CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, outstanding (in shares)	100,000	100,000
Common stock, par value (in dollars per share)	$ 0.20	$ 0.20
Common stock, authorized (in shares)	1,500,000,000	1,500,000,000
Common stock, issued (in shares)	1,087,270,122	1,083,423,094
Treasury stock (in shares)	150,079,140	149,348,394
Current finance lease liabilities	$ 99	$ 85
Non-current finance lease liabilities	$ 540	$ 504