Significant Transactions (Preliminary Allocation of Purchase Price) (Details) - USD ($) $ in Millions |
Nov. 13, 2015 |
Mar. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|---|
| Goodwill | $ 33,458 | $ 32,945 | |
| NBCUniversal Media LLC [Member] | |||
| Goodwill | $ 20,868 | $ 20,364 | |
| Universal Studios Japan [Member] | |||
| Property and equipment | $ 642 | ||
| Intangible assets | 57 | ||
| Working capital | (32) | ||
| Long-term debt | (3,271) | ||
| Other noncurrent assets and liabilities | 162 | ||
| Fair value of identifiable net assets acquired | (2,442) | ||
| Fair value of noncontrolling interests associated with net assets acquired | (1,440) | ||
| Goodwill | 5,381 | ||
| Cash consideration transferred | 1,499 | ||
| Universal Studios Japan [Member] | NBCUniversal Media LLC [Member] | |||
| Property and equipment | 642 | ||
| Intangible assets | 57 | ||
| Working capital | (32) | ||
| Long-term debt | (3,271) | ||
| Other noncurrent assets and liabilities | 162 | ||
| Fair value of identifiable net assets acquired | (2,442) | ||
| Fair value of noncontrolling interests associated with net assets acquired | (1,440) | ||
| Goodwill | 5,381 | ||
| Cash consideration transferred | $ 1,499 |