Other (Income)/Deductions - Net - Footnotes - Commitments and Contingencies (Details) - Pending Litigation [Member] - USD ($) $ in Millions |
1 Months Ended | 12 Months Ended | |
|---|---|---|---|
Nov. 30, 2017 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Patent Matter [Member] | |||
| Loss Contingencies [Line Items] | |||
| Litigation settlement expense | $ 79 | ||
| Celebrex [Member] | |||
| Loss Contingencies [Line Items] | |||
| Litigation settlement expense | $ 94 | ||
| Litigation settlement, amount awarded to other party | $ 94 | ||
| Celebrex and Bextra [Member] | Product Safety Misrepresentation [Member] | |||
| Loss Contingencies [Line Items] | |||
| Litigation settlement, amount awarded to other party | $ 486 | ||