Financial Statements of Guarantors (Details 3) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012		Sep. 30, 2012		Dec. 31, 2011
CURRENT ASSETS
Cash and cash equivalents	$ 112		$ 87		$ 54		$ 48
Accounts receivable, less allowance	1,200		1,177
Notes receivable - affiliates	0		0
Advances to affiliates	2,207		500
Deferred income taxes, net	587		473
Other	369		320
Total current assets	4,475		2,557
Net property, plant and equipment	9,205		9,127
Goodwill	10,123		10,123
Customer relationships, net	5,132		5,822
Other intangible assets, net	1,095		1,277
Investments in subsidiaries	0		0
Deferred income taxes, net	0		0
Prepaid pension, post-retirement and other post-employment benefits-affiliate	4		4
Other	365		336
TOTAL ASSETS	30,399		29,246
CURRENT LIABILITIES
Current maturities of long-term debt	98		856
Notes payable-affiliates	2,699		2,023
Accounts payable	678		687
Accounts payable - affiliates	0		0
Accrued expenses and other liabilities	1,201		924
Advance billings and customers deposits	463		452
Total current liabilities	5,139		4,942
LONG-TERM DEBT	9,456		8,772
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred revenues	209		192
Benefit plan obligations, net	3,573		3,699
Pension, post-retirement and other post-employment benefits obligations and other - affiliates	0		0
Deferred income taxes	706		494
Other	493		523
Total deferred credits and other liabilities	4,981		4,908
Stockholder's equity	10,823		10,624		10,885
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY	30,399		29,246
QCII
CURRENT ASSETS
Cash and cash equivalents	2	[1]	11	[1]	0	[1]	0	[1]
Accounts receivable, less allowance	11	[1]	10	[1]
Notes receivable - affiliates	0	[1]	0	[1]
Advances to affiliates	188	[1]	0	[1]
Deferred income taxes, net	0	[1]	0	[1]
Other	0	[1]	8	[1]
Total current assets	201	[1]	29	[1]
Net property, plant and equipment	0	[1]	0	[1]
Goodwill	0	[1]	0	[1]
Customer relationships, net	0	[1]	0	[1]
Other intangible assets, net	32	[1]	64	[1]
Investments in subsidiaries	14,619	[1]	14,322	[1]
Deferred income taxes, net	1,331	[1]	1,336	[1]
Prepaid pension, post-retirement and other post-employment benefits-affiliate	1,574	[1]	1,697	[1]
Other	37	[1]	37	[1]
TOTAL ASSETS	17,794	[1]	17,485	[1]
CURRENT LIABILITIES
Current maturities of long-term debt	0	[1]	0	[1]
Notes payable-affiliates	1,958	[1]	1,322	[1]
Accounts payable	(1)	[1]	0	[1]
Accounts payable - affiliates	0	[1]	661	[1]
Accrued expenses and other liabilities	442	[1]	178	[1]
Advance billings and customers deposits	0	[1]	0	[1]
Total current liabilities	2,399	[1]	2,161	[1]
LONG-TERM DEBT	843	[1]	849	[1]
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred revenues	0	[1]	0	[1]
Benefit plan obligations, net	3,573	[1]	3,699	[1]
Pension, post-retirement and other post-employment benefits obligations and other - affiliates	0	[1]	0	[1]
Deferred income taxes	0	[1]	0	[1]
Other	156	[1]	152	[1]
Total deferred credits and other liabilities	3,729	[1]	3,851	[1]
Stockholder's equity	10,823	[1]	10,624	[1]
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY	17,794	[1]	17,485	[1]
QSC and QCF
CURRENT ASSETS
Cash and cash equivalents	80	[2],[3]	59	[2],[3]	38	[2],[3]	40	[2],[3]
Accounts receivable, less allowance	0	[2],[3]	0	[2],[3]
Notes receivable - affiliates	1,413	[2],[3]	1,413	[2],[3]
Advances to affiliates	2,180	[2],[3]	938	[2],[3]
Deferred income taxes, net	439	[2],[3]	272	[2],[3]
Other	0	[2],[3]	0	[2],[3]
Total current assets	4,112	[2],[3]	2,682	[2],[3]
Net property, plant and equipment	0	[2],[3]	0	[2],[3]
Goodwill	0	[2],[3]	0	[2],[3]
Customer relationships, net	0	[2],[3]	0	[2],[3]
Other intangible assets, net	0	[2],[3]	0	[2],[3]
Investments in subsidiaries	12,781	[2],[3]	13,478	[2],[3]
Deferred income taxes, net	473	[2],[3]	931	[2],[3]
Prepaid pension, post-retirement and other post-employment benefits-affiliate	0	[2],[3]	0	[2],[3]
Other	7	[2],[3]	7	[2],[3]
TOTAL ASSETS	17,373	[2],[3]	17,098	[2],[3]
CURRENT LIABILITIES
Current maturities of long-term debt	0	[2],[3]	0	[2],[3]
Notes payable-affiliates	1,413	[2],[3]	1,413	[2],[3]
Accounts payable	0	[2],[3]	1	[2],[3]
Accounts payable - affiliates	0	[2],[3]	0	[2],[3]
Accrued expenses and other liabilities	14	[2],[3]	57	[2],[3]
Advance billings and customers deposits	0	[2],[3]	0	[2],[3]
Total current liabilities	1,427	[2],[3]	1,471	[2],[3]
LONG-TERM DEBT	1,007	[2],[3]	1,008	[2],[3]
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred revenues	0	[2],[3]	0	[2],[3]
Benefit plan obligations, net	0	[2],[3]	0	[2],[3]
Pension, post-retirement and other post-employment benefits obligations and other - affiliates	290	[2],[3]	270	[2],[3]
Deferred income taxes	0	[2],[3]	0	[2],[3]
Other	30	[2],[3]	27	[2],[3]
Total deferred credits and other liabilities	320	[2],[3]	297	[2],[3]
Stockholder's equity	14,619	[2],[3]	14,322	[2],[3]
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY	17,373	[2],[3]	17,098	[2],[3]
Subsidiaries Non-Guarantors
CURRENT ASSETS
Cash and cash equivalents	30		17		16		8
Accounts receivable, less allowance	1,189		1,167
Notes receivable - affiliates	0		0
Advances to affiliates	0		223
Deferred income taxes, net	148		201
Other	369		321
Total current assets	1,736		1,929
Net property, plant and equipment	9,205		9,127
Goodwill	10,123		10,123
Customer relationships, net	5,132		5,822
Other intangible assets, net	1,063		1,213
Investments in subsidiaries	0		0
Deferred income taxes, net	0		0
Prepaid pension, post-retirement and other post-employment benefits-affiliate	0		0
Other	321		292
TOTAL ASSETS	27,580		28,506
CURRENT LIABILITIES
Current maturities of long-term debt	98		856
Notes payable-affiliates	741		701
Accounts payable	679		695
Accounts payable - affiliates	161		0
Accrued expenses and other liabilities	745		689
Advance billings and customers deposits	463		452
Total current liabilities	2,887		3,393
LONG-TERM DEBT	7,606		6,915
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred revenues	209		192
Benefit plan obligations, net	0		0
Pension, post-retirement and other post-employment benefits obligations and other - affiliates	1,280		1,423
Deferred income taxes	2,510		2,761
Other	307		344
Total deferred credits and other liabilities	4,306		4,720
Stockholder's equity	12,781		13,478
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY	27,580		28,506
Eliminations
CURRENT ASSETS
Cash and cash equivalents	0		0		0		0
Accounts receivable, less allowance	0		0
Notes receivable - affiliates	(1,413)		(1,413)
Advances to affiliates	(161)		(661)
Deferred income taxes, net	0		0
Other	0		(9)
Total current assets	(1,574)		(2,083)
Net property, plant and equipment	0		0
Goodwill	0		0
Customer relationships, net	0		0
Other intangible assets, net	0		0
Investments in subsidiaries	(27,400)		(27,800)
Deferred income taxes, net	(1,804)		(2,267)
Prepaid pension, post-retirement and other post-employment benefits-affiliate	(1,570)		(1,693)
Other	0		0
TOTAL ASSETS	(32,348)		(33,843)
CURRENT LIABILITIES
Current maturities of long-term debt	0		0
Notes payable-affiliates	(1,413)		(1,413)
Accounts payable	0		(9)
Accounts payable - affiliates	(161)		(661)
Accrued expenses and other liabilities	0		0
Advance billings and customers deposits	0		0
Total current liabilities	(1,574)		(2,083)
LONG-TERM DEBT	0		0
DEFERRED CREDITS AND OTHER LIABILITIES
Deferred revenues	0		0
Benefit plan obligations, net	0		0
Pension, post-retirement and other post-employment benefits obligations and other - affiliates	(1,570)		(1,693)
Deferred income taxes	(1,804)		(2,267)
Other	0		0
Total deferred credits and other liabilities	(3,374)		(3,960)
Stockholder's equity	(27,400)		(27,800)
TOTAL LIABILITIES AND STOCKHOLDER'S EQUITY	$ (32,348)		$ (33,843)

[1] QCII is the issuer of the QCII Guaranteed Notes and is a guarantor of the QCF Guaranteed Notes.

[2] QCF is the issuer of the QCF Guaranteed Notes and is a guarantor of the QCII Guaranteed Notes.

[3] QSC is a guarantor of the QCII Guaranteed Notes.