Fair Value Measurements (Gains/Losses Included In Earnings Relating to Assets Still Held at the End of Period) (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2024	Dec. 31, 2023
Fair Value Disclosures [Abstract]
The amount of total loss for the period included in earnings attributable to the change in unrealized loss relating to liabilities still held at the end of period	[1]	$ 7	$ 9
Statement of Income or Comprehensive Income [Extensible Enumeration]		Cost of revenues (excludes items below)	Cost of revenues (excludes items below)

[1] The gain/loss is included in cost of revenues on the consolidated statements of income.