Comprehensive Income (Loss) (Schedule of Reclassifications Out of Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense	$ (8)	$ (7)	$ (22)	$ (32)
Provision for income taxes	(11)	(25)	(23)	(39)
Net Income	$ 28	$ 76	63	122
Amount Reclassified From Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net Income			(4)	(6)
Unrealized Loss On Derivatives [Member] | Amount Reclassified From Accumulated Other Comprehensive Income (Loss) [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Interest expense			(5)	(8)
Provision for income taxes			1	2
Net Income			$ (4)	$ (6)