CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
OPERATING REVENUE
Operating revenues	$ 1,953	$ 1,985	$ 3,899	$ 3,974
OPERATING EXPENSES
Cost of services and products (exclusive of depreciation and amortization)	836	868	1,687	1,746
Selling, general and administrative	318	273	632	567
Operating expenses - affiliates	162	131	308	238
Depreciation and amortization	405	436	801	873
Total operating expenses	1,721	1,708	3,428	3,424
OPERATING INCOME	232	277	471	550
OTHER (EXPENSE) INCOME
Interest income - affiliate	15	15	31	33
Interest expense	(95)	(89)	(185)	(182)
Other (expense) income, net	(14)	6	(21)	10
Total other expense, net	(94)	(68)	(175)	(139)
INCOME BEFORE INCOME TAXES	138	209	296	411
Income tax expense	41	62	85	113
NET INCOME	97	147	211	298
Non-Affiliate Revenue
OPERATING REVENUE
Operating revenues	1,896	1,929	3,786	3,863
Affiliate Services
OPERATING REVENUE
Operating revenues	$ 57	$ 56	$ 113	$ 111