Other Financial Information (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]
Prepaid expenses	$ 127	$ 109
Contract assets	23	28
Other	6	9
Total other current assets	251	239
Other current assets reclassified as held for sale		81
Fulfillment Costs
Prepaid Expense and Other Assets, Current [Abstract]
Contract costs	48	48
Acquisition Costs
Prepaid Expense and Other Assets, Current [Abstract]
Contract costs	$ 47	$ 45