Allowance for Current Expected Credit Loss (CECL) (Tables)

6 Months Ended

Jun. 30, 2020

Allowance For Current Expected Credit Loss (CECL) [Abstract]

Allowance for Credit Loss

	Reserve for		Liabilities for
	Notes and Other		Off-Balance
	Receivables and Loans		Sheet Assets
	Trade	Other			Total
	(millions of dollars)
Balance at December 31, 2019	34	469		-	503
Cumulative effect of accounting change	52	45		12	109
Current period provision	8	2		-	10
Write-offs charged against the allowance	(1)	(1)		-	(2)
Other	-	(12)		-	(12)
Balance at June 30, 2020	93	503		12	608