Consolidated Condensed Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Millions	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Allowance for doubtful accounts	$ 125	$ 126
Property, plant and equipment, accumulated depreciation	$ 4,022	$ 3,893
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	2,000,000	2,000,000
Common stock, shares issued (in shares)	870,400	869,300
Common stock, shares outstanding (in shares)	729,200	728,300
Preferred stock
Preferred stock, no par value (in usd per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	15,000	15,000
Preferred stock | 5.00% Mandatory Convertible Preferred Stock, Series B, without par value
Preferred stock, shares issued (in shares)	1,720	1,720
Preferred stock, shares outstanding (in shares)	1,720	1,720
Preferred stock, dividend rate, percent	5.00%