Description of the Company and Basis of Presentation (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025	Mar. 31, 2025
Variable Interest Entity [Line Items]
Retained Earnings (Accumulated Deficit)	$ (9,917)	$ (9,876)
Revision of Prior Period, Adjustment [Member]
Variable Interest Entity [Line Items]
Retained Earnings (Accumulated Deficit)			$ 49
Consolidated Ventures
Variable Interest Entity [Line Items]
Noncontrolling interest, ownership percentage by parent	100.00%