Original pricing of senior unsecured note at issuance expressed as a percentage of par value.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
-Paragraph 8
-URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=49170532&loc=d3e12317-112629

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Balance Type:	credit
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- Definition

The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
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Balance Type:	credit
Period Type:	duration

- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Debt Senior Unsecured Notes (Details) € in Millions								1 Months Ended		3 Months Ended	12 Months Ended
Debt Senior Unsecured Notes (Details) € in Millions	Sep. 20, 2016 USD ($)	Sep. 15, 2016 USD ($)	Nov. 19, 2015 USD ($)	Mar. 10, 2015 USD ($)	Mar. 03, 2014 USD ($)	Feb. 14, 2013 USD ($)	May 17, 2011 USD ($)	Mar. 31, 2015 USD ($)	Mar. 31, 2014 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Sep. 15, 2016 EUR (€)	Mar. 10, 2015 EUR (€)
Debt Instrument [Line Items]
Senior Notes Net Proceeds							$ 1,000,000,000
Loss on extinguishment of debt										$ (73,000,000)	$ 0	$ (73,000,000)	$ (58,000,000)
Senior Notes \| Senior Notes, 5.875% Due 2019
Debt Instrument [Line Items]
Senior notes issued							$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage							5.875%
Debt Instrument, Maturity Date							May 15, 2019
Loss on extinguishment of debt														$ (33,000,000)
Senior Notes \| Senior Notes, 6.125% Due 2021
Debt Instrument [Line Items]
Senior notes issued							$ 500,000,000
Debt Instrument, Interest Rate, Stated Percentage							6.125%
Debt Instrument, Maturity Date							May 15, 2021
Extinguishment of Debt, Amount								$ 500,000,000	$ 500,000,000
Loss on extinguishment of debt													$ (52,000,000)
Senior Notes \| Senior Notes, 5.00% Due 2023
Debt Instrument [Line Items]
Senior notes issued						$ 800,000,000
Debt Instrument, Interest Rate, Stated Percentage						5.00%
Debt Instrument, Maturity Date						Feb. 15, 2023
Extinguishment of Debt, Amount												800,000,000
Loss on extinguishment of debt												$ (70,000,000)
Payments of debt issuance costs						$ 12,000,000
Senior Notes \| Senior Notes, 4.150% Due 2024
Debt Instrument [Line Items]
Senior notes issued					$ 700,000,000
Debt Instrument, Interest Rate, Stated Percentage					4.15%						4.15%
Debt Instrument, Maturity Date					Mar. 15, 2024						Mar. 15, 2024
Payments of debt issuance costs					$ 6,000,000
Debt Instrument, Price					99.649%
Debt Instrument, Interest Rate, Effective Percentage					4.193%
Senior Notes \| Euro-Denominated Senior Notes, 1.500% Due 2025
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage											1.50%					1.50%
Debt Instrument, Maturity Date				Mar. 10, 2025							Mar. 10, 2025
Payments of debt issuance costs				$ 5,000,000
Debt Instrument, Price																99.54%
Debt Instrument, Interest Rate, Effective Percentage																1.55%
Senior Notes \| Euro-Denominated Senior Notes, 1.500% Due 2025 \| Designated as Hedging Instrument \| Net Investment Hedging
Debt Instrument [Line Items]
Senior notes issued \| €																€ 700
Senior Notes \| 2015 Senior Notes
Debt Instrument [Line Items]
Senior notes issued			$ 1,300,000,000
Payments of debt issuance costs			8,000,000
Senior Notes \| Senior Notes, 3.15% Due 2020
Debt Instrument [Line Items]
Senior notes issued			$ 650,000,000
Debt Instrument, Interest Rate, Stated Percentage			3.15%								3.15%
Debt Instrument, Maturity Date			Nov. 19, 2020								Nov. 19, 2020
Debt Instrument, Price			99.784%
Debt Instrument, Interest Rate, Effective Percentage			3.197%
Senior Notes \| Senior Notes, 4.25% Due 2026
Debt Instrument [Line Items]
Senior notes issued			$ 650,000,000
Debt Instrument, Interest Rate, Stated Percentage			4.25%								4.25%
Debt Instrument, Maturity Date			Jan. 15, 2026								Jan. 15, 2026
Debt Instrument, Price			99.942%
Debt Instrument, Interest Rate, Effective Percentage			4.256%
Senior Notes \| Euro-denominated Senior Notes, 1.600% Due 2028
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage											1.60%				1.60%
Debt Instrument, Maturity Date		Sep. 15, 2028									Sep. 15, 2028
Payments of debt issuance costs		$ 4,000,000
Debt Instrument, Price															99.88%
Debt Instrument, Interest Rate, Effective Percentage															1.61%
Senior Notes \| Euro-denominated Senior Notes, 1.600% Due 2028 \| Designated as Hedging Instrument \| Net Investment Hedging
Debt Instrument [Line Items]
Senior notes issued \| €															€ 500
Senior Notes \| Senior Notes, 4.400% Due 2046
Debt Instrument [Line Items]
Senior notes issued	$ 300,000,000
Debt Instrument, Interest Rate, Stated Percentage	4.40%										4.40%
Debt Instrument, Maturity Date	Oct. 01, 2046										Oct. 01, 2046
Payments of debt issuance costs	$ 3,000,000
Debt Instrument, Price	99.45%
Debt Instrument, Interest Rate, Effective Percentage	4.43%