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

3 Months Ended

Mar. 31, 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	4	1		(1)	4
Write-offs charged against the allowance	(1)	-		-	(1)
Other	(1)	(14)		2	(13)
Balance at March 31, 2020	88	501		13	602