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- Definition

Long-term Debt, Gross, Current Maturities

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Long-term Debt, Gross, Excluding Current Maturities

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Long-term Debt, Principal Outstanding [Abstract]

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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

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- Definition

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

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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.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt, classified as current. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Debt - Summary of Outstanding Debt (Details) $ in Millions	3 Months Ended
Debt - Summary of Outstanding Debt (Details) $ in Millions	Mar. 31, 2019 EUR (€)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 EUR (€)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Short-term debt		$ 125		$ 89
Principal outstanding
Total long-term debt		8,979		8,667
Less: current maturities		(83)		(81)
Total long-term debt, less current maturities		8,896		8,586
Carrying amount
Total long-term debt		8,897		8,574
Less: current maturities		(83)		(81)
Total long-term debt, less current maturities		8,814		8,493
Senior Secured Borrowings \| U.S. dollar at LIBOR 1.75% due 2022
Principal outstanding
Total long-term debt		810		815
Carrying amount
Total long-term debt		806		810
Senior Secured Borrowings \| U.S. dollar at LIBOR 2.00% due 2025
Principal outstanding
Total long-term debt		617		887
Carrying amount
Total long-term debt		607		864
Senior Secured Borrowings \| Euro at EURIBOR 1.75% due 20221
Principal outstanding
Total long-term debt		293		301
Carrying amount
Total long-term debt		293		301
Debt Instrument, Face Amount \| €	€ 261,000,000		€ 263,000,000
Senior Secured Borrowings \| Euro at EURIBOR 2.375% due 20252
Principal outstanding
Total long-term debt		835		855
Carrying amount
Total long-term debt		823		846
Debt Instrument, Face Amount \| €	€ 744,000,000		€ 746,000,000
Senior Notes and Debentures \| €650 at 4.0% due 2022
Principal outstanding
Total long-term debt		729		745
Carrying amount
Total long-term debt		$ 724		740
Debt instrument stated percentage	4.00%	4.00%
Debt Instrument, Face Amount \| €	€ 650,000,000
Senior Notes and Debentures \| U. S. dollar at 4.50% due 2023
Principal outstanding
Total long-term debt		$ 1,000		1,000
Carrying amount
Total long-term debt		$ 994		993
Debt instrument stated percentage	4.50%	4.50%
Senior Notes and Debentures \| €335 at 2.250% due 2023
Principal outstanding
Total long-term debt		$ 376		384
Carrying amount
Total long-term debt		$ 371		380
Debt instrument stated percentage	2.25%	2.25%
Debt Instrument, Face Amount \| €	€ 335,000,000
Senior Notes and Debentures \| €600 at 2.625% due 2024
Principal outstanding
Total long-term debt		$ 673		688
Carrying amount
Total long-term debt		$ 667		682
Debt instrument stated percentage	2.625%	2.625%
Debt Instrument, Face Amount \| €	€ 600,000,000
Senior Notes and Debentures \| €600 at 3.375% due 2025
Principal outstanding
Total long-term debt		$ 673		688
Carrying amount
Total long-term debt		$ 667		681
Debt instrument stated percentage	3.375%	3.375%
Debt Instrument, Face Amount \| €	€ 600,000,000
Senior Notes and Debentures \| U.S. dollar at 4.25% due 2026
Principal outstanding
Total long-term debt		$ 400		400
Carrying amount
Total long-term debt		$ 394		394
Debt instrument stated percentage	4.25%	4.25%
Senior Notes and Debentures \| U.S. dollar at 4.75% due 2026
Principal outstanding
Total long-term debt		$ 875		875
Carrying amount
Total long-term debt		$ 863		863
Debt instrument stated percentage	4.75%	4.75%
Senior Notes and Debentures \| U.S. dollar at 7.375% due 2026
Principal outstanding
Total long-term debt		$ 350		350
Carrying amount
Total long-term debt		$ 348		348
Debt instrument stated percentage	7.375%	7.375%
Senior Notes and Debentures \| €500 at 2.875% due 2026
Principal outstanding
Total long-term debt		$ 561		573
Carrying amount
Total long-term debt		$ 553		566
Debt instrument stated percentage	2.875%	2.875%
Debt Instrument, Face Amount \| €	€ 500,000,000
Senior Notes and Debentures \| U.S. dollar at 7.50% due 2096
Principal outstanding
Total long-term debt		$ 40		40
Carrying amount
Total long-term debt		$ 40		40
Debt instrument stated percentage	7.50%	7.50%
Other Indebtedness, Fixed Rate
Principal outstanding
Total long-term debt		$ 60		66
Carrying amount
Total long-term debt		60		66
Revolving Credit Facility \| Line of Credit
Principal outstanding
Total long-term debt		687		0
Carrying amount
Total long-term debt		$ 687		$ 0
London Interbank Offered Rate (LIBOR) \| Senior Secured Borrowings \| U.S. dollar at LIBOR 1.75% due 2022
Carrying amount
Basis spread on variable rate (as a percent)	1.75%
London Interbank Offered Rate (LIBOR) \| Senior Secured Borrowings \| U.S. dollar at LIBOR 2.00% due 2025
Carrying amount
Basis spread on variable rate (as a percent)	2.00%
EURIBOR \| Senior Secured Borrowings \| Euro at EURIBOR 1.75% due 20221
Carrying amount
Basis spread on variable rate (as a percent)	1.75%
EURIBOR \| Senior Secured Borrowings \| Euro at EURIBOR 2.375% due 20252
Carrying amount
Basis spread on variable rate (as a percent)	2.375%