Offsetting Assets and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Offsetting Assets [Line Items]
Derivative asset, Gross amounts offset on the Condensed Consolidated Balance Sheet	$ 0	$ 0
Derivative asset, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Financial instruments	(1)	(1)
Derivative asset, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Collateral	0	0
Derivative assets with no offsetting arrangements	6	16
Total assets, Gross amounts of recognized assets/liabilities	7	17
Total assets, Net amounts of assets/liabilities presented on the Condensed Consolidated Balance Sheet	7	17
Total assets, Net amount	6	16
Derivative liabilities, Gross amounts offset on the Condensed Consolidated Balance Sheet	0	0
Derivative liabilities, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Financial instruments	(1)	(1)
Derivative liabilities, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Collateral	(2)	(1)
Derivative liabilities with no offsetting arrangements	58	28
Total liabilities, Gross amounts of recognized assets/liabilities	62	33
Total liabilities, Net amounts of assets/liabilities presented on the Condensed Consolidated Balance Sheet	62	33
Total liabilities, Net amount	59	31
Derivative Assets Net Asset Position
Offsetting Assets [Line Items]
Derivative asset, Gross amounts of recognized assets/liabilities	1
Derivative asset, Gross amounts offset on the Condensed Consolidated Balance Sheet	0
Net amounts of assets presented on the Consolidated Balance Sheet	1
Derivative asset, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Financial instruments	(1)
Derivative asset, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Collateral	0
Derivative assets, Net amount	0
Derivative Liabilities Net Liability Position
Offsetting Assets [Line Items]
Derivative liabilities, Gross amounts of recognized assets/liabilities	3	5
Derivative liabilities, Gross amounts offset on the Condensed Consolidated Balance Sheet	0	0
Net amounts of liabilities presented on the Consolidated Balance Sheet	3	5
Derivative liabilities, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Financial instruments	0	(1)
Derivative liabilities, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Collateral	(2)	(1)
Derivative liabilities, Net amount	1	3
Derivative Liabilities Net Asset Position
Offsetting Assets [Line Items]
Derivative liabilities, Gross amounts of recognized assets/liabilities	1
Derivative liabilities, Gross amounts offset on the Condensed Consolidated Balance Sheet	0
Net amounts of liabilities presented on the Consolidated Balance Sheet	1
Derivative liabilities, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Financial instruments	(1)
Derivative liabilities, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Collateral	0
Derivative liabilities, Net amount	$ 0
Derivative Asset Net Liability Position
Offsetting Assets [Line Items]
Derivative asset, Gross amounts of recognized assets/liabilities		1
Derivative asset, Gross amounts offset on the Condensed Consolidated Balance Sheet		0
Net amounts of assets presented on the Consolidated Balance Sheet		1
Derivative asset, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Financial instruments		(1)
Derivative asset, Gross amounts not offset on the Condensed Consolidated Balance Sheet, Collateral		0
Derivative assets, Net amount		$ 0