Debt (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Schedule of Short-term Borrowing

Short-term borrowings.

December 31,	2021		2020
Short-term borrowings	$	75	$	77

Schedule of Long-Term Debt

Long-Term Debt.

December 31,	2021			2020
6.75% Notes, due 2024	$	—		$	750
7.00% Notes, due 2026		—			500
5.500% Notes, due 2027		750			750
6.125% Notes, due 2028		500			500
4.125% Notes, due 2029		500			—
Other		5			6
Unamortized discounts and deferred financing costs		(28	)		(41	)
Total		1,727			2,465
Less: amount due within one year		1			2
Long-term debt, less amount due within one year	$	1,726		$	2,463