Consolidated Statements of Cash Flows (Unaudited) - SPPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net income (loss)	$ 653	$ 989
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Allowance for equity funds	(83)	(49)
Deferred energy	63	(504)
Amortization of deferred energy	81	130
Deferred income taxes and investment tax credits, net	(81)	(11)
Other, net	(8)	15
Changes in other operating assets and liabilities:
Trade receivables and other assets	67	161
Accrued property, income and other taxes, net	(353)	(177)
Accounts payable and other liabilities	113	(106)
Net cash flows from operating activities	1,986	1,095
Cash flows from investing activities:
Capital expenditures	(2,153)	(1,848)
Net cash flows from investing activities	(2,149)	(1,778)
Cash flows from financing activities:
Net (repayments of) proceeds from short-term debt	(2,618)	699
Other, net	(10)	(17)
Net cash flows from financing activities	2,313	20
Net change in cash and cash equivalents and restricted cash and cash equivalents	2,148	(662)
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	1,811	1,817
Cash and cash equivalents and restricted cash and cash equivalents at end of period	3,959	1,155
SPPC
Cash flows from operating activities:
Net income (loss)	10	27
Adjustments to reconcile net income (loss) to net cash flows from operating activities:
Depreciation and amortization	47	46
Allowance for equity funds	(4)	(2)
Deferred energy	81	2
Amortization of deferred energy	14	42
Other changes in regulatory assets and liabilities	1	6
Deferred income taxes and investment tax credits, net	(25)	(11)
Other, net	(2)	0
Changes in other operating assets and liabilities:
Trade receivables and other assets	14	(5)
Inventories	(9)	(4)
Accrued property, income and other taxes, net	1	17
Accounts payable and other liabilities	5	(31)
Net cash flows from operating activities	133	87
Cash flows from investing activities:
Capital expenditures	(113)	(104)
Net cash flows from investing activities	(113)	(104)
Cash flows from financing activities:
Proceeds from long-term debt	234	0
Net (repayments of) proceeds from short-term debt	0	50
Dividends paid	(200)	0
Repayment of affiliate note payable	0	(70)
Other, net	(2)	(2)
Net cash flows from financing activities	32	(22)
Net change in cash and cash equivalents and restricted cash and cash equivalents	52	(39)
Cash and cash equivalents and restricted cash and cash equivalents at beginning of period	52	56
Cash and cash equivalents and restricted cash and cash equivalents at end of period	$ 104	$ 17