Condensed Consolidated Balance Sheets (Unaudited) - USD ($) shares in Millions, $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and equivalents	$ 2,446	$ 2,563
Receivables net of allowances for bad debts	3,250	3,071
Allowance for bad debts	791	824
Inventories	2,349	2,349
Other current assets	1,475	1,492
Total current assets	9,520	9,475
Property, plant, and equipment, net of accumulated depreciation	4,231	4,325
Accumulated depreciation	10,999	11,039
Goodwill	2,804	2,804
Deferred income taxes	2,165	2,166
Operating lease right-of-use assets	760	786
Other assets	1,095	1,124
Total assets	20,575	20,680
Current liabilities:
Accounts payable	1,769	1,573
Accrued employee compensation and benefits	479	517
Current portion of operating lease liabilities	250	251
Current maturities of long-term debt	515	695
Other current liabilities	1,212	1,385
Total current liabilities	4,225	4,421
Long-term debt	9,127	9,132
Operating lease liabilities	718	758
Employee compensation and benefits	518	562
Other liabilities	808	824
Total liabilities	15,396	15,697
Shareholders' equity:
Common stock, par value $2.50 per share	$ 2,666	$ 2,666
Common stock, par value (in dollars per share)	$ 2.50	$ 2.50
Common stock, shares authorized (in shares)	2,000	2,000
Common stock, shares issued (in shares)	1,067	1,066
Paid-in capital in excess of par value	$ 34	$ 0
Accumulated other comprehensive loss	(362)	(362)
Retained earnings	8,709	8,691
Treasury stock, at cost	$ (5,877)	$ (6,021)
Treasury shares (in shares)	178	181
Company shareholders' equity	$ 5,170	$ 4,974
Noncontrolling interest in consolidated subsidiaries	9	9
Total shareholders' equity	5,179	4,983
Total liabilities and shareholders' equity	$ 20,575	$ 20,680