Revenues and Segment Information, Segment Expenditures for Long-Lived Assets to Consolidated Recon (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Expenditures for long-lived assets	$ 1,885	$ 2,057	$ 1,916
Operating Segments [Member]
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Expenditures for long-lived assets	1,815	1,990	1,825
Corporate, Non-Segment [Member]
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Expenditures for long-lived assets	$ 70	$ 67	$ 91