CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
OPERATING ACTIVITIES
Net income	$ 1,020	$ 991
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	423	548
Deferred income taxes	(3)	(16)
Provision for uncollectible accounts	16	12
Accrued interest on affiliate note	28	28
Net loss on early retirement of debt	0	8
Changes in current assets and liabilities:
Accounts receivable	(12)	25
Accounts payable	(16)	(23)
Accrued income and other taxes	(3)	15
Other current assets and liabilities, net	(65)	(52)
Changes in other noncurrent assets and liabilities, net	(9)	2
Changes in affiliate obligations, net	(26)	(9)
Other, net	5	21
Net cash provided by operating activities	1,358	1,550
INVESTING ACTIVITIES
Capital expenditures	(350)	(372)
Payments for advances to affiliates	(993)	0
Proceeds from sale of property, plant and equipment and other assets	42	9
Net cash used in investing activities	(1,301)	(363)
FINANCING ACTIVITIES
Payments of long-term debt	0	(235)
Dividends paid	0	(570)
Changes in advances from affiliates	(55)	(389)
Net cash used in financing activities	(55)	(1,194)
Net increase (decrease) in cash, cash equivalents and restricted cash	2	(7)
Cash, cash equivalents and restricted cash at beginning of period	4	15
Cash, cash equivalents and restricted cash at end of period	6	8
Supplemental cash flow information:
Income taxes paid, net	(343)	(352)
Interest paid (net of capitalized interest of $13 and $9)	(56)	(97)
Cash, cash equivalents and restricted cash:
Cash and cash equivalents	5	7
Restricted cash - noncurrent	1	1
Total	$ 6	$ 8