XML 42 R32.htm IDEA: XBRL DOCUMENT v3.19.2
Recent Accounting Pronouncements (Details) - USD ($)
$ in Millions
Jun. 30, 2019
Jan. 01, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Operating lease, right-of-use assets $ 548  
Operating lease, liability $ 683  
Accounting Standards Update 2016-02    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Operating lease, right-of-use assets   $ 458
Operating lease, liability   $ 574