quarterly report.

During the second quarter of 2014, there were no changes in our internal control over financial reporting (as defined in Rule 13a-15(f) under the Securities Exchange Act of 1934, as amended) that materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II - OTHER INFORMATION

Item 1.    Legal Proceedings

See Note 12 to the interim unaudited consolidated financial statements for information regarding the status of legal proceedings involving the Company.

Item 2.    Unregistered Sales of Equity Securities and Use of Proceeds

The table below sets forth the information with respect to purchases made by or on behalf of the Company of its common stock during the second quarter of 2014.

ISSUER PURCHASES OF EQUITY SECURITIES
Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Approximate Dollar Value of Shares that May Yet Be Purchased Under the Plans or Programs (in thousands)
April 1, 2014 – April 30, 2014
Share Repurchase Program (A)	—	$	—	—	$	796,003
Employee Transactions (B)	3,870	$	60.01	N/A	N/A
May 1, 2014 – May 31, 2014
Share Repurchase Program (A)	316,265	$	56.91	316,265	$	778,005
Employee Transactions (B)	11,239	$	57.12	N/A	N/A
June 1, 2014 – June 30, 2014
Share Repurchase Program (A)	116,715	$	59.99	116,715	$	771,003
Employee Transactions (B)	466	$	59.54	N/A	N/A
Total
Share Repurchase Program (A)	432,980	$	57.74	432,980	$	771,003
Employee Transactions (B)	15,575	$	57.91	N/A	N/A

(A) In August 2013, our Board of Directors authorized the Company to repurchase an additional $1 billion of the Company’s common stock, increasing the total available authorization at that time to approximately $1.3 billion. The share repurchase authorization has no set expiration or termination date. Since the share repurchase program’s inception in May 2003, our Board of Directors has authorized $6.5 billion of share repurchases of our common stock through June 30, 2014.

(B) Includes: (1) shares delivered or attested to in satisfaction of the exercise price and/or tax withholding obligations by holders of stock options (granted under the Company’s Amended and Restated Employee Long-Term Incentive Plan and its Amended and Restated Non-Employee Director Long-Term Incentive Plan, collectively the “Stock Compensation Plans”) who exercised options; and (2) shares withheld (under the terms of grants under the Stock Compensation Plans) to offset tax withholding obligations that occur upon the delivery of common shares underlying restricted stock units and performance share units.

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Item 6. Exhibits

Exhibits:

10.1	Amended and Restated Employee Stock Purchase Plan
31.1	Rule 13a-14(a) Certification of Chief Executive Officer
31.2	Rule 13a-14(a) Certification of Chief Financial Officer
32.1	Section 1350 Certification of Chief Executive Officer
32.2	Section 1350 Certification of Chief Financial Officer
101.INS	dgx-20140630.xml
101.SCH	dgx-20140630.xsd
101.CAL	dgx-20140630_cal.xml
101.DEF	dgx-20140630_def.xml
101.LAB	dgx-20140630_lab.xml
101.PRE	dgx-20140630_pre.xml

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Signatures

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

July 31, 2014

Quest Diagnostics Incorporated

By	/s/ Stephen H. Rusckowski
	Stephen H. Rusckowski
	President and Chief Executive Officer
By	/s/ Mark J. Guinan
	Mark J. Guinan
	Senior Vice President and Chief Financial Officer

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EX-10.1

Exhibit 10.1

Amended and Restated Employee Stock Purchase Plan

(As approved by the stockholders on May 4, 2006 and as amended effective as of May 21, 2014)

The purpose of the Employee Stock Purchase Plan (the “Program”) of Quest Diagnostics Incorporated (the “Corporation”) is to provide to employees an ongoing opportunity to purchase shares of Common Stock of the Corporation, par value $0.01 per share (“Common Stock”).

1.Administration. The Program will be administered by the Compensation Committee of the Board of Directors (the “Committee”). The Committee will have authority to (a) exercise all of the powers granted to it under the Program, (b) construe, interpret and implement the Program, (c) to prescribe, amend and rescind rules and regulations relating to the Program, including rules governing its own operations, (d) to make all determinations necessary or advisable in administering the Program and (e) to correct any defect, supply any omission and reconcile any inconsistency in the Program. The determination of the Committee on any matters relating to the Program shall be final, binding and conclusive. No member of the Committee shall be liable for any action or determination made in good faith with respect to the Program. To the extent permitted by applicable law, the Committee may delegate such responsibilities and powers as it specifies to any employee or employees selected by it. Any action undertaken by an administrator in accordance with the Committee’s delegation of authority shall have the same force and effect as if undertaken directly by the Committee. Any such delegation may be revoked by the Committee at any time.

2.Eligibility. Such groups of employees of the Corporation or any subsidiary or other entity as may from time to time be designated by the Committee (“Participating Entity”) will be eligible to participate in the Program, in accordance with such rules as may be prescribed from time to time by the Committee. No employee can participate in the Program if such employee would, immediately after participating in the Program, own stock possessing five percent or more of the total combined voting power or value of all classes of stock of the Corporation or of its parent or subsidiary corporations. A person may not participate in the Program unless such person is an “employee” as defined in the instructions to the Form S-8 registration statement under the Securities Act of 1933, as amended (or any successor form) as in effect from time to time.

3.Shares Subject to the Program. The total number of shares of Common Stock which may be transferred pursuant to the Program will be five million (5,000,000) shares of Common Stock in the aggregate. In the event of any stock split, reverse stock split, stock dividend, recapitalization, reorganization, merger, demerger, consolidation, split-up, spin-off, combination or exchange of shares, or any similar change affecting the Common Stock, or in the event the Company pays an extraordinary cash dividend: (i) the number and kind of shares which may be delivered under the Program; (ii) the number and kind of shares subject to outstanding Options (as hereinafter defined); and (iii) the exercise price of outstanding Options shall be appropriately adjusted consistent with such change in such manner as the Committee may deem equitable to prevent substantial dilution or enlargement of the right granted to, or available for, participants. Except as expressly provided herein, no issuance by the Corporation of shares of stock of any class, or securities convertible into shares of stock of any class, shall affect, and no adjustment by reason thereof shall be made with respect to, the number or price of shares of Common Stock subject to an Option.

4.Offerings. The Corporation shall make on the last business day of each calendar month or such other period as the Committee may determine (such month or other period being an “Offering Period”), an offering to such employees to purchase shares of Common Stock under the Program.

5.Participation.

(a)    An employee eligible to participate in the Program pursuant to Section 2 above may participate by completing the Corporation-specified enrollment process. The employee will authorize a regular payroll deduction from his regular compensation, which will be effective as soon as practicable after completion of the enrollment process but may not be retroactive. With respect to any offering made under the Program, an employee may authorize a payroll deduction, but not in excess of the greater of (a) ten percent (10%) of the base salary an employee receives during the Offering Period (or during such

Exhibit 10.1

portion thereof as an employee may elect to participate) and (b) such lesser amount as is determined by the Committee. Additionally, during the Offering Period, the Corporation shall be deemed to contribute an additional amount to the employee’s account equal to 0.1765 multiplied by the amount of the payroll deduction authorized by the employee during the Offering Period.

(b)    An employee may at any time stop, increase or decrease the employee’s payroll deduction by completing a Corporation-specified process. These requests shall become effective as soon as practicable after completion of the process. The Corporation will maintain payroll deduction accounts on its books for all participating employees.

6.Interest and Application of Funds. The Corporation shall not credit employee accounts with interest and shall hold such accounts for the credit of employees as part of its general funds. All funds received or held by the Corporation under the Program may be used for any corporate purpose.

7.No Withdrawal of Funds. Once an employee has begun participation in any Offering Period, he may stop his payroll deductions but, except as provided in Section 12 below, may not withdraw any cash balance accumulated in his account.

8.Purchase of Shares. Each employee participating in any offering under the Program will be granted an option to purchase (an “Option”), upon the effective date of such offering, as many shares of Common Stock as may be purchased with the funds that the participating employee elects to withhold pursuant to Section 5 above.

The purchase price for each share of Common Stock purchased will be the Market Price (as defined in Section 10 below) of a share of Common Stock on the last business day of any Offering Period. The account of each participating employee shall be totaled and the funds in the employee’s account, including the additional amounts deemed to be contributed by the Corporation as of that date, shall be used to purchase Common Stock. The employee shall be deemed to have exercised an Option to purchase such shares of Common Stock at such price and the employee’s account shall be charged for the amount of the purchase.

To the extent an employee is deemed to have exercised an Option to purchase a fractional share of Common Stock pursuant to this Section 8, the value of such fractional share shall be paid to the employee in cash at the same time he or she is delivered whole shares purchased during the applicable Offering Period pursuant to Section 9. Subsequent shares of Common Stock purchased by the employee will be purchased in the same manner, subject to funds having again been deposited in the employee’s account.

9.Registration. It is anticipated that shares of Common Stock purchased by the employee shall be held by a third party agent in an investment account established for the employee and that, unless special arrangements are made to the contrary, any dividends paid on shares of Common Stock purchased under the Program will be reinvested.

Upon request by the employee to the third party agent or the Corporation, whole shares of Common Stock purchased by an employee will be delivered to a brokerage account designated by the employee.

10.Definitions. The phrase “Market Price” means, unless the Committee determines otherwise, the closing price of a share of Common Stock on the New York Stock Exchange Composite list (or such other stock exchange as shall be the principal public trading market for the Common Stock) on the relevant date of determination or, if the Common Stock is not traded on such date, the closing price on the New York Stock Exchange Composite list (or such other stock exchange as shall be the principal public trading market for the Common Stock) on the next preceding day on which the Common Stock was traded.

11.Rights as a Stockholder. None of the rights or privileges of a stockholder of the Corporation shall exist with respect to shares purchased under the Program unless and until ownership of such shares shall have been appropriately evidenced on the Corporation’s books.

2

Exhibit 10.1

12.Rights on Retirement, Death, or Termination of Employment.

(a)    In the event of a participating employee’s retirement, death, or termination of employment, no payroll deduction shall be taken with respect to any severance, life insurance or other similar payments due to such employee but, pursuant to the employee’s payroll deduction authorization, a payroll deduction will be made with respect to regular compensation due for the period prior to the participating employee’s retirement, death or termination of employment and such employee will receive on the last day of the applicable Offering Period that number of shares of Common Stock which may be purchased pursuant to Section 8 above from funds in his or her account, provided that, in the event of an employee’s death and upon the request of his estate but subject to the approval of the Committee, the balance in the deceased employee’s account shall be paid to the employee’s estate rather than utilized to purchase shares of Common Stock.

(b)    Following retirement or other termination of employment, a participant (or if the participant is deceased, the representative of the participant’s estate) may elect to have the shares of Common Stock held in the participant’s account under the Program: (i) transferred to a brokerage account designated by the participant; or (ii) sold and the proceeds remitted to the participant. If the Corporation does not receive a written election relating to the shares in a participant’s account from the participant within 60 days following the date the Corporation notifies the participant of the opportunity to make such election, the participant shall be deemed to have made the election provided for in clause (ii) of the preceding sentence; provided, however, that the Committee may in its discretion establish a different default procedure for participants who fail to make a timely election. This Section 12(b) shall be effective as of a date selected by the Committee (which date is expected to be no later than September 1, 2014), including with respect to participants who have retired or whose employment has otherwise terminated prior to such date.

13.Shares of Entities Other than the Corporation. With respect to the shares of common stock or other securities of entities other than the Corporation held in accounts under the Program, a participant may elect to have the shares or other securities in the account: (i) delivered to the transfer agent for the issuer of such shares or other securities for the participant’s benefit; (ii) transferred to a brokerage account designated by the participant; or (iii) sold and the proceeds remitted to the participant. If the Corporation does not receive a written election relating to such shares or other securities in a participant’s account from the participant within 60 days following the date the Corporation notifies the participant of the opportunity to make such election, the participant shall be deemed to have made the election provided for in clause (iii) of the preceding sentence; provided, however, that the Committee may in its discretion establish a different default procedure for participants who fail to make a timely election. This Section 13 shall be effective as of a date selected by the Committee and expected to be no later than September 1, 2014.

14.Rights Not Transferable. Rights under the Program are not transferable by a participating employee other than by will or the laws of descent and distribution, and are exercisable during the employee’s lifetime only by the employee.

15.Amendment of the Program. The Committee may at any time, or from time to time, amend or suspend the Program in any respect, including retroactively to the extent necessary; provided, however that no such action shall be made without shareholder approval if such approval is required under tax or stock exchange rules and regulations. Upon any such suspension or amendment of the Program during any Offering Period, the Committee may in its discretion determine that the applicable offer shall immediately terminate and that all amounts in the accounts of participating employees will be carried forward into the employee’s payroll deduction account under a successor program, if any, or promptly refunded.

16.Effectiveness of the Program. The Program became effective upon its approval by the holders of stock entitled to vote at the Corporation’s May 4, 2006 Annual Meeting of Stockholders (the “Effective Date”).

3

Exhibit 10.1

17.Termination of the Program. The Program and all rights of employees under any offering hereunder shall terminate upon the earlier of:

(a)    on the day that participating employees become entitled to purchase a number of shares of Common Stock greater than the number of shares of Common Stock remaining available for purposes of the Program provided, however, if the number of shares of Common Stock so purchasable is greater than the shares of Common Stock remaining available, the available shares of Common Stock shall be allocated by the Committee among such participating employees in such manner as it deems fair; and

(b)    at any earlier time, at the discretion of the Committee.

No offering hereunder shall be made which shall extend beyond the tenth anniversary of the Effective Date. Upon termination of the Program all amounts in the accounts of participating employees shall be carried forward into the employee’s payroll deduction account under a successor program, if any, or promptly refunded.

18.Governmental Regulations. The Corporation’s obligation to sell and deliver shares of Common Stock under the Program is subject to the approval of any governmental authority required for the authorization, issuance, or sale of such stock.

19.Share Purchases. Purchases of outstanding shares may be made pursuant to and on behalf of the Program, upon such terms as the Board of Directors of the Corporation may approve, for delivery under the Program.

20.No Right to Employment. Nothing in the Program shall confer upon any employee the right to continue in the employ of the Corporation or any Participating Entity or affect any right which the Corporation or any Participating Entity may have to terminate such employment.

21.Expenses. The Committee shall determine in its discretion the extent to which costs of administering and carrying out the Program, including the cost of maintaining participant accounts and costs (including brokerage fees) incurred in connection with transfers or sales of shares pursuant to Sections 12 and 13, will be borne by participants (including participants whose employment has terminated). The Committee’s determinations with respect to allocation of expenses need not be uniform and may be made by it selectively among participants (whether or not such participants are similarly situated).

22.Governing Law. The Program shall be interpreted, construed and administered in accordance with the laws of the State of New Jersey, without giving effect to principles of conflict of laws.

4

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Stephen H. Rusckowski, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Quest Diagnostics Incorporated;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

July 31, 2014

By	/s/ Stephen H. Rusckowski
	Stephen H. Rusckowski
	President and Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO

SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, Mark J. Guinan, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Quest Diagnostics Incorporated;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a. designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b. designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c. evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d. disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a. all significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b. any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

July 31, 2014

By	/s/ Mark J. Guinan
	Mark J. Guinan
	Senior Vice President and
	Chief Financial Officer

EX-32.1

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. § 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. § 1350, the undersigned certifies that, to the best of my knowledge, the Quarterly Report on Form 10-Q for the period ended June 30, 2014 of Quest Diagnostics Incorporated, as being filed with the Securities and Exchange Commission concurrently herewith, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. § 78m or 78o(d)) and that the information contained in the Quarterly Report fairly presents, in all material respects, the financial condition and results of operations of Quest Diagnostics Incorporated.

Dated:	July 31, 2014	/s/ Stephen H. Rusckowski
		Stephen H. Rusckowski
		President and Chief Executive Officer

EX-32.2

Exhibit 32.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. § 1350,

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. § 1350, the undersigned certifies that, to the best of my knowledge, the Quarterly Report on Form 10-Q for the period ended June 30, 2014 of Quest Diagnostics Incorporated, as being filed with the Securities and Exchange Commission concurrently herewith, fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. § 78m or 78o(d)) and that the information contained in the Quarterly Report fairly presents, in all material respects, the financial condition and results of operations of Quest Diagnostics Incorporated.

Dated:	July 31, 2014	/s/ Mark J. Guinan
		Mark J. Guinan
		Senior Vice President and
		Chief Financial Officer

XML

BUSINESS ACQUISITION (Pro Forma) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Business Acquisition [Line Items]
Pro forma net revenues	$ 1,906	$ 1,929	$ 3,733	$ 3,829
Pro forma income from continuing operations	$ 143	$ 163	$ 252	$ 286
Earnings per share attributable to Quest Diagnostics’ common stockholders - basic:
Pro forma income from continuing operations	$ 0.92	$ 0.99	$ 1.63	$ 1.72
Earnings per share attributable to Quest Diagnostics’ common stockholders - diluted:
Pro forma income from continuing operations	$ 0.92	$ 1.00	$ 1.62	$ 1.71

XML

DISCONTINUED OPERATIONS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	$ 0	$ 3	$ 0	$ 28
Income from discontinued operations before taxes	0	21	0	22
Income tax benefit	0	(8)	0	11
Income from discontinued operations, net of taxes	0	13	0	33
HemoCue [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax				13
NID [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discrete tax benefits				$ 20

XML

FINANCIAL INSTRUMENTS (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended	12 Months Ended			6 Months Ended						6 Months Ended					6 Months Ended
	Jun. 30, 2014	Dec. 31, 2012	Jun. 30, 2014 Designated as Hedging Instrument [Member] Interest Rate Swaps [Member]	Dec. 31, 2013 Designated as Hedging Instrument [Member] Interest Rate Swaps [Member]	Jun. 30, 2014 Cash Flow Hedging [Member] Treasury Lock [Member]	Jun. 30, 2014 Cash Flow Hedging [Member] Forward Contracts [Member]	Jul. 31, 2012 Fair Value Hedging [Member]	Jun. 30, 2014 Fair Value Hedging [Member] One-Month LIBOR [Member]	Dec. 31, 2013 Fair Value Hedging [Member] One-Month LIBOR [Member]	Nov. 30, 2013 Fair Value Hedging [Member] One-Month LIBOR [Member]	Jun. 30, 2014 Minimum [Member] Cash Flow Hedging [Member]	Jul. 31, 2012 Minimum [Member] Fair Value Hedging [Member] Six-Month LIBOR [Member]	Jun. 30, 2014 Minimum [Member] Fair Value Hedging [Member] One-Month LIBOR [Member]	Dec. 31, 2013 Minimum [Member] Fair Value Hedging [Member] One-Month LIBOR [Member]	Nov. 30, 2013 Minimum [Member] Fair Value Hedging [Member] One-Month LIBOR [Member]	Jun. 30, 2014 Maximum [Member] Cash Flow Hedging [Member]	Jun. 30, 2014 Maximum [Member] Fair Value Hedging [Member] One-Month LIBOR [Member]	Dec. 31, 2013 Maximum [Member] Fair Value Hedging [Member] One-Month LIBOR [Member]	Nov. 30, 2013 Maximum [Member] Fair Value Hedging [Member] One-Month LIBOR [Member]	Jul. 31, 2012 Maximum [Member] Fair Value Hedging [Member] One-Month LIBOR [Member]
Derivative [Line Items]
Notional amount of interest rate derivatives					$ 175	$ 150	$ 550	$ 250	$ 400	$ 200
Derivative, Maturity Date					Mar. 28, 2014
Fixed interest rate											3.57%					3.788%
Term of contract											21 months					24 months
Accumulated net loss from designated or qualifying cash flow hedges	10	5
Net amount of deferred gains and losses on cash flow hedges that is expected to be reclassified within the next 12 months	1
Variable interest rate												2.30%	1.54%	3.40%	2.45%		1.59%	5.10%	2.46%	3.60%
Derivative instruments, liabilities			18	34
Derivative asset			$ 8

XML

BUSINESS SEGMENT INFORMATION (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Segment Reporting Information [Line Items]
Percentage of net revenues from the DIS business			90.00%	90.00%
Total net revenues	$ 1,902	$ 1,815	$ 3,648	$ 3,602
Total operating income	262	289	470	516
Non-operating expenses, net	(33)	(33)	(65)	(63)
Income from continuing operations before taxes	229	256	405	453
Income tax expense	87	95	152	168
Income from continuing operations	142	161	253	285
Income from discontinued operations, net of taxes	0	13	0	33
Net income	142	174	253	318
Less: Net income attributable to noncontrolling interests	9	9	16	17
Net income attributable to Quest Diagnostics	133	165	237	301
DIS business
Segment Reporting Information [Line Items]
Total net revenues	1,763	1,674	3,377	3,323
Total operating income	293	323	524	593
All other operating segments [Member]
Segment Reporting Information [Line Items]
Total net revenues	139	141	271	279
Total operating income	22	17	40	31
General corporate expenses [Member]
Segment Reporting Information [Line Items]
Total operating income	$ (53)	$ (51)	$ (94)	$ (108)

XML

DEBT (Senior Unsecured Revolving Credit Facility) (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Letters of credit outstanding, amount	$ 59
Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	0.75%
Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	1.63%
Letter of Credit [Member]
Debt Instrument [Line Items]
Credit facility capacity	150
Letters of credit outstanding, amount	1
Unsecured Debt [Member] | Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility capacity	750
Debt instrument, maturity date	Apr. 01, 2019
Line of credit facility, amount outstanding	$ 0	$ 0
Unsecured Debt [Member] | Revolving Credit Facility [Member] | LIBOR [Member]
Debt Instrument [Line Items]
Interest rate in excess of LIBOR	1.125%

XML

EARNINGS PER SHARE (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share, Basic and Diluted [Abstract]
Income from continuing operations	$ 133	$ 152	$ 237	$ 268
Income from discontinued operations, net of taxes	0	13	0	33
Net income attributable to Quest Diagnostics	133	165	237	301
Less: Earnings allocated to participating securities			1	1
Earnings available to Quest Diagnostics' common stockholders - basic and diluted	$ 133	$ 152	$ 236	$ 267
Weighted average common shares outstanding - basic	144	153	144	155
Stock options and performance share units	1	1	1	2
Weighted average common shares outstanding - diluted	145	154	145	157
Income from continuing operations, per basic share	$ 0.92	$ 0.99	$ 1.64	$ 1.72
Income from discontinued operations, per basic share	$ 0.00	$ 0.08	$ 0.00	$ 0.21
Net income	$ 0.92	$ 1.07	$ 1.64	$ 1.93
Income from continuing operations, per diluted share	$ 0.92	$ 0.99	$ 1.63	$ 1.71
Income from discontinued operations, per diluted share	$ 0.00	$ 0.08	$ 0.00	$ 0.21
Net income	$ 0.92	$ 1.07	$ 1.63	$ 1.92
Stock options and performance share units not included due to their antidilutive effect	3	1	4	2

XML

BUSINESS ACQUISITION (Tables)

6 Months Ended

Jun. 30, 2014

Business Combinations [Abstract]

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

The following tables summarizes the consideration paid and the preliminary amounts of assets acquired and liabilities assumed at the acquisition date for the Solstas and Summit Health acquisitions described above:

	Solstas			Summit Health
Cash	$	572		$	124
Estimated fair value of contingent consideration	—			22
Transaction related costs due to sellers	—			5
Total consideration	$	572		$	151
	Solstas			Summit Health
Allocation of purchase price:	Fair Value		Weighted Average Useful Life (in years)	Fair Value		Weighted Average Useful Life (in years)
Cash and cash equivalents	$	9		$	1
Accounts receivable, net	48			11
Current deferred income taxes	7			—
Other current assets	13			16
Property, plant and equipment, net	48			6
Goodwill	266			89
Intangible assets:
Customer relationships	203		20	33		15
Software	—			3		4
Trade name	7		2	2		1
Total intangible assets	210			38
Non-current deferred income taxes	42			—
Total assets acquired	643			161
Current liabilities	59			10
Non-current deferred income taxes	4			—
Other non-current liabilities	8			—
Total liabilities assumed	71			10
Net assets acquired	$	572		$	151

Business Acquisition, Pro Forma Information [Table Text Block]

The following unaudited pro forma combined financial information reflects the consolidated statement of operations of the Company as if the acquisitions of Solstas and Summit Health had occurred as of January 1, 2013. The pro forma information includes adjustments primarily related to the amortization of intangible assets acquired, interest expense associated with debt extinguished prior to the acquisitions, and integration and transaction costs related to the Solstas and Summit Health acquisitions. The pro forma combined financial information does not include the estimated annual synergies expected to be realized upon completion of the integration of Solstas and Summit Health and is not indicative of the results of operations as they would have been had the transaction been effected on the assumed date. Financial information for Steward has not been included in the table below as this acquisition is not material to the Company’s interim unaudited consolidated financial statements.

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Pro forma net revenues	$	1,906	$	1,929	$	3,733	$	3,829
Pro forma income from continuing operations	$	143	$	163	$	252	$	286
Earnings per share attributable to Quest Diagnostics’ common stockholders - basic:
Pro forma income from continuing operations	$	0.92	$	0.99	$	1.63	$	1.72
Earnings per share attributable to Quest Diagnostics’ common stockholders - diluted:
Pro forma income from continuing operations	$	0.92	$	1.00	$	1.62	$	1.71

XML

STOCKHOLDERS' EQUITY (Narrative) (Details) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended			6 Months Ended					3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended
	Aug. 31, 2013	Jun. 30, 2014	Sep. 30, 2013	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Jun. 30, 2014 Share Repurchases Open Market [Member]	Jun. 30, 2014 Share Repurchases Open Market [Member]	Jun. 30, 2013 Share Repurchases Open Market [Member]	Jun. 30, 2013 Accelerated Share Repurchase Program [Member]	Jun. 30, 2013 Accelerated Share Repurchase Program [Member]
Stockholder's Equity Narrative [Details]
Dividend program		$ 0.33	$ 0.30	$ 0.30	$ 0.33	$ 0.30	$ 0.33	$ 0.30	$ 0.30
Treasury stock aquired repurchase program	$ 1,000,000,000
Share repurchase authorization remaining available	1,300,000,000				771,000,000
Treasury Stock Acquired Accelerated Share Repurchase Total Cost													450,000,000
Treasury Stock Acquired Accelerated Share Repurchase Initial Shares													7.2
Treasury stock shares acquired										0.4	1.0	1.1
Treasury stock acquired average cost per share										$ 57.74	$ 54.84	$ 57.81
Treasury stock value acquired cost method					57,000,000	512,000,000				25,000,000	57,000,000	62,000,000
Reissuance of shares for employee benefit plan		0.4		1.1	0.8	1.5
Accelerated Share Repurchases, Initial Price Paid Per Share													$ 55.92
Treasury stock acquired accelerated share repurchase, initial aggregate cost													405,000,000	405,000,000
Accelerated Share Repurchase Program, Adjustment			$ 45,000,000										$ 45,000,000

XML

FAIR VALUE MEASUREMENTS (Reconciliation of Beginning and Ending Balances of Liabilities Unobservable Inputs) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Beginning Balance	$ 0
Purchases, additions and issuances	26
Included in earnings	0
Transfers in and out of Level 3	0
Ending Balance	$ 26

XML

BUSINESS ACQUISITION (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		0 Months Ended	3 Months Ended	6 Months Ended	0 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Mar. 07, 2014 Solstas Lab Parnters Group [Member]	Jun. 30, 2014 Solstas Lab Parnters Group [Member]	Jun. 30, 2014 Solstas Lab Parnters Group [Member]	Apr. 18, 2014 Summit Health, Inc. [Member]	Apr. 16, 2014 Steward Health Care Systems, LLC [Member] [Member]
Business Acquisition [Line Items]
Cash paid for acquisition					$ 572			$ 151	$ 34
Business acquisitions, net of cash acquired	156	90	723	180	563			123
Business Combination, Contingent Consideration Fair Value					0			22	4
Operating expenses						97	122
Net revenues	1,902	1,815	3,648	3,602		97	122
Integration and transaction related costs						3	5
Cash consideration paid					572			124	30
Business Combination, Working Capital Adjustments								9
Business Combination, Contingent Consideration Value High								25	5
Business Combination, Acquisition Related Costs					$ 0			$ 5

XML

SUPPLEMENTAL CASH FLOW & OTHER DATA (Continuing Operations) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Supplemental Cash Flow and Other Data [Line Items]
Depreciation expense	$ 56	$ 52	$ 109	$ 103
Interest expense, net	(42)	(40)	(81)	(80)
Segment, Continuing Operations [Member]
Supplemental Cash Flow and Other Data [Line Items]
Depreciation expense	56	52	109	103
Interest expense	(42)	(40)	(82)	(81)
Interest income	0	0	1	1
Interest expense, net	$ (42)	$ (40)	$ (81)	$ (80)

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DEBT (Maturities of Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Debt Instruments [Abstract]
Remainder of 2014	$ 9
2015	521
2016	309
2017	382
2018	3
2019	301
Thereafter	2,225
Total maturities of debt	3,750
Unamortized discount	(21)
Debt Instrument, fair value basis adjustment attributable to hedged debt	34
Total long-term debt	3,763	3,332
Current portion of long-term debt	25	212
Total long-term debt, net of current portion	$ 3,738

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

6 Months Ended

Jun. 30, 2014

Accounting Policies [Abstract]

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The interim unaudited consolidated financial statements reflect all adjustments which in the opinion of management are necessary for a fair statement of results of operations, comprehensive income, financial condition, cash flows and stockholders' equity for the periods presented. Except as otherwise disclosed, all such adjustments are of a normal recurring nature. Operating results for the interim periods are not necessarily indicative of the results that may be expected for the full year. These interim unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements included in the Company’s 2013 Annual Report on Form 10-K. The year-end balance sheet data was derived from the audited financial statements as of December 31, 2013, but does not include all the disclosures required by accounting principles generally accepted in the United States (“GAAP”).

Use of Estimates

The preparation of financial statements in conformity with GAAP requires management 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 financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Earnings Per Share

The Company's unvested restricted stock units that contain non-forfeitable rights to dividends are participating securities and, therefore, are included in the earnings allocation in computing earnings per share using the two-class method. Basic earnings per common share is calculated by dividing net income, adjusted for earnings allocated to participating securities, by the weighted average number of common shares outstanding. Diluted earnings per common share is calculated by dividing net income, adjusted for earnings allocated to participating securities, by the weighted average number of common shares outstanding after giving effect to all potentially dilutive common shares outstanding during the period. Potentially dilutive common shares include the dilutive effect of outstanding stock options and performance share units granted under the Company's Amended and Restated Employee Long-Term Incentive Plan and its Amended and Restated Non-Employee Director Long-Term Incentive Plan. Earnings allocable to participating securities include the portion of dividends declared as well as the portion of undistributed earnings during the period allocable to participating securities.

Adoption of New Accounting Standards

On January 1, 2014, the Company adopted a new accounting standard issued by the Financial Accounting Standards Board ("FASB") on foreign currency matters that clarifies the guidance of a parent company's accounting for the cumulative translation adjustment upon derecognition of certain subsidiaries or groups of assets within a foreign entity or of an investment in a foreign entity. Under this standard, a parent company that ceases to have a controlling financial interest in a foreign subsidiary or group of assets within a foreign entity shall release any related cumulative translation adjustment into net income only if a sale or transfer results in complete or substantially complete liquidation of the foreign entity. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

On January 1, 2014, the Company adopted a new accounting standard issued by the FASB on the financial statement presentation of unrecognized tax benefits. The standard provides that a liability related to an unrecognized tax benefit would be presented as a reduction of a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if such settlement is required or expected in the event the uncertain tax position is disallowed. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

New Accounting Pronouncements

In April 2014, the FASB issued an accounting standard update ("ASU") related to the presentation and reporting of discontinued operations, including the disposals of components of an entity. The ASU changes the criteria for reporting discontinued operations and requires expanded disclosures about discontinued operations that will provide financial statement users with more information about the assets, liabilities, income, and expenses of discontinued operations. The new guidance also requires disclosure of the pre-tax income attributable to a disposal of a significant part of an organization that does not qualify for discontinued operations reporting. This ASU is effective for the Company in the first quarter of 2015 and early adoption is permitted. The impact of the adoption of this ASU on the Company’s results of operations, financial position, cash flows and disclosures will be assessed as part of any future disposal activity.

In May 2014, the FASB issued an ASU on revenue recognition. This ASU outlines a single comprehensive model to use in accounting for revenue arising from contracts with customers. This standard supersedes existing revenue recognition requirements and eliminates most industry-specific guidance from GAAP. The core principle of the revenue recognition standard is to require an entity to recognize as revenue the amount that reflects the consideration to which it expects to be entitled in exchange for goods or services as it transfers control to its customers. The standard requires additional disclosures including those that are qualitative and quantitative disclosures about the nature, amount, timing and uncertainty of revenue and cash flows arising from contracts with customers. This ASU is effective for the Company in the first quarter of 2017 with the option of using a full retrospective method or a modified retrospective method. The Company is currently assessing the impact of the adoption of this ASU on the Company’s results of operations, financial position and cash flows.

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GOODWILL AND INTANGIBLE ASSETS (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended		12 Months Ended						6 Months Ended		6 Months Ended		6 Months Ended		6 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2013 Enterix [Member]	Jun. 30, 2014 Intangible Assets Not Subject to Amortization - Tradenames [Member]	Dec. 31, 2013 Intangible Assets Not Subject to Amortization - Tradenames [Member]	Jun. 30, 2014 Intangible Assets Not Subject to Amortization - Other [Member]	Dec. 31, 2013 Intangible Assets Not Subject to Amortization - Other [Member]	Jun. 30, 2014 Customer-related intangibles [Member]	Dec. 31, 2013 Customer-related intangibles [Member]	Jun. 30, 2014 Non-compete agreements [Member]	Dec. 31, 2013 Non-compete agreements [Member]	Jun. 30, 2014 Technology [Member]	Dec. 31, 2013 Technology [Member]	Jun. 30, 2014 Other [Member]	Dec. 31, 2013 Other [Member]	Jun. 30, 2014 Total Amortizing Intangible Assets [Member]	Dec. 31, 2013 Total Amortizing Intangible Assets [Member]	Jun. 30, 2014 Solstas, Summit Health and Steward [Member]	Mar. 07, 2014 Solstas Lab Parnters Group [Member]	Dec. 31, 2013 UMass, ATN, Dignity and Con Verge Combined [Member]
Finite-Lived and Indefinite-lived Intangible Assets [Line Items]
Total intangible assets																						$ 210
Goodwill, Balance at beginning of period			5,649	5,536	5,536																	266
Goodwill acquired during the period			375		150
Goodwill impairment and write-off associated with sale of businesses during the period			0		37	37
Goodwill, Balance at end of period	6,024		6,024		5,649																	266
Intangible assets																					268		108
Goodwill deductible for tax purposes																					104		135
Weighted Average Amortization Period											18 years		4 years		14 years		8 years		16 years
Intangible assets, Cost	1,486		1,486		1,218		244	244	1	1	927	670	43	43	119	119	152	141	1,241	973
Intangible assets, Accumulated Amortization	(369)		(369)		(322)						(233)	(210)	(32)	(27)	(33)	(28)	(71)	(57)	(369)	(322)
Amortizing intangible assets, Net	1,117		1,117		896		244	244	1	1	694	460	11	16	86	91	81	84	872	651
Amortization expense related to intangible assets	25	20	47	39
Remainder of 2014	47		47
Future Amortization Expense, 2015	84		84
Future Amortization Expense, 2016	74		74
Future Amortization Expense, 2017	71		71
Future Amortization Expense, 2018	64		64
Future Amortization Expense, 2019	62		62
Future Amortization Expense, Thereafter	470		470
Future Amortization Expense, Total			$ 872

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FINANCIAL INSTRUMENTS (Tables)

6 Months Ended

Jun. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of the fair values of derivative instruments

A summary of the fair values of derivative instruments in the consolidated balance sheets is stated in the table below:

	June 30, 2014				December 31, 2013
	Balance Sheet Classification	Fair Value			Balance Sheet Classification	Fair Value
Derivatives Designated as Hedging Instruments
Asset Derivatives:
Interest rate swaps	Other assets	$	8		Other assets	$	—
Forward starting interest rate swaps	Other assets	—			Other assets	2
Total Asset Derivatives		8				2
Liability Derivatives:
Interest rate swaps	Other liabilities	18			Other liabilities	34
Forward starting interest rate swaps	Other liabilities	8			Other liabilities	—
Total Liability Derivatives		26				34
Derivatives Not Designated as Hedging Instruments
Asset Derivatives:
Put option	Prepaid expenses and other current assets	4			Other assets	4
Liability Derivatives:
Call option	Accounts payable and accrued expenses	8			Other liabilities	8
Total Net Derivatives Liabilities		$	(22	)		$	(36	)

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DEBT (Tables)

6 Months Ended

Jun. 30, 2014

Debt Instruments [Abstract]

Long-term Debt

Long-term debt at June 30, 2014 and December 31, 2013 consisted of the following:

	June 30, 2014		December 31, 2013
Floating Rate Senior Notes due March 2014	$	—	$	200
5.45% Senior Notes due November 2015	500		500
3.20% Senior Notes due April 2016	306		307
6.40% Senior Notes due July 2017	375		375
2.70% Senior Notes due April 2019	300		—
4.75% Senior Notes due January 2020	525		520
4.70% Senior Notes due April 2021	544		533
4.25% Senior Notes due April 2024	304		—
6.95% Senior Notes due July 2037	421		421
5.75% Senior Notes due January 2040	439		439
Other	49		37
Total long-term debt	3,763		3,332
Less: current portion of long-term debt	25		212
Total long-term debt, net of current portion	$	3,738	$	3,120

Schedule of Maturities of Long-term Debt

As of June 30, 2014, long-term debt matures as follows:

Year Ending December 31,
Remainder of 2014	$	9
2015	521
2016	309
2017	382
2018	3
2019	301
Thereafter	2,225
Total maturities of long-term debt	3,750
Unamortized discount	(21		)
Fair value basis adjustments attributable to hedged debt	34
Total long-term debt	3,763
Current portion of long-term debt	25
Total long-term debt, net of current portion	$	3,738

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DEBT (Narrative) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Debt Instrument [Line Items]
Debt offering amount	$ 600
Unamortized discount	21
Debt issuance cost	5
2.70% Senior Notes due April 2019 [Member]
Debt Instrument [Line Items]
Debt offering amount	300
Debt instrument, interest rate	2.70%
4.25% Senior Notes due April 2024 [Member]
Debt Instrument [Line Items]
Debt offering amount	300
Debt instrument, interest rate	4.25%
Unamortized discount	$ 1

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SUPPLEMENTAL CASH FLOW & OTHER DATA (Tables)

6 Months Ended

Jun. 30, 2014

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow and Other Data

Supplemental cash flow data for the three and six months ended June 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2014			2013		2014			2013
Depreciation expense	$	56		$	52	$	109		$	103
Amortization expense	25			20		47			39
Interest paid	30			32		82			84
Income taxes paid	129			121		138			205
Assets acquired under capital leases	8			2		10			2
Increase in accounts payable associated with capital expenditures	33			—		12			—
Businesses acquired:
Fair value of assets acquired	199			90		845			241
Fair value of liabilities assumed	12			—		82			11
Fair value of net assets acquired	187			90		763			230
Merger consideration paid (payable), net	(30		)	—		(30		)	(50		)
Cash paid for business acquisitions	157			90		733			180
Less: Cash acquired	1			—		10			—
Business acquisitions, net of cash acquired	$	156		$	90	$	723		$	180

Schedule of Cash Flow, Supplemental Disclosures, Continuing Operations

Supplemental continuing operations data for the statement of operations for the three and six months ended June 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Depreciation expense	$	56		$	52		$	109		$	103
Interest expense	(42		)	(40		)	(82		)	(81		)
Interest income	—			—			1			1
Interest expense, net	$	(42	)	$	(40	)	$	(81	)	$	(80	)

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DISCONTINUED OPERATIONS (Tables)

6 Months Ended

Jun. 30, 2014

Discontinued Operations [Abstract]

Summarized Financial Information for Discontinued Operations

Summarized financial information for the discontinued operations is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2014		2013			2014		2013
Net revenues	$	—	$	3		$	—	$	28
Income from discontinued operations before taxes	—		21			—		22
Income tax (expense) benefit	—		(8		)	—		11
Income from discontinued operations, net of taxes	$	—	$	13		$	—	$	33

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DESCRIPTION OF BUSINESS

6 Months Ended

Jun. 30, 2014

Description of Business (Abstract)

DESCRIPTION OF BUSINESS

DESCRIPTION OF BUSINESS

Background

Quest Diagnostics Incorporated and its subsidiaries ("Quest Diagnostics" or the "Company") is the world's leading provider of diagnostic information services ("DIS") providing insights that empower and enable patients, physicians, hospitals, integrated delivery networks, health plans, employers and others to make better healthcare decisions. The Company offers the broadest access in the United States to DIS through its nationwide network of laboratories and Company-owned patient service centers and the Company is the leading provider of DIS, including routine testing, esoteric or gene-based testing and anatomic pathology testing. The Company provides interpretive consultation through the largest medical and scientific staff in the industry, with hundreds of M.D.s and Ph.D.s, primarily located in the United States, many of whom are recognized leaders in their fields. The Company's Diagnostic Solutions ("DS") businesses offer a variety of solutions for life insurers, healthcare providers and others. The Company is the leading provider of risk assessment services for the life insurance industry. In addition, the Company is a leading provider of testing for clinical trials. The Company's diagnostics products business manufactures and markets diagnostic products. In addition, the Company offers healthcare organizations and clinicians robust information technology solutions.

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BUSINESS SEGMENT INFORMATION (Tables)

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

Summary of Segment Reporting Information by Segment

The following table is a summary of segment information for the three and six months ended June 30, 2014 and 2013. Segment asset information is not presented since it is not used by the chief operating decision maker at the operating segment level. Operating earnings (loss) of each segment represents net revenues less directly identifiable expenses to arrive at operating income for the segment. General corporate activities included in the table below are comprised of general management and administrative corporate expenses, amortization of intangibles assets and other miscellaneous operating income and expenses, net of certain general corporate activity costs that are allocated to the DIS and DS businesses. The accounting policies of the segments are the same as those of the Company as set forth in Note 2 to the consolidated financial statements contained in the Company’s 2013 Annual Report on Form 10-K and Note 2 to the interim unaudited consolidated financial statements.

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Net revenues:
DIS business	$	1,763		$	1,674		$	3,377		$	3,323
All other operating segments	139			141			271			279
Total net revenues	$	1,902		$	1,815		$	3,648		$	3,602
Operating earnings (loss):
DIS business	$	293		$	323		$	524		$	593
All other operating segments	22			17			40			31
General corporate activities	(53		)	(51		)	(94		)	(108		)
Total operating income	262			289			470			516
Non-operating expenses, net	(33		)	(33		)	(65		)	(63		)
Income from continuing operations before taxes	229			256			405			453
Income tax expense	87			95			152			168
Income from continuing operations	142			161			253			285
Income from discontinued operations, net of taxes	—			13			—			33
Net income	142			174			253			318
Less: Net income attributable to noncontrolling interests	9			9			16			17
Net income attributable to Quest Diagnostics	$	133		$	165		$	237		$	301

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FAIR VALUE MEASUREMENTS (Narrative) (Details) (USD $)			3 Months Ended		0 Months Ended		6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Call Option [Member]	Jan. 02, 2013 UMass Memorial Medical Center (UMass) [Member]	Apr. 18, 2014 Summit Health, Inc. [Member]	Apr. 16, 2014 Steward Health Care Systems, LLC [Member] [Member]	Jun. 30, 2014 Minimum [Member]	Jun. 30, 2014 Maximum [Member]
Business Acquisition [Line Items]
Percentage of equity interest expected to be divested				18.90%
Vesting period for derivative instrument			9 months
Business Combination, Contingent Consideration, Liability to be Paid	$ 26,000,000
Fair value inputs, probability of occurrence							5.00%	95.00%
Fair Value Inputs, Discount Rate							1.50%	2.80%
Business Combination, Contingent Consideration Value High					25,000,000	5,000,000
Fair value of debt	4,300,000,000	3,500,000,000
Debt Instrument Fair Value In Excess Of Carrying Value Of Debt	$ 342,000,000	$ 184,000,000

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COMMITMENTS AND CONTINGENCIES (Details) (USD $) In Millions, unless otherwise specified			6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Line of Credit [Member]
Long-term Purchase Commitment [Line Items]
Line of credit	$ 85
Debt instrument, maturity date			Nov. 18, 2014
Letters of credit outstanding, amount	59
Litigation reserves	6	6
Self-insurance reserves	$ 121	$ 121

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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Income Statement [Abstract]
Net revenues	$ 1,902	$ 1,815	$ 3,648	$ 3,602
Operating costs and expenses:
Cost of services	1,174	1,094	2,275	2,186
Selling, general and administrative	440	418	855	866
Amortization of intangible assets	25	20	47	39
Other operating expense (income), net	1	(6)	1	(5)
Total operating costs and expenses	1,640	1,526	3,178	3,086
Operating income	262	289	470	516
Other income (expense):
Interest expense, net	(42)	(40)	(81)	(80)
Equity in earnings of equity method investees	6	7	12	13
Other income, net	3	0	4	4
Total non-operating expenses, net	(33)	(33)	(65)	(63)
Income from continuing operations before taxes	229	256	405	453
Income tax expense	87	95	152	168
Income from continuing operations	142	161	253	285
Income from discontinued operations, net of taxes	0	13	0	33
Net income	142	174	253	318
Less: Net income attributable to noncontrolling interests	9	9	16	17
Net income attributable to Quest Diagnostics	133	165	237	301
Amounts attributable to Quest Diagnostics' stockholders:
Income from continuing operations	133	152	237	268
Income from discontinued operations, net of taxes	0	13	0	33
Net income attributable to Quest Diagnostics	$ 133	$ 165	$ 237	$ 301
Earnings per share attributable to Quest Diagnostics' common stockholders - basic:
Income from continuing operations	$ 0.92	$ 0.99	$ 1.64	$ 1.72
Income from discontinued operations, per basic share	$ 0.00	$ 0.08	$ 0.00	$ 0.21
Net income	$ 0.92	$ 1.07	$ 1.64	$ 1.93
Earnings per share attributable to Quest Diagnostics' common stockholders - diluted:
Income from continuing operations	$ 0.92	$ 0.99	$ 1.63	$ 1.71
Income from discontinued operations, per diluted share	$ 0.00	$ 0.08	$ 0.00	$ 0.21
Net income	$ 0.92	$ 1.07	$ 1.63	$ 1.92
Weighted average common shares outstanding:
Basic	144	153	144	155
Diluted	145	154	145	157
Dividends per common share	$ 0.33	$ 0.30	$ 0.66	$ 0.60

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DEBT (Long-Term Debt) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013
Debt Instrument [Line Items]
Total long-term debt	$ 3,763	$ 3,332
Less: current portion of long-term debt	25	212
Total long-term debt, net of current portion	3,738	3,120
Floating Rate Senior Notes due 2014 [Member]
Debt Instrument [Line Items]
Total long-term debt	0	200
5.45% Senior Notes Due 2015 [Member]
Debt Instrument [Line Items]
Total long-term debt	500	500
Debt instrument, interest rate	5.45%
Debt instrument, maturity date	Nov. 01, 2015
3.20% Senior Notes Due 2016 [Member]
Debt Instrument [Line Items]
Total long-term debt	306	307
Debt instrument, interest rate	3.20%
Debt instrument, maturity date	Apr. 01, 2016
6.40% Senior Notes Due 2017 [Member]
Debt Instrument [Line Items]
Total long-term debt	375	375
Debt instrument, interest rate	6.40%
Debt instrument, maturity date	Jul. 01, 2017
2.70% Senior Notes due April 2019 [Member]
Debt Instrument [Line Items]
Total long-term debt	300	0
Debt instrument, interest rate	2.70%
Debt instrument, maturity date	Apr. 01, 2019
4.75% Senior Notes due January 2020 [Member]
Debt Instrument [Line Items]
Total long-term debt	525	520
Debt instrument, interest rate	4.75%
Debt instrument, maturity date	Jan. 30, 2020
4.70% Senior Notes Due 2021 [Member]
Debt Instrument [Line Items]
Total long-term debt	544	533
Debt instrument, interest rate	4.70%
Debt instrument, maturity date	Apr. 01, 2021
4.25% Senior Notes due April 2024 [Member]
Debt Instrument [Line Items]
Total long-term debt	304	0
Debt instrument, interest rate	4.25%
Debt instrument, maturity date	Apr. 01, 2024
6.95% Senior Notes Due 2037 [Member]
Debt Instrument [Line Items]
Total long-term debt	421	421
Debt instrument, interest rate	6.95%
Debt instrument, maturity date	Jul. 01, 2037
5.75% Senior Notes Due 2040 [Member]
Debt Instrument [Line Items]
Total long-term debt	439	439
Debt instrument, interest rate	5.75%
Debt instrument, maturity date	Jan. 30, 2040
Other Long-term Debt [Member]
Debt Instrument [Line Items]
Other	$ 49	$ 37
Minimum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	0.75%
Maximum [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate	1.63%

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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income	$ 253	$ 318
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	156	142
Provision for doubtful accounts	148	139
Deferred income tax benefit	(26)	(11)
Stock-based compensation expense	25	17
Excess tax benefits from stock-based compensation arrangements	0	(3)
Gain on sale of business	0	(22)
Other, net	(2)	(1)
Changes in operating assets and liabilities:
Accounts receivable	(191)	(213)
Accounts payable and accrued expenses	(39)	(68)
Income taxes payable	44	(35)
Other assets and liabilities, net	(4)	(8)
Net cash provided by operating activities	364	255
Cash flows from investing activities:
Business acquisitions, net of cash acquired	(723)	(180)
Proceeds from sale of businesses	0	266
Capital expenditures	(117)	(105)
Increase in investments and other assets	(1)	0
Net cash used in investing activities	(841)	(19)
Cash flows from financing activities:
Proceeds from borrowings	1,738	578
Repayments of debt	(1,159)	(415)
Purchases of treasury stock	(57)	(512)
Exercise of stock options	30	63
Excess tax benefits from stock-based compensation arrangements	0	3
Dividends paid	(91)	(95)
Distributions to noncontrolling interests	(14)	(13)
Other financing activities, net	(13)	(10)
Net cash provided by (used in) financing activities	434	(401)
Net change in cash and cash equivalents	(43)	(165)
Change in cash and cash equivalents included in assets held for sale	0	17
Cash and cash equivalents, beginning of period	187	296
Cash and cash equivalents, end of period	$ 144	$ 148

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RESTRUCTURING ACTIVITIES (Pre-Tax Restructuring and Integration Charges) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Total restructuring charges	$ 10	$ 9	$ 19	$ 44
Invigorate Program [Member]
Restructuring Cost and Reserve [Line Items]
Employee Separation Costs	6	8	14	42
Facility-related costs	3	1	4	1
Restructuring Costs and Asset Impairment Charges	1	0	1	0
Accelerated vesting of stock-based compensation	0	0	0	1
Total restructuring charges	$ 10	$ 9	$ 19	$ 44

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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)

6 Months Ended

Jun. 30, 2014

Accounting Policies [Abstract]

Basis of Presentation

The interim unaudited consolidated financial statements reflect all adjustments which in the opinion of management are necessary for a fair statement of results of operations, comprehensive income, financial condition, cash flows and stockholders' equity for the periods presented. Except as otherwise disclosed, all such adjustments are of a normal recurring nature. Operating results for the interim periods are not necessarily indicative of the results that may be expected for the full year. These interim unaudited consolidated financial statements should be read in conjunction with the audited consolidated financial statements included in the Company’s 2013 Annual Report on Form 10-K. The year-end balance sheet data was derived from the audited financial statements as of December 31, 2013, but does not include all the disclosures required by accounting principles generally accepted in the United States (“GAAP”).

Use Of Estimates

The preparation of financial statements in conformity with GAAP requires management 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 financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.

Earnings Per Share

The Company's unvested restricted stock units that contain non-forfeitable rights to dividends are participating securities and, therefore, are included in the earnings allocation in computing earnings per share using the two-class method. Basic earnings per common share is calculated by dividing net income, adjusted for earnings allocated to participating securities, by the weighted average number of common shares outstanding. Diluted earnings per common share is calculated by dividing net income, adjusted for earnings allocated to participating securities, by the weighted average number of common shares outstanding after giving effect to all potentially dilutive common shares outstanding during the period. Potentially dilutive common shares include the dilutive effect of outstanding stock options and performance share units granted under the Company's Amended and Restated Employee Long-Term Incentive Plan and its Amended and Restated Non-Employee Director Long-Term Incentive Plan. Earnings allocable to participating securities include the portion of dividends declared as well as the portion of undistributed earnings during the period allocable to participating securities.

Adoption of New Accounting Standards

On January 1, 2014, the Company adopted a new accounting standard issued by the Financial Accounting Standards Board ("FASB") on foreign currency matters that clarifies the guidance of a parent company's accounting for the cumulative translation adjustment upon derecognition of certain subsidiaries or groups of assets within a foreign entity or of an investment in a foreign entity. Under this standard, a parent company that ceases to have a controlling financial interest in a foreign subsidiary or group of assets within a foreign entity shall release any related cumulative translation adjustment into net income only if a sale or transfer results in complete or substantially complete liquidation of the foreign entity. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

On January 1, 2014, the Company adopted a new accounting standard issued by the FASB on the financial statement presentation of unrecognized tax benefits. The standard provides that a liability related to an unrecognized tax benefit would be presented as a reduction of a deferred tax asset for a net operating loss carryforward, a similar tax loss or a tax credit carryforward if such settlement is required or expected in the event the uncertain tax position is disallowed. The adoption of this standard did not have a material impact on the Company's consolidated financial statements.

New Accounting Pronouncements

In April 2014, the FASB issued an accounting standard update ("ASU") related to the presentation and reporting of discontinued operations, including the disposals of components of an entity. The ASU changes the criteria for reporting discontinued operations and requires expanded disclosures about discontinued operations that will provide financial statement users with more information about the assets, liabilities, income, and expenses of discontinued operations. The new guidance also requires disclosure of the pre-tax income attributable to a disposal of a significant part of an organization that does not qualify for discontinued operations reporting. This ASU is effective for the Company in the first quarter of 2015 and early adoption is permitted. The impact of the adoption of this ASU on the Company’s results of operations, financial position, cash flows and disclosures will be assessed as part of any future disposal activity.

Derivative Financial Instruments

The Company uses derivative financial instruments to manage its exposure to market risks for changes in interest rates and foreign currencies. This strategy includes the use of interest rate swap agreements, forward starting interest rate swap agreements, treasury lock agreements and foreign currency forward contracts to manage its exposure to movements in interest and currency rates. The Company has established policies and procedures for risk assessment and the approval, reporting and monitoring of derivative financial instrument activities. These policies prohibit holding or issuing derivative financial instruments for speculative purposes. The Company does not enter into derivative financial instruments that contain credit-risk-related contingent features or requirements to post collateral.

Interest Rate Risk

The Company is exposed to interest rate risk on its cash and cash equivalents and its debt obligations. Interest income earned on cash and cash equivalents may fluctuate as interest rates change; however, due to their relatively short maturities, the Company does not hedge these assets or their investment cash flows and the impact of interest rate risk is not material. The Company's debt obligations consist of fixed-rate and variable-rate debt instruments. The Company's primary objective is to achieve the lowest overall cost of funding while managing the variability in cash outflows within an acceptable range. In order to achieve this objective, the Company has entered into interest rate swaps. Interest rate swaps involve the periodic exchange of payments without the exchange of underlying principal or notional amounts. Net settlements between the counterparties are recognized as an adjustment to interest expense.

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RESTRUCTURING ACTIVITIES (Activities of Restructuring Liabilities) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Restructuring Reserve [Roll Forward]
Balance, beginning of period	$ 36
Current period charges	18
Cash payments	(26)
Balance, end of period	28
Employee Separation Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period	31
Current period charges	14
Cash payments	(24)
Balance, end of period	21
Facility-Related Costs [Member]
Restructuring Reserve [Roll Forward]
Balance, beginning of period	5
Current period charges	4
Cash payments	(2)
Balance, end of period	$ 7

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RESTRUCTURING ACTIVITIES (Tables)

6 Months Ended

Jun. 30, 2014

Restructuring and Related Activities [Abstract]

Schedule of Pre-Tax Restructuring and Integration Charges

The following table provides a summary of the Company's pre-tax restructuring charges associated with its Invigorate program and other restructuring activities for the three and six months ended June 30, 2014 and 2013:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Employee separation costs	$	6	$	8	$	14	$	42
Facility-related costs	3		1		4		1
Asset impairment charges	1		—		1		—
Accelerated vesting of stock-based compensation	—		—		—		1
Total restructuring charges	$	10	$	9	$	19	$	44

Schedule of Activity of Restructuring Liability

The following table summarizes activity in the restructuring liability as of June 30, 2014:

	Employee Separation Costs			Facility-Related Costs			Total
Balance, December 31, 2013	$	31		$	5		$	36
Current period charges	14			4			18
Less:
Cash payments	(24		)	(2		)	(26		)
Balance, June 30, 2014	$	21		$	7		$	28

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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Millions	Total	Common Stock	Additional Paid-In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock, at Cost	Non-controlling Interests
Balance, value at Dec. 31, 2012	$ 4,186	$ 2	$ 2,371	$ 4,690	$ 14	$ (2,914)	$ 23
Balance, shares at Dec. 31, 2012		158
Net income	318			301			17
Other comprehensive loss, net of tax	(27)				(27)
Dividends declared	(93)			(93)
Distributions to noncontrolling interests	(13)						(13)
Issuance of common stock under benefit plans, value	10		1			9
Issuance of common stock under benefit plans, shares		1
Stock-based compensation expense	17		15			2
Exercise of stock options, value	63		(5)			68
Exercise of stock options, shares		1
Shares to cover employee payroll tax withholdings on stock issued under benefit plans, value	(10)		(10)
Purchases of treasury stock, value	(512)		(45)			(467)
Purchases of treasury stock, shares		(8.0)
Balance, value at Jun. 30, 2013	3,939	2	2,327	4,898	(13)	(3,302)	27
Balance, shares at Jun. 30, 2013		152
Balance, value at Dec. 31, 2013	3,973	2	2,379	5,358	(8)	(3,783)	25
Balance, shares at Dec. 31, 2013		144
Net income	253			237			16
Other comprehensive loss, net of tax	0
Dividends declared	(95)			(95)
Distributions to noncontrolling interests	(14)						(14)
Issuance of common stock under benefit plans, value	9					9
Issuance of common stock under benefit plans, shares		1
Stock-based compensation expense	25		23			2
Exercise of stock options, value	30		(3)			33
Exercise of stock options, shares
Shares to cover employee payroll tax withholdings on stock issued under benefit plans, value	(5)		(5)
Purchases of treasury stock, value	(57)					(57)
Purchases of treasury stock, shares		(1.0)
Balance, value at Jun. 30, 2014	$ 4,119	$ 2	$ 2,394	$ 5,500	$ (8)	$ (3,796)	$ 27
Balance, shares at Jun. 30, 2014		144

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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 142	$ 174	$ 253	$ 318
Other comprehensive income (loss):
Currency translation	3	(26)	2	(30)
Market valuation, net of tax	3	0	3	0
Net deferred loss on cash flow hedges, net of tax	(3)	0	(5)	0
Other, net of tax	0	(3)	0	(3)
Other comprehensive income (loss)	3	(23)	0	(27)
Comprehensive income	145	151	253	291
Less: Comprehensive income attributable to noncontrolling interests	9	9	16	17
Comprehensive income attributable to Quest Diagnostics	$ 136	$ 142	$ 237	$ 274

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STOCKHOLDERS' EQUITY

6 Months Ended

Jun. 30, 2014

Stockholders' Equity Attributable to Parent [Abstract]

STOCKHOLDERS' EQUITY

STOCKHOLDERS’ EQUITY

Components of Comprehensive Income

The market valuation adjustments represent unrealized holding gains (losses) on available-for-sale securities, net of taxes. The net deferred loss on cash flow hedges represents deferred losses on the Company’s interest rate related derivative financial instruments designated as cash flow hedges, net of amounts reclassified to interest expense (see Note 9). For the three and six months ended June 30, 2014 and 2013, the tax effects related to the market valuation adjustments, deferred losses and other were not material. Foreign currency translation adjustments are not adjusted for income taxes since they relate to indefinite investments in non-U.S. subsidiaries.

Dividend Program

During each of the first two quarters of 2014, the Company's Board of Directors declared a quarterly cash dividend of $0.33 per common share. During each of the quarters of 2013, the Company's Board of Directors declared a quarterly cash dividend of $0.30 per common share.

Share Repurchase Program

In August 2013, the Company’s Board of Directors authorized the Company to repurchase an additional $1 billion of the Company’s common stock, increasing the total available authorization at that time to $1.3 billion. The share repurchase authorization has no set expiration or termination date.

For the three months ended June 30, 2014, the Company repurchased 0.4 million shares of its common stock at an average price of $57.74 per share for $25 million. For the six months ended June 30, 2014, the Company repurchased 1.0 million shares of its common stock at an average price of $54.84 per share for $57 million. For the three and six months ended June 30, 2014, the Company reissued 0.4 million shares and 0.8 million shares, respectively, for employee benefit plans. At June 30, 2014, $771 million remained available under the Company’s share repurchase authorizations.    

On April 19, 2013, the Company entered into an accelerated share repurchase agreement ("ASR") with a financial institution to repurchase $450 million of the Company’s common stock as part of the Company’s Common Stock repurchase program. The ASR was structured as a combination of two transactions: (1) a treasury stock repurchase and (2) a forward contract which permitted the Company to purchase shares immediately with the final purchase price of those shares determined by the volume weighted average price of the Company's common stock during the purchase period, less a fixed discount. For the three months ended June 30, 2013, the Company repurchased 7.2 million shares of its common stock under the ASR at a price of $55.92 per share for a total of $405 million, which represented approximately 90 percent of the total shares expected to be repurchased under the ASR. The forward contract settled the remaining shares upon the completion of the ASR in the third quarter of 2013. The Company recorded this transaction as an increase to treasury stock of $405 million, and recorded the remaining $45 million as a decrease to additional paid-in capital in the Company's consolidated balance sheet at June 30, 2013. The $45 million recorded in additional paid-in capital was reclassified to treasury stock upon completion of the ASR in the third quarter of 2013.

In addition to the ASR previously discussed, the Company repurchased shares of its common stock on the open market. For the six months ended June 30, 2013, the Company repurchased 1.1 million shares of its common stock at an average price of $57.81 per share for a total of $62 million. For the three and six months ended June 30, 2013, the Company reissued 1.1 million shares and 1.5 million shares, respectively, for employee benefit plans.

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DOCUMENT AND ENTITY INFORMATION	6 Months Ended
	Jun. 30, 2014	Jul. 24, 2014
Document and Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q2
Entity Registrant Name	QUEST DIAGNOSTICS INC
Entity Central Index Key	0001022079
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Common Stock, Shares Outstanding		144,414,683
Entity Well-known Seasoned Issuer	No
Entity Current Reporting Status	Yes

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SUPPLEMENTAL CASH FLOW & OTHER DATA

6 Months Ended

Jun. 30, 2014

Supplemental Cash Flow Elements [Abstract]

SUPPLEMENTAL CASH FLOW & OTHER DATA

SUPPLEMENTAL CASH FLOW & OTHER DATA

Supplemental cash flow data for the three and six months ended June 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2014			2013		2014			2013
Depreciation expense	$	56		$	52	$	109		$	103
Amortization expense	25			20		47			39
Interest paid	30			32		82			84
Income taxes paid	129			121		138			205
Assets acquired under capital leases	8			2		10			2
Increase in accounts payable associated with capital expenditures	33			—		12			—
Businesses acquired:
Fair value of assets acquired	199			90		845			241
Fair value of liabilities assumed	12			—		82			11
Fair value of net assets acquired	187			90		763			230
Merger consideration paid (payable), net	(30		)	—		(30		)	(50		)
Cash paid for business acquisitions	157			90		733			180
Less: Cash acquired	1			—		10			—
Business acquisitions, net of cash acquired	$	156		$	90	$	723		$	180

Supplemental continuing operations data for the statement of operations for the three and six months ended June 30, 2014 and 2013 is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Depreciation expense	$	56		$	52		$	109		$	103
Interest expense	(42		)	(40		)	(82		)	(81		)
Interest income	—			—			1			1
Interest expense, net	$	(42	)	$	(40	)	$	(81	)	$	(80	)

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CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets
Cash and cash equivalents	$ 144	$ 187
Accounts receivable, net of allowance for doubtful accounts of $271 and $236 at June 30, 2014 and December 31, 2013, respectively	963	852
Inventories	109	91
Deferred income taxes	164	148
Prepaid expenses and other current assets	125	105
Total current assets	1,505	1,383
Property, plant and equipment, net	884	805
Goodwill	6,024	5,649
Intangible assets, net	1,117	896
Other assets	227	215
Total assets	9,757	8,948
Liabilities and Stockholders' Equity
Accounts payable and accrued expenses	1,038	920
Short-term borrowings and current portion of long-term debt	220	212
Total current liabilities	1,258	1,132
Long-term debt	3,738	3,120
Other liabilities	642	723
Quest Diagnostics stockholders’ equity:
Common stock, par value $0.01 per share; 600 shares authorized at both June 30, 2014 and December 31, 2013; 215 shares issued at both June 30, 2014 and December 31, 2013	2	2
Additional paid-in capital	2,394	2,379
Retained earnings	5,500	5,358
Accumulated other comprehensive loss	(8)	(8)
Treasury stock, at cost; 71 shares at both June 30, 2014 and December 31, 2013	(3,796)	(3,783)
Total Quest Diagnostics stockholders' equity	4,092	3,948
Noncontrolling interests	27	25
Total stockholders' equity	4,119	3,973
Total liabilities and stockholders' equity	$ 9,757	$ 8,948

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BUSINESS ACQUISITION

6 Months Ended

Jun. 30, 2014

Business Combinations [Abstract]

BUSINESS ACQUISITION

BUSINESS ACQUISITIONS

Acquisition of Solstas Lab Partners Group

On March 7, 2014, the Company completed its acquisition of Solstas Lab Partners Group and its subsidiaries ("Solstas") in an all-cash transaction valued at $572 million, or $563 million net of cash acquired. The Company financed the acquisition with borrowings under its secured receivables credit facility and senior unsecured revolving credit facility. The final consideration paid is subject to post closing adjustments related to working capital. Through the acquisition, the Company acquired all of Solstas' operations. Solstas is a full-service commercial laboratory based in Greensboro, North Carolina and operates in nine states throughout the Southeastern United States, including the Carolinas, Virginia, Tennessee, Georgia and Alabama.

For the three and six months ended June 30, 2014, Solstas contributed $97 million and $122 million, respectively, to the Company's consolidated net revenues and $97 million and $122 million, respectively, to operating expenses which includes approximately $3 million and $5 million of integration and transaction related costs, respectively, recorded in selling, general and administrative expenses.

Acquisition of Summit Health, Inc.

On April 18, 2014, the Company completed its acquisition of Summit Health, Inc. ("Summit Health") for $151 million, which consisted of cash consideration of $124 million (which includes $9 million of working capital adjustments), or $123 million net of cash acquired, estimated contingent consideration of $22 million, and $5 million associated with certain transaction related costs due to the sellers of Summit Health. The contingent consideration arrangement is dependent on the achievement of certain revenue targets in 2015 and the Company could pay up to $25 million in 2016 based on the achievement of such targets. The final consideration paid is subject to post closing adjustments related to working capital. Through the acquisition, the Company acquired all of Summit Health's operations. Summit is a provider of on-site prevention and wellness programs. For further details regarding the fair value of the estimated contingent consideration associated with the Summit Health acquisition, see Note 6.

Acquisition of Steward Health Care Systems, LLC

On April 16, 2014, the Company completed the acquisition of the outreach laboratory service operations of Steward Health Care Systems, LLC ("Steward") for $34 million, which consisted of cash consideration of $30 million and contingent consideration of $4 million. The assets acquired primarily represent goodwill and intangible assets, principally comprised of customer-related intangibles (see Note 7). The deferred consideration arrangement secures the seller's compliance with a non-compete agreement under which the Company will pay up to $5 million, ratably, over the next four years provided the non-compete agreement is not violated through 2018. For further details regarding the fair value of the estimated contingent consideration associated with the Steward acquisition, see Note 6.

These acquisitions were accounted for under the acquisition method of accounting. As such, the assets acquired and liabilities assumed are recorded based on their estimated fair values as of the closing date. The purchase price allocations related to the Solstas and Summit Health acquisitions are based upon the Company's preliminary estimates and assumptions that are subject to change within the measurement period. Management is currently in the process of verifying data and finalizing information related to this valuation and recording of identifiable intangible assets, certain other assets and liabilities and the corresponding effect on the amount of goodwill. All of the goodwill acquired in connection with the Solstas, Summit Health and Steward acquisitions has been allocated to the Company's DIS business.

The following tables summarizes the consideration paid and the preliminary amounts of assets acquired and liabilities assumed at the acquisition date for the Solstas and Summit Health acquisitions described above:

	Solstas			Summit Health
Cash	$	572		$	124
Estimated fair value of contingent consideration	—			22
Transaction related costs due to sellers	—			5
Total consideration	$	572		$	151
	Solstas			Summit Health
Allocation of purchase price:	Fair Value		Weighted Average Useful Life (in years)	Fair Value		Weighted Average Useful Life (in years)
Cash and cash equivalents	$	9		$	1
Accounts receivable, net	48			11
Current deferred income taxes	7			—
Other current assets	13			16
Property, plant and equipment, net	48			6
Goodwill	266			89
Intangible assets:
Customer relationships	203		20	33		15
Software	—			3		4
Trade name	7		2	2		1
Total intangible assets	210			38
Non-current deferred income taxes	42			—
Total assets acquired	643			161
Current liabilities	59			10
Non-current deferred income taxes	4			—
Other non-current liabilities	8			—
Total liabilities assumed	71			10
Net assets acquired	$	572		$	151

The goodwill recorded as part of the Solstas and Summit Health acquisitions includes the expected synergies resulting from combining the operations of the acquired business with those of the Company and the value associated with an assembled workforce that has a historical track record of identifying opportunities.

Pro Forma Combined Financial Information

The following unaudited pro forma combined financial information reflects the consolidated statement of operations of the Company as if the acquisitions of Solstas and Summit Health had occurred as of January 1, 2013. The pro forma information includes adjustments primarily related to the amortization of intangible assets acquired, interest expense associated with debt extinguished prior to the acquisitions, and integration and transaction costs related to the Solstas and Summit Health acquisitions. The pro forma combined financial information does not include the estimated annual synergies expected to be realized upon completion of the integration of Solstas and Summit Health and is not indicative of the results of operations as they would have been had the transaction been effected on the assumed date. Financial information for Steward has not been included in the table below as this acquisition is not material to the Company’s interim unaudited consolidated financial statements.

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Pro forma net revenues	$	1,906	$	1,929	$	3,733	$	3,829
Pro forma income from continuing operations	$	143	$	163	$	252	$	286
Earnings per share attributable to Quest Diagnostics’ common stockholders - basic:
Pro forma income from continuing operations	$	0.92	$	0.99	$	1.63	$	1.72
Earnings per share attributable to Quest Diagnostics’ common stockholders - diluted:
Pro forma income from continuing operations	$	0.92	$	1.00	$	1.62	$	1.71

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RESTRUCTURING ACTIVITIES

6 Months Ended

Jun. 30, 2014

Restructuring and Related Activities [Abstract]

RESTRUCTURING ACTIVITIES

Invigorate Program

During 2012, the Company committed to a course of action related to a multi-year program called Invigorate which is

designed to reduce its cost structure. The Invigorate program is intended to mitigate the impact of continued reimbursement

pressures and labor and benefit cost increases, free up additional resources to invest in science, innovation and other growth

initiatives, and enable the Company to improve operating profitability and quality.

The following table provides a summary of the Company's pre-tax restructuring charges associated with its Invigorate program and other restructuring activities for the three and six months ended June 30, 2014 and 2013:

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Employee separation costs	$	6	$	8	$	14	$	42
Facility-related costs	3		1		4		1
Asset impairment charges	1		—		1		—
Accelerated vesting of stock-based compensation	—		—		—		1
Total restructuring charges	$	10	$	9	$	19	$	44

Total restructuring charges incurred for the three and six months ended June 30, 2014 are primarily associated with

various workforce reduction initiatives as the Company continues to simplify and restructure its organization. Of the total $10 million in restructuring charges incurred during the three months ended June 30, 2014, $4 million and $6 million were recorded in cost of services and selling, general and administrative expenses, respectively. Of the total $19 million in restructuring charges incurred during the six months ended June 30, 2014, $12 million and $7 million were recorded in cost of services and selling, general and administrative expenses, respectively.

Total restructuring charges incurred during the three months ended June 30, 2013 included $8 million of employee separation costs primarily associated with various workforce reduction initiatives. Of the total $9 million in restructuring charges incurred during the three months ended June 30, 2013, $4 million and $5 million were recorded in cost of services and selling, general and administrative expenses, respectively. Total restructuring charges incurred during the six months ended June 30, 2013 included $19 million of employee separation costs primarily associated with the Company's management layer reduction initiative and $4 million under the Company's voluntary retirement program. The remaining restructuring costs incurred for the six months ended June 30, 2013 were associated with other workforce reduction initiatives. Of the total $44 million in restructuring charges incurred during the six months ended June 30, 2013, $17 million and $27 million were recorded in cost of services and selling, general and administrative expenses, respectively.

Charges for both periods presented were primarily recorded in the Company's DIS business.

The following table summarizes activity in the restructuring liability as of June 30, 2014:

	Employee Separation Costs			Facility-Related Costs			Total
Balance, December 31, 2013	$	31		$	5		$	36
Current period charges	14			4			18
Less:
Cash payments	(24		)	(2		)	(26		)
Balance, June 30, 2014	$	21		$	7		$	28

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EARNINGS PER SHARE (Tables)

6 Months Ended

Jun. 30, 2014

Earnings Per Share, Basic and Diluted [Abstract]

Schedule of Earnings Per Share, Basic and Diluted

The computation of basic and diluted earnings per common share was as follows (in millions, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Amounts attributable to Quest Diagnostics’ stockholders:
Income from continuing operations	$	133	$	152	$	237	$	268
Income from discontinued operations, net of taxes	—		13		—		33
Net income attributable to Quest Diagnostics’ common stockholders	$	133	$	165	$	237	$	301
Income from continuing operations	$	133	$	152	$	237	$	268
Less: Earnings allocated to participating securities	—		—		1		1
Earnings available to Quest Diagnostics’ common stockholders – basic and diluted	$	133	$	152	$	236	$	267
Weighted average common shares outstanding – basic	144		153		144		155
Effect of dilutive securities:
Stock options and performance share units	1		1		1		2
Weighted average common shares outstanding – diluted	145		154		145		157
Earnings per share attributable to Quest Diagnostics’ common stockholders – basic:
Income from continuing operations	$	0.92	$	0.99	$	1.64	$	1.72
Income from discontinued operations	—		0.08		—		0.21
Net income	$	0.92	$	1.07	$	1.64	$	1.93
Earnings per share attributable to Quest Diagnostics’ common stockholders – diluted:
Income from continuing operations	$	0.92	$	0.99	$	1.63	$	1.71
Income from discontinued operations	—		0.08		—		0.21
Net income	$	0.92	$	1.07	$	1.63	$	1.92

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share

The following securities were not included in the calculation of diluted earnings per share due to their antidilutive effect (shares in millions):

	Three Months Ended June 30,		Six Months Ended June 30,
	2014	2013	2014	2013
Stock options and performance share units	3	1	4	2

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COMMITMENTS AND CONTINGENCIES

6 Months Ended

Jun. 30, 2014

Commitments and Contingencies Disclosure [Abstract]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

The Company has a line of credit with a financial institution totaling $85 million for the issuance of letters of credit (the “Letter of Credit Line”). The Letter of Credit Line, which is renewed annually, matures on November 18, 2014.

In support of its risk management program, to ensure the Company’s performance or payment to third parties, $59 million in letters of credit were outstanding at June 30, 2014. The letters of credit primarily represent collateral for current workers’ compensation loss payments.

Contingent Lease Obligations

The Company is subject to contingent obligations under certain real estate leases that were entered into by certain predecessor companies of a subsidiary prior to the Company's acquisition of the subsidiary. No liability has been recorded for any of these potential contingent obligations. See Note 18 to the Consolidated Financial Statements contained in the Company’s 2013 Annual Report on Form 10-K for further details.

Legal Matters

The Company is involved in various legal proceedings. Some of the proceedings against the Company involve claims that could be substantial in amount.

In addition to the matters described below, in the normal course of business, the Company has been named, from time to time, as a defendant in various legal actions, including arbitrations, class actions and other litigation, arising in connection with the Company's activities as a provider of diagnostic testing, information and services. These legal actions may include lawsuits alleging negligence or other similar legal claims. These actions could involve claims for substantial compensatory and/or punitive damages or claims for indeterminate amounts of damages, and could have an adverse impact on the Company's client base and reputation.

The Company is also involved, from time to time, in other reviews, investigations and proceedings by governmental agencies regarding the Company's business, including, among other matters, operational matters, which may result in adverse judgments, settlements, fines, penalties, injunctions or other relief. The number of these reviews, investigations and proceedings has increased in recent years with regard to many firms in the healthcare services industry, including the Company.

In 2010, a purported class action entitled In re Celera Corp. Securities Litigation was filed in the United States District Court for the Northern District of California against Celera Corporation and certain of its directors and current and former officers. An amended complaint filed in October 2010 alleges that from April 2008 through July 22, 2009, the defendants made false and misleading statements regarding Celera's business and financial results with an intent to defraud investors. The complaint was further amended in 2011 to add allegations regarding a financial restatement. The amended complaint seeks unspecified damages on behalf of an alleged class of purchasers of Celera's stock during the period in which the alleged misrepresentations were made. The Company's motion to dismiss the complaint was denied. Celera and the director and officer defendants have reached a tentative agreement in principle to settle this action, which is subject to satisfactory documentation of the agreement and court approval. The settlement is expected to be fully covered by insurance.

In August 2011, the Company received a subpoena from the U.S. Attorney for the Northern District of Georgia seeking various business records, including records related to the Company's compliance program, certain marketing materials, certain product offerings, and test ordering and other policies. The Company is cooperating with the request.

In September 2009, the Company received a subpoena from the Michigan Attorney General's Office seeking documents relating to the Company's pricing and billing practices as they relate to Michigan's Medicaid program. The Company cooperated with the requests. In January 2012, the State of Michigan intervened as a plaintiff in a civil lawsuit, Michigan ex rel. Hunter Laboratories LLC v. Quest Diagnostics Incorporated, et al., filed in Michigan Superior Court. The suit, originally filed by a competitor laboratory, alleges that the Company overcharged Michigan's Medicaid program. The Company's motion to dismiss the complaint was denied.

In June 2010, the Company received a subpoena from the Florida Attorney General's Office seeking documents relating to the Company's pricing and billing practices as they relate to Florida’s Medicaid program. The Company cooperated with the requests. In November 2013, the State of Florida intervened as a plaintiff in a civil lawsuit, Florida ex rel. Hunter Laboratories LLC v. Quest Diagnostics Incorporated, et al., filed in Florida Circuit Court. The suit, originally filed by a competitor laboratory, alleges that the Company overcharged Florida’s Medicaid program. Hunter Laboratories LLC filed similar lawsuits in Georgia, Massachusetts, Nevada and Virginia; in each of those lawsuits, the state attorney general’s office has not intervened. The parties have settled the Massachusetts, Nevada and Georgia lawsuits and reached an agreement in principle to settle the Virginia lawsuit.

In July 2013, Biotechnology Value Fund, L.P. and others filed a lawsuit in the United States District Court for the Northern District of California against the Company, Celera, former directors of Celera and Credit Suisse Securities (USA) LLC (“Credit Suisse”) alleging, among other things, federal securities laws violations and breach of fiduciary duty claims against Celera, its directors and Credit Suisse. Following motions by the parties, the plaintiffs filed an amended complaint.

In October 2013, the Company commenced a lawsuit in the U.S. District Court for the Central District of California seeking a declaration that the Company’s BRCA1 and 2 tests do not infringe several patents of Myriad Genetics, Inc., or that the patents are invalid. Later that month, Myriad and its partners commenced a lawsuit in the U.S. District Court for the Central District of Utah against the Company alleging that the Company’s BRCA 1 and 2 tests infringed Myriad’s patents. Myriad moved to dismiss the Company’s lawsuit and to transfer all cases involving its BRCA 1 and 2 patents to the federal court in Utah. The Company moved to dismiss Myriad’s lawsuit. The Multidistrict Panel for Litigation consolidated for pre-trial proceedings in the U.S. District Court for the Central District of Utah all the litigation between the Company and Myriad regarding BRCA, and the parties withdrew their motions to dismiss without prejudice.

Berkeley HeartLab, Inc. (“BHL”), a Company subsidiary, received a subpoena from the Department of Health and Human Services regarding certain alleged business practices of BHL. In addition, the Company and BHL received civil investigative demands requesting responses to interrogatories. BHL and the Company are cooperating with the investigation.

The federal or state governments may bring claims based on the Company's current practices, which it believes are lawful. In addition, certain federal and state statutes, including the qui tam provisions of the federal False Claims Act, allow private individuals to bring lawsuits against healthcare companies on behalf of government or private payers. The Company is aware of certain pending individual or class action lawsuits, and has received several subpoenas, related to billing practices filed under the qui tam provisions of the Civil False Claims Act and/or other federal and state statutes, regulations or other laws. The Company understands that there may be other pending qui tam claims brought by former employees or other "whistle blowers" as to which the Company cannot determine the extent of any potential liability.

Management cannot predict the outcome of such matters. Although management does not anticipate that the ultimate outcome of such matters will have a material adverse effect on the Company's financial condition, given the high degree of judgment involved in establishing loss estimates related to these types of matters, the outcome of such matters may be material to the Company's results of operations or cash flows in the period in which the impact of such matters is determined or paid.

These matters are in different stages. Some of these matters are in their early stages. Matters may involve responding to and cooperating with various government investigations and related subpoenas. As of June 30, 2014, the Company believes that there are no losses related to the Legal Matters described above that are probable, or, if a loss is probable, it cannot be reasonably estimated. While the Company believes that a reasonable possibility exists that losses may have been incurred related to the Legal Matters described above, based on the nature and status of these matters, potential losses, if any, cannot be estimated.

Reserves for Legal Matters

Reserves for legal matters, other than those described above in "Legal Matters", totaled less than $6 million at both June 30, 2014 and December 31, 2013.

Reserves for General and Professional Liability Claims

As a general matter, providers of clinical testing services may be subject to lawsuits alleging negligence or other similar legal claims. These suits could involve claims for substantial damages. Any professional liability litigation could also have an adverse impact on the Company's client base and reputation. The Company maintains various liability insurance coverages for, among other things, claims that could result from providing, or failing to provide, clinical testing services, including inaccurate testing results, and other exposures. The Company's insurance coverage limits its maximum exposure on individual claims; however, the Company is essentially self-insured for a significant portion of these claims. Reserves for such matters, including those associated with both asserted and incurred but not reported claims, are established by considering actuarially determined losses based upon the Company's historical and projected loss experience. Such reserves totaled approximately $121 million as of both June 30, 2014 and December 31, 2013. Management believes that established reserves and present insurance coverage are sufficient to cover currently estimated exposures. Management cannot predict the outcome of any claims made against the Company. Although management does not anticipate that the ultimate outcome of any such proceedings or claims will have a material adverse effect on the Company's financial condition, given the high degree of judgment involved in establishing accruals for loss estimates related to these types of matters, the outcome may be material to the Company's results of operations or cash flows in the period in which the impact of such claims is determined or paid.

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DEBT

6 Months Ended

Jun. 30, 2014

Debt Instruments [Abstract]

DEBT

DEBT

Long-term debt at June 30, 2014 and December 31, 2013 consisted of the following:

	June 30, 2014		December 31, 2013
Floating Rate Senior Notes due March 2014	$	—	$	200
5.45% Senior Notes due November 2015	500		500
3.20% Senior Notes due April 2016	306		307
6.40% Senior Notes due July 2017	375		375
2.70% Senior Notes due April 2019	300		—
4.75% Senior Notes due January 2020	525		520
4.70% Senior Notes due April 2021	544		533
4.25% Senior Notes due April 2024	304		—
6.95% Senior Notes due July 2037	421		421
5.75% Senior Notes due January 2040	439		439
Other	49		37
Total long-term debt	3,763		3,332
Less: current portion of long-term debt	25		212
Total long-term debt, net of current portion	$	3,738	$	3,120

2014 Senior Notes Offering

In March 2014, the Company completed a $600 million senior notes offering (the “2014 Senior Notes”) that was sold in two tranches: (a) $300 million aggregate principal amount of 2.70% senior notes due April 2019; and (b) $300 million aggregate principal amount of 4.25% senior notes due April 2024, issued at a discount of $1 million. These senior notes are unsecured obligations of the Company and rank equally with the Company's other senior unsecured obligations. None of the Company's senior notes have a sinking fund requirement.

The Company incurred $5 million of costs associated with the 2014 Senior Notes, which is included in other assets and is being amortized over the term of the related debt.

Senior Unsecured Revolving Credit Facility

In April 2014, the Company amended and restated the agreement for the $750 million senior unsecured revolving credit facility (the “Credit Facility”) entered into in September 2011. The amended and restated Credit Facility matures in April 2019. Under the Credit Facility, the Company can issue letters of credit totaling $150 million. At June 30, 2014, letters of credit totaling less than $1 million were issued under the Credit Facility. Interest on the Credit Facility is based on certain published rates plus an applicable margin that will vary over a range from 75 basis points to 163 basis points based on changes in the Company's public debt ratings. At the option of the Company, it may elect to lock into LIBOR-based interest rates for periods up to six months. Interest on any outstanding amounts not covered under LIBOR-based interest rate contracts is based on an alternate base rate, which is calculated by reference to the prime rate, the federal funds rate or an adjusted LIBOR rate. At both June 30, 2014 and December 31, 2013, the Company's borrowing rate for LIBOR-based loans under the Credit Facility was LIBOR plus 1.125%. The Credit Facility contains various covenants, including the maintenance of certain financial ratios, which could impact the Company's ability to, among other things, incur additional indebtedness. At both June 30, 2014 and December 31, 2013, there were no outstanding borrowings under the Company’s senior unsecured revolving credit facility.

Maturities of Long-Term Debt

As of June 30, 2014, long-term debt matures as follows:

Year Ending December 31,
Remainder of 2014	$	9
2015	521
2016	309
2017	382
2018	3
2019	301
Thereafter	2,225
Total maturities of long-term debt	3,750
Unamortized discount	(21		)
Fair value basis adjustments attributable to hedged debt	34
Total long-term debt	3,763
Current portion of long-term debt	25
Total long-term debt, net of current portion	$	3,738

For further discussion regarding the Company's debt, see Note 13 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.

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FAIR VALUE MEASUREMENTS

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

FAIR VALUE MEASUREMENTS

FAIR VALUE MEASUREMENTS

The following table provides a summary of the recognized assets and liabilities that are measured at fair value on a recurring basis:

			Basis of Fair Value Measurements
			Quoted Prices in Active Markets for Identical Assets / Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
June 30, 2014			Level 1		Level 2		Level 3
Assets:
Trading securities	$	50	$	50	$	—	$	—
Cash surrender value of life insurance policies	30		—		30		—
Available-for-sale equity securities	12		12		—		—
Interest rate swaps	8		—		8		—
Put option	4		—		—		4
Total	$	104	$	62	$	38	$	4
Liabilities:
Deferred compensation liabilities	$	84	$	—	$	84	$	—
Contingent consideration	26		—		—		26
Interest rate swaps	18		—		18		—
Call option	8		—		—		8
Forward starting interest rate swaps	8		—		8		—
Total	$	144	$	—	$	110	$	34

			Basis of Fair Value Measurements
			Quoted Prices in Active Markets for Identical Assets / Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
December 31, 2013			Level 1		Level 2		Level 3
Assets:
Trading securities	$	50	$	50	$	—	$	—
Cash surrender value of life insurance policies	29		—		29		—
Put option	4		—		—		4
Forward starting interest rate swaps	2		—		2		—
Total	$	85	$	50	$	31	$	4
Liabilities:
Deferred compensation liabilities	$	84	$	—	$	84	$	—
Interest rate swaps	34		—		34		—
Call option	8		—		—		8
Total	$	126	$	—	$	118	$	8

A full description regarding the Company's fair value measurements is contained in Note 7 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

The fair value measurements of the Company's interest rate swaps and forward starting swaps are model-derived valuations as of a given date in which all significant inputs are observable in active markets including certain financial information and certain assumptions regarding past, present and future market conditions.

In connection with the acquisition of certain businesses of UMass, the Company granted to UMass a call option and UMass granted to the Company a put option for UMass to acquire an 18.90% equity interest in a newly formed entity. The put and call options are derivative instruments that have a remaining vesting period of approximately 9 months and their fair values have been measured using a combination of discounted cash flows and the Black-Scholes-Merton option pricing model. There were no material changes in the fair value measurements using significant unobservable inputs associated with the UMass put option derivative asset or the call option derivative liability at June 30, 2014.

In April 2014, and as further detailed in Note 5, the Company completed the acquisitions of Steward and Summit Health. In connection with these acquisitions the Company recorded an aggregate contingent consideration liability of $26 million. The contingent consideration liability was classified within Level 3 measured at fair value using a probability weighted and discounted cash flow method. These measurements are based on externally obtained inputs and management's probability assessments of the occurrence of triggering events, appropriately discounted considering the uncertainties associated with the obligations, as well as the likelihood of achieving financial targets. The current probability estimate of the occurrence of such triggering events associated with the amounts the Company could be obligated to pay in future periods is between 5% and 95%. The probability-weighted cash flows were then discounted using a discount rate between 1.5% and 2.8%. The contingent consideration associated with Summit Health is projected to be paid in the first quarter of 2016, with a maximum payment of $25 million. The contingent consideration associated with Steward is projected to be paid out in four equal annual installments beginning in 2015, with a maximum payout of $5 million in total.

Investment in available-for-sale equity securities represents an investment that the Company previously accounted for under the cost method as it consisted of common shares of a privately held entity. In April 2014, the Company's investee registered its shares through an initial public offering on the Euronext Paris exchange. As a result of the initial public offering, the Company reclassified the shares to an investment in available-for-sale equity securities. The Company's investment in available-for-sale equity securities is classified within Level 1 of the fair value hierarchy because the fair value is obtained from quoted prices in an active market.

The following table provides a reconciliation of the beginning and ending balances of the contingent consideration measured using significant and unobservable inputs:

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Contingent Consideration
Balance, December 31, 2013	$	—
Purchases, additions and issuances	26
Total gains (losses) - realized/ unrealized:
Included in earnings	—
Transfers in and out of Level 3	—
Balance, June 30, 2014	$	26

The carrying amounts of cash and cash equivalents, accounts receivable and accounts payable and accrued expenses approximate fair value based on the short maturities of these instruments. At June 30, 2014, the fair value of the Company’s debt was estimated at $4.3 billion, which exceeded the carrying value by $342 million. At December 31, 2013, the fair value of the Company's debt was estimated at $3.5 billion, which exceeded the carrying value by $184 million. Principally all of the Company's debt is classified within Level 1 of the fair value hierarchy because the fair value of the debt is estimated based on rates currently offered to the Company with identical terms and maturities, using quoted active market prices and yields, taking into account the underlying terms of the debt instruments.

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GOODWILL AND INTANGIBLE ASSETS

6 Months Ended

Jun. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

GOODWILL AND INTANGIBLE ASSETS

GOODWILL AND INTANGIBLE ASSETS

The changes in goodwill for the six months ended June 30, 2014 and for the year ended December 31, 2013 are as follows:

	June 30, 2014		December 31, 2013
Balance at beginning of period	$	5,649	$	5,536
Goodwill acquired during the period	375		150
Write-off associated with sale of a business during the period	—		(37		)
Balance at end of period	$	6,024	$	5,649

Principally all of the Company’s goodwill as of June 30, 2014 and December 31, 2013 is associated with its DIS business.

For the six months ended June 30, 2014, goodwill acquired was principally associated with the Solstas, Summit Health and Steward acquisitions, of which $104 million is deductible for tax purposes. Acquisitions during the year also resulted in $268 million of intangible assets, principally comprised of customer-related intangibles and trade names. For further details regarding business acquisitions, see Note 5.

For the year ended December 31, 2013, goodwill acquired was principally associated with the UMass, ATN, Dignity and ConVerge acquisitions, of which $135 million is deductible for tax purposes. These acquisitions also resulted in $108 million of intangible assets, principally comprised of customer-related intangibles. For further details regarding the Company's 2013 acquisitions, see Note 5 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

For the year ended December 31, 2013, $37 million of goodwill was written-off in conjunction with the sale of Enterix. For further details regarding the sale of Enterix, see Note 6 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

Intangible assets at June 30, 2014 and December 31, 2013 consisted of the following:

	Weighted Average Amortization Period (in years)	June 30, 2014							December 31, 2013
		Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Amortizing intangible assets:
Customer-related intangibles	18	$	927	$	(233	)	$	694	$	670	$	(210	)	$	460
Non-compete agreements	4	43		(32		)	11		43		(27		)	16
Technology	14	119		(33		)	86		119		(28		)	91
Other	8	152		(71		)	81		141		(57		)	84
Total	16	1,241		(369		)	872		973		(322		)	651
Intangible assets not subject to amortization:
Trade names		244		—			244		244		—			244
Other		1		—			1		1		—			1
Total intangible assets		$	1,486	$	(369	)	$	1,117	$	1,218	$	(322	)	$	896

Amortization expense related to intangible assets was $25 million and $20 million for the three months ended June 30, 2014 and 2013, respectively. For the six months ended June 30, 2014 and 2013, amortization expense related to intangible assets was $47 million and $39 million, respectively.

The estimated amortization expense related to amortizable intangible assets for each of the five succeeding fiscal years and thereafter as of June 30, 2014 is as follows:

Year Ending December 31,
Remainder of 2014	$	47
2015	84
2016	74
2017	71
2018	64
2019	62
Thereafter	470
Total	$	872

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FINANCIAL INSTRUMENTS

6 Months Ended

Jun. 30, 2014

Derivative Instruments and Hedging Activities Disclosure [Abstract]

FINANCIAL INSTRUMENTS

FINANCIAL INSTRUMENTS

The Company uses derivative financial instruments to manage its exposure to market risks for changes in interest rates and foreign currencies. This strategy includes the use of interest rate swap agreements, forward starting interest rate swap agreements, treasury lock agreements and foreign currency forward contracts to manage its exposure to movements in interest and currency rates. The Company has established policies and procedures for risk assessment and the approval, reporting and monitoring of derivative financial instrument activities. These policies prohibit holding or issuing derivative financial instruments for speculative purposes. The Company does not enter into derivative financial instruments that contain credit-risk-related contingent features or requirements to post collateral.

A summary of the fair values of derivative instruments in the consolidated balance sheets is stated in the table below:

	June 30, 2014				December 31, 2013
	Balance Sheet Classification	Fair Value			Balance Sheet Classification	Fair Value
Derivatives Designated as Hedging Instruments
Asset Derivatives:
Interest rate swaps	Other assets	$	8		Other assets	$	—
Forward starting interest rate swaps	Other assets	—			Other assets	2
Total Asset Derivatives		8				2
Liability Derivatives:
Interest rate swaps	Other liabilities	18			Other liabilities	34
Forward starting interest rate swaps	Other liabilities	8			Other liabilities	—
Total Liability Derivatives		26				34
Derivatives Not Designated as Hedging Instruments
Asset Derivatives:
Put option	Prepaid expenses and other current assets	4			Other assets	4
Liability Derivatives:
Call option	Accounts payable and accrued expenses	8			Other liabilities	8
Total Net Derivatives Liabilities		$	(22	)		$	(36	)

A full description regarding the Company's use of derivative financial instruments is contained in Note 14 to the consolidated financial statements in the Company's 2013 Annual Report on Form 10-K.    

Interest Rate Risk

The Company is exposed to interest rate risk on its cash and cash equivalents and its debt obligations. Interest income earned on cash and cash equivalents may fluctuate as interest rates change; however, due to their relatively short maturities, the Company does not hedge these assets or their investment cash flows and the impact of interest rate risk is not material. The Company's debt obligations consist of fixed-rate and variable-rate debt instruments. The Company's primary objective is to achieve the lowest overall cost of funding while managing the variability in cash outflows within an acceptable range. In order to achieve this objective, the Company has entered into interest rate swaps. Interest rate swaps involve the periodic exchange of payments without the exchange of underlying principal or notional amounts. Net settlements between the counterparties are recognized as an adjustment to interest expense.

Interest Rate Derivatives – Cash Flow Hedges

In March 2014, the Company entered into interest rate lock agreements with several financial institutions for a total notional amount of $175 million (the "Treasury Lock Agreements"). The Treasury Lock Agreements, which had an original maturity date of March 28, 2014, were entered into to hedge part of the Company's interest rate exposure associated with the variability in future cash flows attributable to changes in the five-year U.S. treasury rates related to the planned issuance of debt securities. In connection with the Company's senior notes offering in March 2014 (see note 8), the Company settled the Treasury Lock Agreements, which were accounted for as cash flow hedges. The loss on settlement of the Treasury Lock Agreements was not material. During the fourth quarter of 2013 and the first quarter of 2014, the Company entered into various forward starting interest rate swap agreements (the "Forward Starting Interest Rate Swap Agreements") for an aggregate notional amount of $150 million. The Forward Starting Interest Rate Swap Agreements have fixed interest rates ranging from 3.570% to 3.788%. The Forward Starting Interest Rate Swap Agreements are 21 to 24 month forward agreements that cover a ten-year hedging period and were entered into to hedge part of the Company's interest rate exposure associated with forecasted new debt issuances related to the refinancing of certain debt maturing through 2016. Through time the Company has entered into various interest rate lock agreements and forward starting interest rate swap agreements to hedge part of the Company's interest rate exposure associated with the variability in future cash flows attributable to changes in interest rates. The total net loss, net of taxes, recognized in accumulated other comprehensive loss, related to the Company's cash flow hedges as of June 30, 2014 and December 31, 2013 was $10 million and $5 million, respectively. The loss recognized on the Company's cash flow hedges for the three and six months ended June 30, 2014 and 2013, as a result of ineffectiveness, was not material. The net amount of deferred losses on cash flow hedges that is expected to be reclassified from accumulated other comprehensive loss into interest expense within the next twelve months is $1 million.

Interest Rate Derivatives – Fair Value Hedges

The Company maintains various fixed-to-variable interest rate swaps to convert a portion of the Company's long-term debt into variable interest rate debt. In July 2012, the Company entered into fixed-to-variable interest rate swap agreements on a portion of the Senior Notes due 2016 and 2020. These interest rate swap agreements have an aggregate notional amount of $550 million and variable interest rates based on six-month LIBOR plus 2.3% and one-month LIBOR plus 3.6%. During the fourth quarter of 2012, the Company entered into additional fixed-to-variable interest rate swap agreements with an aggregate notional amount of $400 million and variable interest rates based on one-month LIBOR plus a spread ranging from 3.4% to 5.1%. These derivative financial instruments are accounted for as fair value hedges on a portion of the Senior Notes due 2015 and a portion of the Senior Notes due 2021. In November 2013, the Company terminated the interest rate swaps associated with the Senior Notes due 2015 and concurrently entered into additional fixed-to-variable interest rate swaps agreements. The fixed-to-variable interest rate swap agreements entered into in November 2013 have an aggregate notional amount of $200 million and variable interest rates based on one-month LIBOR plus a spread ranging from 2.45% to 2.46% and are accounted for as fair value hedges on a portion of the Senior Notes due 2021. In March 2014, the Company entered into various fixed-to-variable interest rate swap agreements which have a notional amount of $250 million and variable interest rates based on one-month LIBOR plus a spread ranging from 1.54% to 1.59% and are accounted for as fair value hedges of a portion of the Senior Notes due 2024.

The interest rate swaps associated with the Senior Notes due 2020 and those associated with a portion of the Senior Notes due 2021 are classified as liabilities with an aggregate fair value of $18 million at June 30, 2014. The interest rate swaps associated with the Senior Notes due 2016, the Senior Notes due 2024, and those associated with an additional portion of Senior Notes due 2021 are classified as assets with an aggregate fair value of $8 million at June 30, 2014. The interest rate swaps associated with the Senior Notes due 2016, 2020, and 2021 are classified as liabilities with an aggregate fair value of $34 million at December 31, 2013. Since inception, the fair value hedges have been highly effective; therefore, there is no impact on earnings for the three and six months ended June 30, 2014 and 2013 as a result of hedge ineffectiveness.

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RESTRUCTURING ACTIVITIES (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including equity component	$ 10	$ 9	$ 19	$ 44
Cost of Services [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including equity component	4	4	12	17
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges, including equity component	6	5	7	27
Other Restructuring Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs		8
Voluntary Retirement Program [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs				4
Management Layer Reduction Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Employee separation costs				$ 19

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SUPPLEMENTAL CASH FLOW & OTHER DATA (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Supplemental Cash Flow Elements [Abstract]
Depreciation expense	$ 56	$ 52	$ 109	$ 103
Amortization expense	25	20	47	39
Interest paid	30	32	82	84
Income taxes paid	129	121	138	205
Assets acquired under capital leases	8	2	10	2
Increase in accounts payable associated with capital expenditures	33	0	12	0
Fair value of assets acquired	199	90	845	241
Fair value of liabilities assumed	12	0	82	11
Fair value of net assets acquired	187	90	763	230
Merger consideration paid (payable), net	(30)		(30)	(50)
Cash paid for business acquisitions	157	90	733	180
Less: Cash acquired	1	0	10	0
Business acquisitions, net of cash acquired	$ 156	$ 90	$ 723	$ 180

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BUSINESS SEGMENT INFORMATION

6 Months Ended

Jun. 30, 2014

Segment Reporting [Abstract]

BUSINESS SEGMENT INFORMATION

BUSINESS SEGMENT INFORMATION

The clinical testing that the Company performs is an essential element in the delivery of healthcare services. Physicians use clinical testing to assist in detection, diagnosis, evaluation, monitoring and treatment of diseases and other medical conditions.

The Company's DIS business provides insights through clinical testing and related services that empower and enable patients, physicians, hospitals, integrated delivery networks, health plans, employers and others to make better healthcare decisions. The Company provides clinical testing, including routine testing, gene-based and esoteric testing, anatomic pathology services and drugs-of-abuse testing, as well as related services and insights. Customers of the DIS business include patients, physicians, hospitals, employers, governmental institutions and other commercial clinical laboratories. The DIS business accounted for greater than 90% of net revenues from continuing operations in 2014 and 2013.

All other operating segments are included in the Company's DS business and consist of its risk assessment services, clinical trials testing, diagnostic products and healthcare information technology businesses. The Company's DS business offers a variety of solutions for life insurers, healthcare providers and others. The Company provides risk assessment services for the life insurance industry and the Company also provides testing for clinical trials. In addition, the Company offers healthcare organizations and clinicians robust information technology solutions, and diagnostic products, including test kits.

During the first quarter of 2014, the Company acquired Solstas. During the second quarter of 2014, the Company acquired Summit Health and Steward. Solstas, Summit Health and Steward are included in the Company's DIS business. See Note 5 for further details regarding business acquisitions.

On April 19, 2006, the Company decided to discontinue NID’s operations. The Company completed the sale of OralDNA in the fourth quarter of 2012 and completed the sale of HemoCue in the second quarter of 2013. The results of operations for NID, OralDNA and HemoCue have been classified as discontinued operations for all periods presented. See Note 13 for further details regarding discontinued operations.

At June 30, 2014, substantially all of the Company’s services are provided within the United States, and substantially all of the Company’s assets are located within the United States.

The following table is a summary of segment information for the three and six months ended June 30, 2014 and 2013. Segment asset information is not presented since it is not used by the chief operating decision maker at the operating segment level. Operating earnings (loss) of each segment represents net revenues less directly identifiable expenses to arrive at operating income for the segment. General corporate activities included in the table below are comprised of general management and administrative corporate expenses, amortization of intangibles assets and other miscellaneous operating income and expenses, net of certain general corporate activity costs that are allocated to the DIS and DS businesses. The accounting policies of the segments are the same as those of the Company as set forth in Note 2 to the consolidated financial statements contained in the Company’s 2013 Annual Report on Form 10-K and Note 2 to the interim unaudited consolidated financial statements.

	Three Months Ended June 30,						Six Months Ended June 30,
	2014			2013			2014			2013
Net revenues:
DIS business	$	1,763		$	1,674		$	3,377		$	3,323
All other operating segments	139			141			271			279
Total net revenues	$	1,902		$	1,815		$	3,648		$	3,602
Operating earnings (loss):
DIS business	$	293		$	323		$	524		$	593
All other operating segments	22			17			40			31
General corporate activities	(53		)	(51		)	(94		)	(108		)
Total operating income	262			289			470			516
Non-operating expenses, net	(33		)	(33		)	(65		)	(63		)
Income from continuing operations before taxes	229			256			405			453
Income tax expense	87			95			152			168
Income from continuing operations	142			161			253			285
Income from discontinued operations, net of taxes	—			13			—			33
Net income	142			174			253			318
Less: Net income attributable to noncontrolling interests	9			9			16			17
Net income attributable to Quest Diagnostics	$	133		$	165		$	237		$	301

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FAIR VALUE MEASUREMENTS (Tables)

6 Months Ended

Jun. 30, 2014

Fair Value Disclosures [Abstract]

Fair Value, Measurement Inputs, Disclosure [Text Block]

The following table provides a summary of the recognized assets and liabilities that are measured at fair value on a recurring basis:

			Basis of Fair Value Measurements
			Quoted Prices in Active Markets for Identical Assets / Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
June 30, 2014			Level 1		Level 2		Level 3
Assets:
Trading securities	$	50	$	50	$	—	$	—
Cash surrender value of life insurance policies	30		—		30		—
Available-for-sale equity securities	12		12		—		—
Interest rate swaps	8		—		8		—
Put option	4		—		—		4
Total	$	104	$	62	$	38	$	4
Liabilities:
Deferred compensation liabilities	$	84	$	—	$	84	$	—
Contingent consideration	26		—		—		26
Interest rate swaps	18		—		18		—
Call option	8		—		—		8
Forward starting interest rate swaps	8		—		8		—
Total	$	144	$	—	$	110	$	34

			Basis of Fair Value Measurements
			Quoted Prices in Active Markets for Identical Assets / Liabilities		Significant Other Observable Inputs		Significant Unobservable Inputs
December 31, 2013			Level 1		Level 2		Level 3
Assets:
Trading securities	$	50	$	50	$	—	$	—
Cash surrender value of life insurance policies	29		—		29		—
Put option	4		—		—		4
Forward starting interest rate swaps	2		—		2		—
Total	$	85	$	50	$	31	$	4
Liabilities:
Deferred compensation liabilities	$	84	$	—	$	84	$	—
Interest rate swaps	34		—		34		—
Call option	8		—		—		8
Total	$	126	$	—	$	118	$	8

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]

The following table provides a reconciliation of the beginning and ending balances of the contingent consideration measured using significant and unobservable inputs:

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)
	Contingent Consideration
Balance, December 31, 2013	$	—
Purchases, additions and issuances	26
Total gains (losses) - realized/ unrealized:
Included in earnings	—
Transfers in and out of Level 3	—
Balance, June 30, 2014	$	26

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FINANCIAL INSTRUMENTS (Summary of Fair Value of Derivatives) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Derivative [Line Items]
Total Net Derivatives Liabilities	$ (22)	$ (36)
Designated as Hedging Instrument [Member]
Derivative [Line Items]
Asset Derivatives	8	2
Liability Derivatives	26	34
Other Assets [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivative [Line Items]
Asset Derivatives	8	0
Other Assets [Member] | Designated as Hedging Instrument [Member] | Forward Contracts [Member]
Derivative [Line Items]
Asset Derivatives	0	2
Other Assets [Member] | Not Designated as Hedging Instrument [Member] | Put Option [Member]
Derivative [Line Items]
Asset Derivatives	4	4
Other Liabilities [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swaps [Member]
Derivative [Line Items]
Liability Derivatives	18	34
Other Liabilities [Member] | Designated as Hedging Instrument [Member] | Forward Contracts [Member]
Derivative [Line Items]
Liability Derivatives	8	0
Other Liabilities [Member] | Not Designated as Hedging Instrument [Member] | Call Option [Member]
Derivative [Line Items]
Liability Derivatives	$ 8	$ 8

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FAIR VALUE MEASUREMENTS (Recognized Assets and Liabilities at Fair Value) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Business Combination, Contingent Consideration Liability to be Paid	$ 26
Recurring Basis [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	50	50
Cash surrender value of life insurance policies	30	29
Available-for-sale equity securities	12
Total assets	104	85
Deferred compensation liabilities	84	84
Business Combination, Contingent Consideration Liability to be Paid	26
Total liabilities	144	126
Recurring Basis [Member] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities	50	50
Cash surrender value of life insurance policies
Available-for-sale equity securities	12
Total assets	62	50
Deferred compensation liabilities
Business Combination, Contingent Consideration Liability to be Paid	0
Total liabilities
Recurring Basis [Member] | Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities
Cash surrender value of life insurance policies	30	29
Available-for-sale equity securities
Total assets	38	31
Deferred compensation liabilities	84	84
Business Combination, Contingent Consideration Liability to be Paid	0
Total liabilities	110	118
Recurring Basis [Member] | Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Trading securities
Cash surrender value of life insurance policies
Available-for-sale equity securities	0
Total assets	4	4
Deferred compensation liabilities
Business Combination, Contingent Consideration Liability to be Paid	26
Total liabilities	34	8
Recurring Basis [Member] | Put Option [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	4	4
Recurring Basis [Member] | Put Option [Member] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset
Recurring Basis [Member] | Put Option [Member] | Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	0	0
Recurring Basis [Member] | Put Option [Member] | Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	4	4
Recurring Basis [Member] | Interest Rate Swaps [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	8
Derivative instruments, liabilities	18	34
Recurring Basis [Member] | Interest Rate Swaps [Member] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset
Derivative instruments, liabilities
Recurring Basis [Member] | Interest Rate Swaps [Member] | Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset	8
Derivative instruments, liabilities	18	34
Recurring Basis [Member] | Interest Rate Swaps [Member] | Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset
Derivative instruments, liabilities
Recurring Basis [Member] | Call Option [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities	8	8
Recurring Basis [Member] | Call Option [Member] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities
Recurring Basis [Member] | Call Option [Member] | Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities		0
Recurring Basis [Member] | Call Option [Member] | Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative instruments, liabilities	8	8
Recurring Basis [Member] | Forward Contracts [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset		2
Derivative instruments, liabilities	8
Recurring Basis [Member] | Forward Contracts [Member] | Quoted Prices in Active Markets for Identical Assets / Liabilities, Level 1 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset
Derivative instruments, liabilities
Recurring Basis [Member] | Forward Contracts [Member] | Significant Other Observable Inputs, Level 2 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset		2
Derivative instruments, liabilities	8
Recurring Basis [Member] | Forward Contracts [Member] | Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative asset
Derivative instruments, liabilities

XML

CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Millions, except Per Share data, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 271	$ 236
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	600	600
Common stock, shares, issued	215	215
Treasury stock, shares	71	71

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EARNINGS PER SHARE

6 Months Ended

Jun. 30, 2014

Earnings Per Share, Basic and Diluted [Abstract]

EARNINGS (LOSS) PER SHARE

EARNINGS PER SHARE

The computation of basic and diluted earnings per common share was as follows (in millions, except per share data):

	Three Months Ended June 30,				Six Months Ended June 30,
	2014		2013		2014		2013
Amounts attributable to Quest Diagnostics’ stockholders:
Income from continuing operations	$	133	$	152	$	237	$	268
Income from discontinued operations, net of taxes	—		13		—		33
Net income attributable to Quest Diagnostics’ common stockholders	$	133	$	165	$	237	$	301
Income from continuing operations	$	133	$	152	$	237	$	268
Less: Earnings allocated to participating securities	—		—		1		1
Earnings available to Quest Diagnostics’ common stockholders – basic and diluted	$	133	$	152	$	236	$	267
Weighted average common shares outstanding – basic	144		153		144		155
Effect of dilutive securities:
Stock options and performance share units	1		1		1		2
Weighted average common shares outstanding – diluted	145		154		145		157
Earnings per share attributable to Quest Diagnostics’ common stockholders – basic:
Income from continuing operations	$	0.92	$	0.99	$	1.64	$	1.72
Income from discontinued operations	—		0.08		—		0.21
Net income	$	0.92	$	1.07	$	1.64	$	1.93
Earnings per share attributable to Quest Diagnostics’ common stockholders – diluted:
Income from continuing operations	$	0.92	$	0.99	$	1.63	$	1.71
Income from discontinued operations	—		0.08		—		0.21
Net income	$	0.92	$	1.07	$	1.63	$	1.92

The following securities were not included in the calculation of diluted earnings per share due to their antidilutive effect (shares in millions):

	Three Months Ended June 30,		Six Months Ended June 30,
	2014	2013	2014	2013
Stock options and performance share units	3	1	4	2

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GOODWILL AND INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Goodwill, Net

The changes in goodwill for the six months ended June 30, 2014 and for the year ended December 31, 2013 are as follows:

	June 30, 2014		December 31, 2013
Balance at beginning of period	$	5,649	$	5,536
Goodwill acquired during the period	375		150
Write-off associated with sale of a business during the period	—		(37		)
Balance at end of period	$	6,024	$	5,649

Intangible Assets Excluding Goodwill

Intangible assets at June 30, 2014 and December 31, 2013 consisted of the following:

	Weighted Average Amortization Period (in years)	June 30, 2014							December 31, 2013
		Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Amortizing intangible assets:
Customer-related intangibles	18	$	927	$	(233	)	$	694	$	670	$	(210	)	$	460
Non-compete agreements	4	43		(32		)	11		43		(27		)	16
Technology	14	119		(33		)	86		119		(28		)	91
Other	8	152		(71		)	81		141		(57		)	84
Total	16	1,241		(369		)	872		973		(322		)	651
Intangible assets not subject to amortization:
Trade names		244		—			244		244		—			244
Other		1		—			1		1		—			1
Total intangible assets		$	1,486	$	(369	)	$	1,117	$	1,218	$	(322	)	$	896

Future Amortization Expense Intangible Assets

The estimated amortization expense related to amortizable intangible assets for each of the five succeeding fiscal years and thereafter as of June 30, 2014 is as follows:

Year Ending December 31,
Remainder of 2014	$	47
2015	84
2016	74
2017	71
2018	64
2019	62
Thereafter	470
Total	$	872

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BUSINESS ACQUISITION (Consideration Paid) (Details) (USD $) In Millions, unless otherwise specified				0 Months Ended		0 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Dec. 31, 2012	Apr. 18, 2014 Summit Health, Inc. [Member]	Apr. 18, 2014 Summit Health, Inc. [Member]	Mar. 07, 2014 Solstas Lab Parnters Group [Member]	Apr. 18, 2014 Customer Relationships [Member] Summit Health, Inc. [Member]	Mar. 07, 2014 Customer Relationships [Member] Solstas Lab Parnters Group [Member]	Apr. 18, 2014 Computer Software, Intangible Asset [Member] Summit Health, Inc. [Member]	Mar. 07, 2014 Computer Software, Intangible Asset [Member] Solstas Lab Parnters Group [Member]	Apr. 18, 2014 Trade Names [Member] Summit Health, Inc. [Member]	Mar. 07, 2014 Trade Names [Member] Solstas Lab Parnters Group [Member]
Business Acquisition [Line Items]
Cash consideration paid				$ 124		$ 572
Business Combination, Contingent Consideration Fair Value				22		0
Business Combination, Acquisition Related Costs				5		0
Cash paid for acquisition				151		572
Cash and cash equivalents					1	9
Accounts receivable, net					11	48
Current deferred income taxes					0	7
Other current assets					16	13
Property, plant and equipment, net					6	48
Goodwill	6,024	5,649	5,536		89	266
Finite-lived Intangible Assets Acquired							33	203	3	0	2	7
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life							15 years	20 years	4 years		1 year	2 years
Total intangible assets					38	210
Non-current deferred income taxes - Assets					0	42
Total assets acquired					161	643
Current liabilities					10	59
Non-current deferred income taxes - liabilities					0	4
Other non-current liabilities					0	8
Total liabilities assumed					10	71
Net assets acquired					$ 151	$ 572

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DISCONTINUED OPERATIONS

6 Months Ended

Jun. 30, 2014

Discontinued Operations [Abstract]

DISCONTINUED OPERATIONS

DISCONTINUED OPERATIONS

Results of operations for OralDNA, HemoCue and NID have been reported as discontinued operations for the three and six months ended June 30, 2014 and 2013.

Discontinued operations, net of taxes, for the three and six months ended June 30, 2013 includes a gain of $13 million (including foreign currency translation adjustments, partially offset by income tax expense and transaction costs) associated with the sale of HemoCue. In addition, income from discontinued operations, net of taxes for the six months ended June 30, 2013, includes discrete tax benefits of $20 million associated with favorable resolution of certain tax contingencies related to the Company's NID business.

Summarized financial information for the discontinued operations is as follows:

	Three Months Ended June 30,					Six Months Ended June 30,
	2014		2013			2014		2013
Net revenues	$	—	$	3		$	—	$	28
Income from discontinued operations before taxes	—		21			—		22
Income tax (expense) benefit	—		(8		)	—		11
Income from discontinued operations, net of taxes	$	—	$	13		$	—	$	33

The remaining balance sheet information related to HemoCue, OralDNA and NID was not material at June 30, 2014 and December 31, 2013.