Fair Value Disclosures - Narrative (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Carrying value	$ 13,440	$ 13,797
Level 2
Debt Instrument [Line Items]
Estimated fair value of long-term debt portfolio	$ 11,774	$ 11,994

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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Name:	us-gaap_LongTermDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant