Accumulated Other Comprehensive Loss (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2022	Sep. 30, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Payment for settlement	$ 44
Defined benefit pension plans
Accumulated Other Comprehensive Income (Loss) [Line Items]
Net realized gains reclassified to net income	(16)	$ (16)	$ (1)
Net realized gains reclassified to income from continuing operations, before tax	(21)	(21)	(1)
Net realized gains reclassified to income from continuing operations, tax	$ (5)	$ (5)	$ 0