Short-Term Debt (Tables)

12 Months Ended

Dec. 31, 2020

Debt Disclosure [Abstract]

Short-Term Debt

	At December 31
	2020		2019
Commercial paper1	$	5,612	$	4,654
Notes payable to banks and others with originating terms of one year or less	15		228
Current maturities of long-term debt	2,600		5,054
Current maturities of long-term finance leases	186		18
Redeemable long-term obligations
Long-term debt	2,960		3,078
Subtotal	11,373		13,032
Reclassified to long-term debt	(9,825)		(9,750)
Total short-term debt	$	1,548	$	3,282
1    Weighted-average interest rates at December 31, 2020 and 2019, were 0.15% and 1.69%, respectively.