CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
OPERATING ACTIVITIES
Net income	$ 510	$ 396
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,059	1,142
Deferred income taxes	(112)	(103)
Provision for uncollectible accounts	28	43
Long-term debt premium amortization	(29)	(36)
Net loss on early retirement of debt		46
Changes in current assets and current liabilities:
Accounts receivable	(30)	30
Accounts payable	10	(46)
Accrued income and other taxes	(21)	(17)
Other current assets and other current liabilities, net	(38)	(47)
Changes in other noncurrent assets and liabilities	(1)	(30)
Changes in other noncurrent assets and liabilities-affiliates	(79)	(80)
Other, net	1	8
Net cash provided by operating activities	1,298	1,306
INVESTING ACTIVITIES
Payments for property, plant and equipment and capitalized software	(607)	(600)
Changes in advances to affiliates	63	(1,157)
Proceeds from sale of property		133
Net cash used in investing activities	(544)	(1,624)
FINANCING ACTIVITIES
Net proceeds from issuance of long-term debt	752	897
Payments of long-term debt	(784)	(923)
Early retirement of debt costs		(177)
Dividends paid to Qwest Services Corporation	(750)
Changes in notes payable-affiliates	28	583
Changes in advances from affiliates		(61)
Net cash (used in) provided by financing activities	(754)	319
Net increase in cash and cash equivalents		1
Cash and cash equivalents at beginning of period	8	3
Cash and cash equivalents at end of period	8	4
Supplemental cash flow information:
Income taxes (paid), net	(434)	(207)
Interest (paid) (net of capitalized interest of $8 and $8)	$ (245)	$ (277)