CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (Unaudited) - USD ($) $ in Millions	Total	Common Shares ($1 par value)	Paid-In Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive  (Loss) Income	Noncontrolling Interest
Balance at Dec. 31, 2020	$ 421	$ 258	$ 0	$ 79	$ (142)	$ 226
Increase (Decrease) in Stockholders' Equity
Total comprehensive income (loss)	90			94	(12)	8
Shares issued	0	1	(1)
Shares retired:
Repurchased	(303)	(6)	(27)	(270)
Surrendered (non-cash)	(13)			(13)
Redeemable noncontrolling interest - redemption adjustment	(6)			(6)
Stock-based compensation	28		28
Balance at Mar. 31, 2021	217	253	0	(116)	(154)	234
Balance at Dec. 31, 2020	421	258	0	79	(142)	226
Increase (Decrease) in Stockholders' Equity
Total comprehensive income (loss)	470
Shares retired:
Redeemable noncontrolling interest - redemption adjustment	(6)
Balance at Jun. 30, 2021	60	247	0	(640)	239	214
Balance at Mar. 31, 2021	217	253	0	(116)	(154)	234
Increase (Decrease) in Stockholders' Equity
Total comprehensive income (loss)	380			(36)	393	23
Shares retired:
Repurchased	(447)	(6)	(12)	(429)
Cash dividends declared	(59)			(59)
Dividends declared to noncontrolling interest	(43)					(43)
Redeemable noncontrolling interest - redemption adjustment	0
Stock-based compensation	12		12
Balance at Jun. 30, 2021	60	247	0	(640)	239	214
Balance at Dec. 31, 2021	56	241	0	(652)	232	235
Increase (Decrease) in Stockholders' Equity
Total comprehensive income (loss)	242			233	(6)	15
Shares issued	1	1
Shares retired:
Repurchased	(364)	(6)	(27)	(331)
Surrendered (non-cash)	(17)			(17)
Cash dividends declared	(67)			(67)
Redeemable noncontrolling interest - redemption adjustment	1			1
Stock-based compensation	27		27
Balance at Mar. 31, 2022	(121)	236	0	(833)	226	250
Balance at Dec. 31, 2021	56	241	0	(652)	232	235
Increase (Decrease) in Stockholders' Equity
Total comprehensive income (loss)	482
Shares retired:
Redeemable noncontrolling interest - redemption adjustment	0
Balance at Jun. 30, 2022	(563)	225	7	(1,154)	180	179
Balance at Mar. 31, 2022	(121)	236	0	(833)	226	250
Increase (Decrease) in Stockholders' Equity
Total comprehensive income (loss)	240			278	(46)	8
Shares retired:
Repurchased	(550)	(11)	(5)	(534)
Cash dividends declared	(64)			(64)
Dividends declared to noncontrolling interest	(79)					(79)
Redeemable noncontrolling interest - redemption adjustment	(1)			(1)
Stock-based compensation	12		12
Balance at Jun. 30, 2022	$ (563)	$ 225	$ 7	$ (1,154)	$ 180	$ 179