|
Debt (Total Debt Schedule) (Details)
In Millions, unless otherwise specified |
Jun. 30, 2014
USD ($)
|
Dec. 31, 2013
USD ($)
|
Jun. 30, 2014
2018 Senior Notes (2.5% senior unsecured notes due October 15, 2018)
USD ($)
|
Dec. 31, 2013
2018 Senior Notes (2.5% senior unsecured notes due October 15, 2018)
USD ($)
|
Jun. 30, 2014
2023 Senior Notes (4.0% senior unsecured notes due October 15, 2023)
USD ($)
|
Dec. 31, 2013
2023 Senior Notes (4.0% senior unsecured notes due October 15, 2023)
USD ($)
|
Jun. 30, 2014
NYSE Euronext EUR Notes (5.375% senior unsecured notes due June 30, 2015)
USD ($)
|
Jun. 30, 2014
NYSE Euronext EUR Notes (5.375% senior unsecured notes due June 30, 2015)
EUR (€)
|
Dec. 31, 2013
NYSE Euronext EUR Notes (5.375% senior unsecured notes due June 30, 2015)
USD ($)
|
Jun. 30, 2014
NYSE Euronext USD Notes (2.0% senior unsecured notes due October 5, 2017)
USD ($)
|
Dec. 31, 2013
NYSE Euronext USD Notes (2.0% senior unsecured notes due October 5, 2017)
USD ($)
|
Jun. 30, 2014
Term Loan Facility
USD ($)
|
Dec. 31, 2013
Term Loan Facility
USD ($)
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt Instrument [Line Items] | |||||||||||||
| Commercial Paper | $ 368 | $ 1,080 | |||||||||||
| Unsecured Debt, Current | 1,315 | 920 | 0 | ||||||||||
| Credit Facilities | 0 | 55 | |||||||||||
| Short-term debt | 1,683 | 1,135 | |||||||||||
| Senior Notes | 600 | 599 | 794 | 794 | 854 | 854 | 0 | 1,353 | |||||
| Credit Facilities | 0 | 323 | |||||||||||
| Long term debt | 2,248 | 3,923 | |||||||||||
| Total debt | $ 3,931 | $ 5,058 |