XML 45 R34.htm IDEA: XBRL DOCUMENT v3.8.0.1
New Accounting Standards Effect of change related to ASU 2014-09 (Details) - Accounting Standards Update 2014-09 [Member]
$ in Billions
12 Months Ended
Dec. 31, 2016
USD ($)
Minimum [Member]  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification $ 5.5
Maximum [Member]  
New Accounting Pronouncements or Change in Accounting Principle [Line Items]  
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification $ 6.5