CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
OPERATING ACTIVITIES
Net income	$ 380	$ 278
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	360	391
Deferred income taxes	(41)	(32)
Provision for uncollectible accounts	23	21
Accrued interest on affiliate note	16	0
Changes in current assets and liabilities:
Accounts receivable	95	42
Accounts payable	18	59
Accrued income and other taxes	16	16
Other current assets and liabilities, net	(130)	(147)
Other current assets and liabilities - affiliates, net	(9)	15
Changes in other noncurrent assets and liabilities, net	1	12
Changes in affiliate obligations, net	(19)	(21)
Other, net	(1)	(10)
Net cash provided by operating activities	709	624
INVESTING ACTIVITIES
Payments for property, plant and equipment and capitalized software	(292)	(318)
Changes in advances to affiliates	(109)	(83)
Proceeds from sale of property	1	41
Net cash used in investing activities	(400)	(360)
FINANCING ACTIVITIES
Payments of long-term debt	(4)	(1)
Dividends paid to Qwest Services Corporation	(300)	(250)
Net cash used in financing activities	(304)	(251)
Net increase in cash, cash equivalents and restricted cash	5	13
Cash, cash equivalents and restricted cash at beginning of period	3	7
Cash, cash equivalents and restricted cash at end of period	8	20
Supplemental cash flow information:
Income taxes paid, net	(171)	(205)
Interest paid (net of capitalized interest of $7 and $7)	$ (110)	$ (101)