Debt - Long term debt (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Long-term debt
Finance lease obligations	$ 11	$ 12
Other (including debt issuance costs)	(57)	(60)
Long-term debt, Total	7,686	7,786
Less: Current portion of long-term debt	(745)	(3)
Long-term debt excluding current maturities	6,941	7,783
Senior Notes 5.00 percent, due March 2022
Long-term debt
Long-term Debt, Gross	$ 743	748
Interest rate (as a percent)	5.00%
Senior Notes 4.00 percent , due November 2023
Long-term debt
Long-term Debt, Gross	$ 1,000	1,000
Interest rate (as a percent)	4.00%
Senior Notes 4.375 percent, euro denominated, due December 2023
Long-term debt
Long-term Debt, Gross	$ 821	855
Interest rate (as a percent)	4.375%
Senior Notes 0.875 Percent, euro denominated, due March 2024
Long-term debt
Long-term Debt, Gross	$ 880	916
Interest rate (as a percent)	0.875%
Senior Notes 5.25 percent, due July 2025
Long-term debt
Long-term Debt, Gross	$ 1,000	1,000
Interest rate (as a percent)	5.25%
Senior Notes 4.875 Percent, due March 2026
Long-term debt
Long-term Debt, Gross	$ 750	750
Interest rate (as a percent)	4.875%
Senior Notes 1.50 Percent, euro denominated, due March 2027
Long-term debt
Long-term Debt, Gross	$ 645	672
Interest rate (as a percent)	1.50%
Senior Notes 2.875 Percent Due August 2030 [Member]
Long-term debt
Long-term Debt, Gross	$ 1,300	1,300
Interest rate (as a percent)	2.875%
Term A loan, due June 2024
Long-term debt
Long-term Debt, Gross	$ 593	$ 593

Net total of debt issuance costs, debt discount (premium) and other long term debt not elsewhere specified.

No definition available.

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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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- 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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- Definition

Present value of lessee's discounted obligation for lease payments from finance lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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- Definition

Amount of long-term debt and lease obligation, classified as noncurrent.

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Amount of long-term debt and lease obligation, classified as current.

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Amount of long-term debt and lease obligation, including portion classified as current.

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