|
Deferred Revenue (Changes in Deferred Revenue) (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2013
|
Sep. 30, 2012
|
|||||||||
| Deferred Revenue Arrangement [Line Items] | ||||||||||
| Balance | $ 295 | $ 278 | ||||||||
| Additions | 411 | [1] | 316 | [1] | ||||||
| Amortization | (372) | [1] | (275) | [1] | ||||||
| Translation adjustment | 5 | 6 | ||||||||
| Balance | 339 | 325 | ||||||||
|
Initial Listing Revenues [Member]
|
||||||||||
| Deferred Revenue Arrangement [Line Items] | ||||||||||
| Balance | 36 | 39 | ||||||||
| Additions | 12 | [1] | 8 | [1] | ||||||
| Amortization | (10) | [1] | (11) | [1] | ||||||
| Balance | 38 | 36 | ||||||||
|
Listing of Additional Shares Revenues [Member]
|
||||||||||
| Deferred Revenue Arrangement [Line Items] | ||||||||||
| Balance | 78 | 86 | ||||||||
| Additions | 28 | [1] | 22 | [1] | ||||||
| Amortization | (30) | [1] | (29) | [1] | ||||||
| Balance | 76 | 79 | ||||||||
|
Annual Renewal and Other Revenues [Member]
|
||||||||||
| Deferred Revenue Arrangement [Line Items] | ||||||||||
| Balance | 32 | 25 | ||||||||
| Additions | 215 | [1] | 213 | [1] | ||||||
| Amortization | (177) | [1] | (170) | [1] | ||||||
| Translation adjustment | (6) | 1 | ||||||||
| Balance | 64 | 69 | ||||||||
|
Technology Solutions [Member]
|
||||||||||
| Deferred Revenue Arrangement [Line Items] | ||||||||||
| Balance | 149 | [2] | 128 | [2] | ||||||
| Additions | 156 | [1],[2] | 73 | [1],[2] | ||||||
| Amortization | (155) | [1],[2] | (65) | [1],[2] | ||||||
| Translation adjustment | 11 | [2] | 5 | [2] | ||||||
| Balance | $ 161 | [2],[3] | $ 141 | [2] | ||||||
|
||||||||||