|
Composition of Other Intangible Assets Net (Detail) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | 6 Months Ended | 6 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2014
|
Dec. 31, 2013
|
Jun. 30, 2014
Customer Lists
|
Dec. 31, 2013
Customer Lists
|
Jun. 30, 2014
Customer Lists
Minimum
|
Jun. 30, 2014
Customer Lists
Maximum
|
Jun. 30, 2014
Non-Network Internal-Use Software
|
Dec. 31, 2013
Non-Network Internal-Use Software
|
Jun. 30, 2014
Non-Network Internal-Use Software
Minimum
|
Jun. 30, 2014
Non-Network Internal-Use Software
Maximum
|
Jun. 30, 2014
Other Intangible Assets
|
Dec. 31, 2013
Other Intangible Assets
|
Jun. 30, 2014
Other Intangible Assets
Minimum
|
Jun. 30, 2014
Other Intangible Assets
Maximum
|
|
| Finite-Lived Intangible Assets [Line Items] | ||||||||||||||
| Gross Amount | $ 16,806 | $ 16,100 | $ 3,635 | $ 3,639 | $ 12,507 | $ 11,770 | $ 664 | $ 691 | ||||||
| Accumulated Amortization | (11,025) | (10,300) | (2,798) | (2,660) | (7,896) | (7,317) | (331) | (323) | ||||||
| Net Amount | $ 5,781 | $ 5,800 | $ 837 | $ 979 | $ 4,611 | $ 4,453 | $ 333 | $ 368 | ||||||
| Useful life for finite-lived intangible assets, years | 5 years | 13 years | 3 years | 7 years | 2 years | 25 years | ||||||||