Segment Information (Reconciliation of Interest Expense from Segments to Consolidated) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Interest expense	$ 257	$ 191	$ 139
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Interest expense	$ 257	$ 191	$ 139