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Other Financial Data - Summary of Components of Receivables, Net (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Other Financial Data [Abstract]      
Billed and unbilled receivables $ 648 $ 687 $ 520
Allowance for expected credit losses (10) (9) (5)
Balance at end of period $ 638 $ 678 $ 515