Commitments and Contingencies (Tables)

3 Months Ended

Mar. 31, 2022

Commitments And Contingencies Disclosure [Abstract]

Schedule of Long-term Commitments

The following is a schedule of future payments under PPAs, minimum lease payments with non-cancelable lease terms in excess of one year, and other net purchase obligations/commitments at March 31, 2022:

					Fuel		Long-term				Demand
			Capital		and		Service		Operating		Side
(millions)	Transportation		Projects		Gas Supply		Agreements		Leases		Management		Total
2022	$	182	$	224	$	393	$	24	$	2	$	4	$	829
2023		224		63		38		29		3		1		358
2024		215		2		0		27		3		1		248
2025		200		1		0		19		2		1		223
2026		197		0		0		19		1		0		217
Thereafter		1,868		0		0		52		48		0		1,968
Total future minimum payments	$	2,886	$	290	$	431	$	170	$	59	$	7	$	3,843