v3.19.2
Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Related Party Transactions [Abstract]          
Continuing Involvement with Derecognized Transferred Financial Assets, Amount Outstanding $ 244   $ 244   $ 238
Notes Receivable, Related Parties, Current 57   57   $ 34
Trade Receivables Sold     1,100 $ 1,100  
Cash Flows Between Transferor and Transferee, Proceeds from New Transfers     1,100 1,100  
Revenue from Related Parties 17 $ 19 37 38  
Related Party Transaction, Purchases from Related Party $ 4 $ 4 $ 7 $ 6