Revenues and Segment Information, Segment Expenditures for Long-Lived Assets to Consolidated Recon (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Expenditures for long-lived assets	$ 448	$ 659
Operating Segments [Member]
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Expenditures for long-lived assets	442	636
Corporate, Non-Segment [Member]
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items]
Expenditures for long-lived assets	$ 6	$ 23