Other Income and Expense (Other Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of other operating expense [Line Items]
Other Nonoperating Expense	$ 0	$ 175	$ 0
Other Expenses	99	68	60
Other Expense [Member]
Schedule of other operating expense [Line Items]
Gain (Loss) on Disposition of Assets	49	13	14
Sales-type and Direct Financing Leases, Profit (Loss)	20	5	13
Gain (Loss) on Sale of Financing Receivable	0	0	9
Gain (Loss) Related to Litigation Settlement	2	8	2
Other Nonoperating Expense	16	27	22
Other Expenses	$ 99	$ 68	$ 60