Gain (Loss) on Escrow Recovery

No definition available.

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- Definition

Quarterly Financial Data [Line Items]

+ References

No definition available.

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- Definition

Combined restructuring and integration charges, which may include professional fees, incurred in connection with further restructuring and integrating the Company.

+ References

No definition available.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
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-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
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- Definition

Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Deferred Tax Expense (or Benefit)
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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section I
-Subsection 7

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- Definition

Gain (loss) from sale or disposal of an organization or integrated set of activities (for example, but not limited to, a partnership or corporation) engaged in providing a product or service in a commercial, industrial, or professional environment.

+ References

No definition available.

+ Details

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 50
-Section 40
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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
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-Publisher FASB
-Name Accounting Standards Codification
-Glossary Income Tax Expense (or Benefit)
-URI http://asc.fasb.org/extlink&oid=6515339

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- Definition

The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.3)
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- Definition

The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

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Quarterly Operating Results (unaudited) (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended								12 Months Ended
	May 13, 2016	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Quarterly Financial Data [Line Items]
Restructuring and integration charges		$ 24	$ 18	$ 19	$ 21	$ 22	$ 34	$ 23	$ 31
Pre-tax gain (loss) recognized										$ 118	$ 334	$ 0
Gain on escrow recovery			21
Deferred income tax expense (benefit)										37	112	23
Income tax (benefit) expense										429	373	$ 262
Subsidiaries [Member]
Quarterly Financial Data [Line Items]
Deferred income tax expense (benefit)						(58)					$ (58)
Clinical Trials [Member]
Quarterly Financial Data [Line Items]
Pre-tax gain (loss) recognized							334
Summit Health, Inc. [Member]
Quarterly Financial Data [Line Items]
Business acquisition, decrease of contingent consideration								13
Focus Diagnostics Products [Member] \| Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Quarterly Financial Data [Line Items]
Pre-tax gain (loss) recognized				118						118
Deferred income tax expense (benefit)	$ (7)									(7)
Income tax (benefit) expense	$ 84									$ 84
Retirement of Debt [Member]
Quarterly Financial Data [Line Items]
Losses on extinguishment of debt					48			65	79
Cost of Services [Member]
Quarterly Financial Data [Line Items]
Restructuring and integration charges		15	8	10	7	12	20	11	20
Selling, general and administrative [Member]
Quarterly Financial Data [Line Items]
Restructuring and integration charges		7	$ 10	8	12	10	9	12	11
Selling, general and administrative [Member] \| Legal Matters [Member]
Quarterly Financial Data [Line Items]
Legal costs				1	2	10		5	2
Other Operating (Income) Expense [Member]
Quarterly Financial Data [Line Items]
Restructuring and integration charges		1
Impairment charges		6			1	$ 11		$ 5	$ 8
Non-cash Asset Impairment Charges [Member]
Quarterly Financial Data [Line Items]
Non-cash asset impairment charges				6	1
Equity in Earnings of Equity Method Investees [Member]
Quarterly Financial Data [Line Items]
Restructuring and integration charges		$ 1		$ 1	$ 2		$ 5