Financial Statements of Guarantors (Details 3) (USD $) In Millions, unless otherwise specified	Aug. 13, 2012	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Mar. 31, 2011
CURRENT ASSETS
Cash and cash equivalents		$ 41	$ 48	$ 47	$ 424
Accounts receivable, less allowance		1,220	1,201
Advances to affiliates		73	742
Deferred income taxes, net		553	559
Other		306	265
Total current assets		2,193	2,815
Net property, plant and equipment		9,147	9,461
Goodwill		10,123	10,123
Customer relationships, net		6,300	6,788
Other intangible assets, net		1,422	1,587
Other		363	381
TOTAL ASSETS		29,548	31,155
CURRENT LIABILITIES
Current maturities of long-term debt		1,342	117
Accounts payable		736	973
Accounts payable-affiliates, net			394
Notes payable-affiliates		583
Dividends payable - affiliates	550	750	200
Accrued expenses and other liabilities		965	1,011
Advance billings and customer deposits		411	400
Total current liabilities		4,787	3,095
LONG-TERM DEBT		9,436	12,179
DEFERRED CREDITS AND OTHER LIABILITIES
Benefit plan obligations, net		3,124	3,198
Deferred income taxes, net		701	630
Other		698	777
Total deferred credits and other liabilities		4,523	4,605
Stockholders' equity		10,802	11,276	12,232
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY		29,548	31,155
QCII
CURRENT ASSETS
Accounts receivable, less allowance		43	15
Accounts receivable-affiliates, net			211
Advances to affiliates			184
Other		23
Total current assets		66	410
Other intangible assets, net		92	126
Investments in subsidiaries		14,284	14,856
Deferred income taxes, net		1,102	1,102
Prepaid pension, post-retirement and other post-employment benefits-affiliate		2,777	2,851
Other		40	36
TOTAL ASSETS		18,361	19,381
CURRENT LIABILITIES
Current debt-affiliates			122
Accounts payable			4
Accounts payable-affiliates, net		794	360
Dividends payable - affiliates		750	200
Accrued expenses and other liabilities		246	272
Accrued expenses and other-affiliates			1
Total current liabilities		1,790	959
LONG-TERM DEBT		1,444	2,767
DEFERRED CREDITS AND OTHER LIABILITIES
Benefit plan obligations, net		3,124	3,198
Pension, post-retirement and other post-employment benefits obligations and other-affiliates		1,033	1,031
Other		168	150
Total deferred credits and other liabilities		4,325	4,379
Stockholders' equity		10,802	11,276
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY		18,361	19,381
QSC and QCF
CURRENT ASSETS
Cash and cash equivalents		27	40	33	183
Accounts receivable, less allowance			2
Accounts receivable-affiliates, net		1,109	336
Notes receivable-affiliates		1,413
Advances to affiliates			1,694
Deferred income taxes, net		430	438
Other			19
Total current assets		2,979	2,529
Investments in subsidiaries		13,788	13,999
Deferred income taxes, net		1,029	1,390
Prepaid pension, post-retirement and other post-employment benefits-affiliate		76	76
Other		7	7
TOTAL ASSETS		17,879	18,001
CURRENT LIABILITIES
Current debt-affiliates			1,413
Accounts payable		1	19
Accounts payable-affiliates, net			42
Notes payable-affiliates		1,413
Dividends payable - affiliates		750
Accrued expenses and other liabilities		40	40
Accrued expenses and other-affiliates			62
Total current liabilities		2,204	1,576
LONG-TERM DEBT		1,008	1,009
DEFERRED CREDITS AND OTHER LIABILITIES
Pension, post-retirement and other post-employment benefits obligations and other-affiliates		351	344
Deferred income taxes, net			223
Other		32	31
Total deferred credits and other liabilities		383	598
Stockholders' equity		14,284	14,818
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY		17,879	18,001
Subsidiaries Non-Guarantors
CURRENT ASSETS
Cash and cash equivalents		14	8	14	241
Accounts receivable, less allowance		1,177	1,184
Accounts receivable-affiliates, net		1,208	36
Advances to affiliates			400
Deferred income taxes, net		123	121
Other		283	259
Total current assets		2,805	2,008
Net property, plant and equipment		9,147	9,461
Goodwill		10,123	10,123
Customer relationships, net		6,300	6,788
Other intangible assets, net		1,330	1,461
Deferred income taxes, net			117
Prepaid pension, post-retirement and other post-employment benefits-affiliate		957	955
Other		316	338
TOTAL ASSETS		30,978	31,251
CURRENT LIABILITIES
Current maturities of long-term debt		1,342	117
Accounts payable		735	950
Accounts payable-affiliates, net			23
Notes payable-affiliates		583
Dividends payable - affiliates		700	310
Accrued expenses and other liabilities		679	700
Accrued expenses and other-affiliates			192
Advance billings and customer deposits		411	400
Total current liabilities		4,450	2,692
LONG-TERM DEBT		6,984	8,403
DEFERRED CREDITS AND OTHER LIABILITIES
Pension, post-retirement and other post-employment benefits obligations and other-affiliates		2,426	2,507
Deferred income taxes, net		2,832	3,016
Other		498	596
Total deferred credits and other liabilities		5,756	6,119
Stockholders' equity		13,788	14,037
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY		30,978	31,251
Eliminations
CURRENT ASSETS
Accounts receivable-affiliates, net		(2,244)	(583)
Notes receivable-affiliates		(1,413)
Advances to affiliates			(1,536)
Other			(13)
Total current assets		(3,657)	(2,132)
Investments in subsidiaries		(28,072)	(28,855)
Deferred income taxes, net		(2,131)	(2,609)
Prepaid pension, post-retirement and other post-employment benefits-affiliate		(3,810)	(3,882)
TOTAL ASSETS		(37,670)	(37,478)
CURRENT LIABILITIES
Current debt-affiliates			(1,535)
Accounts payable-affiliates, net		(794)	(31)
Notes payable-affiliates		(1,413)
Dividends payable - affiliates		(1,450)	(310)
Accrued expenses and other liabilities			(1)
Accrued expenses and other-affiliates			(255)
Total current liabilities		(3,657)	(2,132)
DEFERRED CREDITS AND OTHER LIABILITIES
Pension, post-retirement and other post-employment benefits obligations and other-affiliates		(3,810)	(3,882)
Deferred income taxes, net		(2,131)	(2,609)
Total deferred credits and other liabilities		(5,941)	(6,491)
Stockholders' equity		(28,072)	(28,855)
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY		$ (37,670)	$ (37,478)