Receivables (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Customer One
Schedule Of Financial Receivables [Line Items]
Accounts receivables sold	$ 117		$ 223
Accounts receivable remaining outstanding	125		125
Customer Two
Schedule Of Financial Receivables [Line Items]
Accounts receivables sold		$ 98		$ 164
Receivables Sale Program
Schedule Of Financial Receivables [Line Items]
Net cash funding received during the period				22
Amount of cash draws under arrangement during the period				41
Amount of cash repayments under arrangement during the period				$ 63
Receivables Purchase Agreement
Schedule Of Financial Receivables [Line Items]
Accounts receivable securitization	325		325		$ 325
Accounts receivable securitization amount drawn	250		250		250
Financing receivables, held as collateral	130		130		$ 79
Accounts receivables sold	$ 437		$ 901