v3.21.2

Fair Value Measurement - Schedule of Financial Liabilities Not Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Current portion of long term debt	$ 43	$ 37
Long term debt	2,839	4,041
Total debt, net	2,882	4,078
Carrying Value [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Current portion of long term debt	43	37
Long term debt	2,839	4,041
Total debt, net	2,882	4,078
Fair Value [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Current portion of long term debt	43	37
Long term debt	2,848	4,090
Total debt, net	$ 2,891	$ 4,127

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+ References

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Topic 470
-SubTopic 20
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