Derivative Financial Instruments - Schedule of Fair Values and Location of Outstanding Derivative Instruments Recorded in the Condensed Consolidated Balance Sheets (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Derivatives Fair Value [Line Items]
Total Assets	$ 5
Total Liabilities	13	$ 47
Other Assets
Derivatives Fair Value [Line Items]
Total Assets	5
Other Current Liabilities
Derivatives Fair Value [Line Items]
Total Liabilities	12	28
Other Liabilities
Derivatives Fair Value [Line Items]
Total Liabilities	$ 1	$ 19