Other Financial Information - Other Non-current Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Deferred Credits and Other Liabilities [Abstract]
Unrecognized tax benefits	$ 439	$ 435
Deferred revenue	95	111
Noncurrent operating lease liability	59	63
Other	64	61
Total other noncurrent liabilities	$ 657	$ 670