Revenue Recognition - Customer Receivables and Contract Balances (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Jan. 01, 2023	Jan. 01, 2022
Revenue from Contract with Customer [Abstract]
Customer receivables	$ 252	$ 210
Contract assets	7	7
Contract liabilities	261	269	$ 269	$ 343
Gross affiliate receivables	285	239
Allowance for credit losses	$ 33	$ 29

Amount of allowance for credit loss on accounts receivable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Name:	us-gaap_AllowanceForDoubtfulAccountsReceivable
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant