CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
OPERATING ACTIVITIES
Net income	$ 1,479	$ 1,573
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	640	780
Deferred income taxes	(4)	(24)
Provision for uncollectible accounts	42	18
Accrued interest on affiliate note	28	57
Net loss on early retirement of debt	0	8
Changes in current assets and liabilities:
Accounts receivable	(15)	7
Accounts payable	(34)	(19)
Accrued income and other taxes	20	17
Other current assets and liabilities, net	(31)	(113)
Changes in other noncurrent assets and liabilities, net	11	10
Changes in affiliate obligations, net	(69)	(23)
Other, net	7	8
Net cash provided by operating activities	2,074	2,299
INVESTING ACTIVITIES
Capital expenditures	(613)	(557)
Changes in advances to affiliates	(231)	(368)
Proceeds from sale of property, plant and equipment and other assets	42	31
Net cash used in investing activities	(802)	(894)
FINANCING ACTIVITIES
Payment of note payable - affiliate	(1,215)	0
Payments of long-term debt	0	(235)
Dividends paid	0	(570)
Changes in advances from affiliates	(55)	(592)
Net cash used in financing activities	(1,270)	(1,397)
Net increase in cash, cash equivalents and restricted cash	2	8
Cash, cash equivalents and restricted cash at beginning of period	4	15
Cash, cash equivalents and restricted cash at end of period	6	23
Supplemental cash flow information:
Income taxes paid, net	(497)	(557)
Interest paid, including affiliate interest (net of capitalized interest of $20 and $14)	(130)	(129)
Supplemental noncash information of investing activities:
Sale of property, plant and equipment in exchange for receivable	0	56
Cash, cash equivalents and restricted cash:
Cash and cash equivalents	5	2
Restricted cash - noncurrent	1	21
Total	$ 6	$ 23