Other Financial Data - Summary of Components of Receivables, Net (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Other Financial Data [Abstract]
Billed and unbilled receivables	$ 553	$ 520
Allowance for expected credit losses	(7)	(5)
Balance at end of period	$ 546	$ 515

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant