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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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Amount of cash restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Description of payment terms in contract with customer. Includes, but is not limited to, timing of payment, existence of financing component, variability of consideration and constraint on variable consideration.

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The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

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Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Feb. 09, 2021 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) segment	Dec. 31, 2020 USD ($)
Summary of Significant Accounting Policies [Table] [Line Items]
Number of reportable segments \| segment			1
Restricted cash		$ 9	$ 62
Bank overdrafts		23	150
Gains (losses) on purchases or exchanges of debt	$ 0	0	$ 5	$ (65)
Revenue, payment terms			Payment terms and conditions vary by contract type, although terms generally include a requirement of payment within 30 days.
Credit facility
Summary of Significant Accounting Policies [Table] [Line Items]
Unamortized issuance costs			$ 24
Senior notes
Summary of Significant Accounting Policies [Table] [Line Items]
Unamortized issuance costs		$ 9	7
Exit credit facility \| Credit facility
Summary of Significant Accounting Policies [Table] [Line Items]
Gains (losses) on purchases or exchanges of debt			$ 5
Employee
Summary of Significant Accounting Policies [Table] [Line Items]
Vesting period			3 years