Consolidated Statements of Cash Flows (Unaudited) - SPPC - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net income (loss)	$ 2,768	$ 2,285
Adjustments to reconcile net income to net cash flows from operating activities:
Allowance for equity funds	(80)	(56)
Changes in regulatory assets and liabilities	(226)	(199)
Deferred income taxes and investment tax credits, net	385	613
Other, net	37	(26)
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(317)	(254)
Accrued property, income and other taxes, net	489	76
Accounts payable and other liabilities	682	187
Net cash flows from operating activities	5,147	4,232
Cash flows from investing activities:
Capital expenditures	(3,382)	(2,848)
Net cash flows from investing activities	(3,452)	(2,975)
Cash flows from financing activities:
Net (repayments of) proceeds from short-term debt	(54)	245
Other, net	(248)	(19)
Net cash flows from financing activities	(605)	(1,204)
Net change in cash and cash equivalents and restricted cash and cash equivalents	1,057	55
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,244	1,445
Cash and cash equivalents and restricted cash and cash equivalents at end of period	2,301	1,500
SPPC
Cash flows from operating activities:
Net income (loss)	41	45
Adjustments to reconcile net income to net cash flows from operating activities:
Depreciation and amortization	73	72
Allowance for equity funds	(4)	(3)
Changes in regulatory assets and liabilities	(8)	(20)
Deferred income taxes and investment tax credits, net	5	8
Deferred energy	(67)	(47)
Amortization of deferred energy	46	2
Other, net	2	(2)
Changes in other operating assets and liabilities, net of effects from acquisitions:
Trade receivables and other assets	(1)	(1)
Inventories	(10)	10
Accrued property, income and other taxes, net	3	(1)
Accounts payable and other liabilities	28	29
Net cash flows from operating activities	108	92
Cash flows from investing activities:
Capital expenditures	(191)	(128)
Net cash flows from investing activities	(191)	(128)
Cash flows from financing activities:
Proceeds from long-term debt	249	0
Repayments of long-term debt	(265)	0
Net (repayments of) proceeds from short-term debt	(159)	29
Dividends paid	(70)	0
Proceeds from equity contributions	340	0
Other, net	(4)	(4)
Net cash flows from financing activities	91	25
Net change in cash and cash equivalents and restricted cash and cash equivalents	8	(11)
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	16	26
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 24	$ 15