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Compensation Plans (Amounts Recognized For Share-Based Payment Transactions) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Compensation Costs of Transactions Classified as Cash-Settled	$ (1)	$ (1)	$ (22)
Total Compensation Costs of Transactions Classified as Equity-Settled	80	92	98
Less: Total Share-Based Compensation Costs Capitalized	(22)	(25)	(29)
Total Share-Based Compensation Expense	57	66	47
Operating Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Share-Based Compensation Expense	21	26	25
Administrative Expense [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Share-Based Compensation Expense	$ 36	$ 40	$ 22

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The aggregate amount of compensation costs, including capitalized amounts recorded for cash-settled share-based payment transactions.

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