CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Accounts receivable, allowance	$ 44	$ 34
Other noncurrent assets, allowance	$ 4	$ 5
Common stock, shares issued (in shares)	279,522,227	229,105,589
Common stock, par value (in USD per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	400,000,000	400,000,000
Treasury stock, shares (in shares)	15,708,839	8,673,131