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Debt - Narrative (Details) - USD ($) $ in Millions		6 Months Ended
	Sep. 01, 2021	Jun. 30, 2021
7.25% 2063 Senior Notes
Debt Instrument [Line Items]
Amount redeemed		$ 275
Interest rate		7.25%
Unamortized debt issuance costs		$ 9
Redemption price rate		100.00%
5.5% 2070 Senior Notes
Debt Instrument [Line Items]
Interest rate		5.50%
Redemption price rate		100.00%
Principal amount		$ 500
Long-term Debt		484
Debt issuance costs		16
7.25% 2064 Senior Notes
Debt Instrument [Line Items]
Amount redeemed		$ 300
Interest rate		7.25%
Unamortized debt issuance costs		$ 10
Redemption price rate		100.00%
6.95% Senior Notes | Subsequent event
Debt Instrument [Line Items]
Amount redeemed	$ 342
Interest rate	6.95%
Unamortized debt issuance costs	$ 11
Redemption price rate	100.00%

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