Supplemental Financial Information (Tables)

12 Months Ended

Dec. 31, 2011

Balance Sheet Related Disclosures [Abstract]

Schedule of Supplemental Financial Information

	December 31,
	2011			2010
	(in millions)
Accounts and notes receivable, net
Trade	$	3,099		$	2,916
Unbilled trade and other	326			317
Less allowance for doubtful accounts	(219		)	(197		)
	$	3,206		$	3,036
Prepaid expenses and other current assets
Prepaid expenses	$	321		$	413
Deferred charges and other	170			103
	$	491		$	516
Accounts payable(1)
Trade	$	1,887		$	2,131
Accrued interconnection costs	369			397
Construction obligations and other	239			134
	$	2,495		$	2,662
Accrued expenses and other current liabilities
Deferred revenues	$	1,770		$	1,373
Accrued taxes	334			346
Payroll and related	418			426
Accrued interest	331			382
Other	1,143			1,046
	$	3,996		$	3,573
Other liabilities
Deferred rental income-communications towers	$	740		$	783
Deferred rent	1,347			1,265
Accrued taxes-unrecognized tax benefits	112			121
Deferred revenue	255			208
Post-retirement benefits and other non-current employee related liabilities	881			687
Other	870			816
	$	4,205		$	3,880

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