Supplemental Consolidated Financial Information - Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Balance Sheet Components [Abstract]
Allowance for doubtful accounts and authorized credits	$ 51		$ 74
Allowance for doubtful accounts	27		$ 42
Decrease in allowance for doubtful accounts receivable	15
Allowance for doubtful accounts receivable, write-offs	35
Deferred revenue recognized	$ 37	$ 46