Fair Value of Financial Assets and Liabilities - Recurring (Details) - Fair Value, Recurring - Significant Other Observable Inputs (Level 2) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Assets:
Total	$ 23	$ 25
Liabilities:
Total	29	22
Options Held
Assets:
Foreign currency options	0	1
Foreign exchange contracts – forwards
Assets:
Total	4	6
Liabilities:
Total	11	5
Interest rate cap
Assets:
Total	1	0
Deferred compensation
Assets:
Total	18	18
Liabilities:
Total	$ 18	$ 17