Debt (Tables)

12 Months Ended

Dec. 31, 2022

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

Debt.

December 31,	2022		2021
5.125% Notes, due 2024	$	1,081	$	1,150
6.875% Notes, due 2025	600		600
5.900% Notes, due 2027	625		625
6.750% Bonds, due 2028	300		300
3.000% Notes, due 2029	700		700
5.950% Notes, due 2037	625		625
4.750% Iowa Finance Authority Loan, due 2042	250		250
Other(1)	(19)		(18)
	4,162		4,232
Less: amount due within one year	—		5
Total long-term debt	$	4,162	$	4,227

(1)Includes various financing arrangements related to subsidiaries, unamortized debt discounts and unamortized debt issuance costs related to outstanding notes and bonds listed in the table above.