Revenue and Contract Costs - Contract with Customer, Asset and Liability (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Jan. 01, 2021
Revenue from Contract with Customer [Abstract]
Contract asset, current	$ 656	$ 739
Contract asset, noncurrent	207	195
Contract asset	863	934	$ 937
Contract liability, current	6,583	6,053
Contract liability, noncurrent	1,651	1,176
Contract liability	$ 8,234	$ 7,229	$ 5,598