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Borrowings and Other Financing Instruments Equity through DRIP and Benefits Program (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Forward Contract Indexed to Issuer's Equity [Line Items]
Proceeds from issuance of common stock			$ 1,109	$ 83
Issuances of common stock	$ 1,017	$ 18	1,130	113
Dividend Reinvestment Program
Forward Contract Indexed to Issuer's Equity [Line Items]
Proceeds from issuance of common stock			$ 50	$ 78

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The cash inflow from the additional capital contribution to the entity.

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