Revenue Recognition - Remaining Performance Obligations (Details) $ in Billions |
3 Months Ended |
|---|---|
|
Mar. 31, 2018
USD ($)
| |
| Revenue Recognition | |
| Practical expedient, remaining performance obligations | true |
| Remaining performance obligations related to customer contracts that are unsatisfied or partially unsatisfied | $ 131 |
| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Indicates (true/false) whether practical expedient is elected not to disclose amount of transaction price allocated to remaining performance obligation and explanation of expected timing of revenue recognition, when contract has expected duration of one year or less or right to consideration corresponds directly to performance completed. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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