|
Debt (Details 2) (USD $)
In Millions, unless otherwise specified |
6 Months Ended | 6 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2014
|
Dec. 31, 2013
|
Jun. 30, 2014
Unsecured Debt [Member]
2.25% Notes Due 2019 [Member]
|
Jan. 10, 2014
Unsecured Debt [Member]
2.25% Notes Due 2019 [Member]
|
Jun. 30, 2014
Unsecured Debt [Member]
3.75% Notes Due 2024 [Member]
|
Jan. 10, 2014
Unsecured Debt [Member]
3.75% Notes Due 2024 [Member]
|
Jun. 30, 2014
Unsecured Debt [Member]
4.85% Notes Due 2044 [Member]
|
Jan. 10, 2014
Unsecured Debt [Member]
4.85% Notes Due 2044 [Member]
|
|
| Shelf Registration Statement and Significant New Borrowings [Abstract] | ||||||||
| Issuance date | Jan. 10, 2014 | Jan. 10, 2014 | Jan. 10, 2014 | |||||
| Note amount | $ 300 | $ 400 | $ 300 | |||||
| Maturity date on new borrowing | Feb. 15, 2019 | Mar. 15, 2024 | Jun. 15, 2044 | |||||
| Interest rate on note | 2.25% | 3.75% | 4.85% | |||||
| Board of Directors remaining debt issuance | 1,850 | |||||||
| Debt reclassified as long-term | 400 | 0 | ||||||
| Receivables Securitization Facility Debt [Abstract] | ||||||||
| Secured debt under receivables securitization facility | $ 400 | $ 0 |