|
Fair Value of Financial Instruments - Carrying Values and Fair Values of Non-Current Financial Assets and Liabilities (Detail) (USD $)
In Millions, unless otherwise specified
|
Mar. 31, 2015
|
Dec. 31, 2014
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Senior, mezzanine, and other loans |
$ 154 |
$ 215 |
| Other noncurrent liabilities |
(901) |
(891) |
| Carrying Amount |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Senior, mezzanine, and other loans |
154 |
215 |
| Marketable securities and other debt securities |
46 |
44 |
| Total noncurrent financial assets |
200 |
259 |
| Senior Notes |
(2,273) |
(2,272) |
| Commercial paper |
(1,320) |
(1,072) |
| Other long-term debt |
(105) |
(108) |
| Other noncurrent liabilities |
(57) |
(57) |
| Total noncurrent financial liabilities |
(3,755) |
(3,509) |
| Fair Value |
|
|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
|
|
| Senior, mezzanine, and other loans |
151 |
214 |
| Marketable securities and other debt securities |
46 |
44 |
| Total noncurrent financial assets |
197 |
258 |
| Senior Notes |
(2,393) |
(2,370) |
| Commercial paper |
(1,320) |
(1,072) |
| Other long-term debt |
(119) |
(122) |
| Other noncurrent liabilities |
(57) |
(57) |
| Total noncurrent financial liabilities |
$ (3,889) |
$ (3,621) |