XML 67 R79.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Credit from Banks and Others (Sale of Receivables under Securitization Transaction) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Notes to Consolidated Financial Statements [Abstract]      
Carrying amount of the transferred assets $ 261 $ 332 $ 331
Fair value of the associated liabilities 261 332 331
Net Position [1] $ 0 $ 0 $ 0
[1] Less than $1 million.