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Long-Term Debt- Senior Notes due 2029 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Sep. 24, 2021
Long-term debt
Interest rate (as a percent)	4.30%
Amortization of debt issuance costs and discounts	$ 177	$ 80	$ 8
Senior Notes
Long-term debt
Interest rate (as a percent)	4.625%
Senior Notes | Senior Notes
Long-term debt
Long-term debt, gross				$ 1,200

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- Definition

Amount of amortization expense attributable to debt discount (premium) and debt issuance costs.

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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.

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

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