Consolidated Statements Of Cash Flows (USD $) In Millions	6 Months Ended	3 Months Ended	9 Months Ended
	Sep. 30, 2011 Successor [Member]	Mar. 31, 2011 Predecessor [Member]	Sep. 30, 2010 Predecessor [Member]
OPERATING ACTIVITIES
Net income	$ 19	$ 211	$ 106
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,598	533	1,645
Deferred income taxes	28	145	422
Provision for uncollectible accounts	38	19	59
Loss on embedded option in convertible debt			208
Loss on early retirement of debt	1		45
Changes in current assets and current liabilities:
Accounts receivables	(55)	61	(13)
Accounts payable	(24)	(71)	24
Accounts receivable or payable-affiliates, net	49
Accrued income and other taxes	(31)	31	2
Other current assets and other current liabilities, net	14	(117)	3
Changes in other noncurrent assets and liabilities	10	(53)	(50)
(Premium) discount amortization	(120)	6	59
Other, net	17	12	54
Net cash provided by operating activities	1,544	777	2,564
INVESTING ACTIVITIES
Payments for property, plant and equipment and capitalized software	(748)	(410)	(1,090)
Proceeds from sales or maturities of investment securities			943
Changes in short-term affiliate loans	(1,145)
Purchases of investment securities			(944)
Other, net	3	2	1
Net cash used in investing activities	(1,890)	(408)	(1,090)
FINANCING ACTIVITIES
Payments of long-term debt	(877)	(203)	(2,237)
Net proceeds from issuance of long-term debt	1,200		775
Dividends paid		(141)	(416)
Dividends paid to CenturyLink, Inc.	(300)
Net proceeds from issuance of common stock		14	41
Settlement of embedded option in convertible debt			(24)
Early retirement of debt costs	(13)		(41)
Other, net	(18)	13	(11)
Net cash used in financing activities	(8)	(317)	(1,913)
Net (decrease) increase in cash and cash equivalents	(354)	52	(439)
Cash and cash equivalents at beginning of period	424	372	2,406
Cash and cash equivalents at end of period	70	424	1,967
Supplemental cash flow information:
Income taxes refunded (paid), net	10	1	(21)
Interest paid (net of capitalized interest of $8, $5 and $12)	$ (427)	$ (236)	$ (756)