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, 2022	Dec. 31, 2021
Fair Value Disclosures [Abstract]
The amount of total (gain)/ loss for the period included in earnings attributable to the change in unrealized (gain)/loss relating to liabilities still held at the end of period:	$ (33)	$ 47
The amount of total (gain)/loss for the period included in earnings attributable to the change in unrealized (gain)/loss, statement of income or comprehensive income [Extensible Enumeration]	Cost of revenues (excludes items below)	Cost of revenues (excludes items below)

Indicates line item in statement in which net income is reported that includes unrealized gain (loss) from liability measured at fair value using unobservable input (level 3) and still held.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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Period Type:	duration