For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the fair value of the receivables acquired, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

Name:	us-gaap_BusinessCombinationAcquiredReceivablesFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the fair value of the noncontrolling interest in the acquiree at the acquisition date.

Acquisitions, Dispositions And Other Adjustments (Fair Value of Assets Acquired And Liabilities Assumed) (Details) - USD ($) $ in Millions	Sep. 30, 2015	Jul. 24, 2015	Dec. 31, 2014	Dec. 31, 2013
Assets acquired
Goodwill	$ 105,966		$ 69,692	$ 69,273
DIRECTV [Member]
Assets acquired
Cash		$ 4,763
Accounts Receivable		2,116
All other current assets		1,795
Property, plant and equipment (including satellites)		8,811
Investments and other assets		3,730
Goodwill		35,343
Total assets acquired		91,636
Liabilities assumed
Current liabilities, excluding current portion of long-term debt		5,886
Long-term debt		20,500
Other noncurrent liabilities		17,492
Total liabilities assumed		43,878
Net assets acquired		47,758
Noncontrolling interest		(354)
Aggregate value of consideration paid		47,404
DIRECTV [Member] \| Customer lists and relationships [Member]
Assets acquired
Intangible assets subject to amortization		19,803
DIRECTV [Member] \| Other [Member]
Assets acquired
Intangible assets subject to amortization		324
DIRECTV [Member] \| Orbital Slots [Member]
Assets acquired
Intangible assets not subject to amortization		11,946
DIRECTV [Member] \| United States [Member] \| Trade Names [Member]
Assets acquired
Intangible assets subject to amortization		1,634
DIRECTV [Member] \| Latin America [Member] \| Trade Names [Member]
Assets acquired
Intangible assets not subject to amortization		$ 1,371