Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Cash Flows [Abstract]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 365.0	$ 177.0	$ 1,182.0	$ 241.0
Adjustments to net income:
Depreciation and amortization	30.0	28.0	88.0	84.0
Impairment of Long-Lived Assets Held-for-use	0.0	1.0	0.0	16.0
Deferred Income Tax Expense (Benefit)	9.0	0.0	15.0	1.0
Gain (Loss) on Extinguishment of Debt	0.0	0.0	11.0	0.0
Other adjustments, net	(3.0)	7.0	7.0	17.0
Receivables	64.0	(48.0)	(59.0)	(75.0)
Prepaid expenses and other current assets	1.0	(2.0)	(5.0)	(7.0)
Inventories	(13.0)	4.0	(66.0)	6.0
Accounts payable and accrued liabilities	28.0	35.0	64.0	13.0
Income taxes payable, net of receivables	(31.0)	(16.0)	(46.0)	(42.0)
Net cash provided by operating activities	511.0	218.0	1,283.0	338.0
CASH FLOWS FROM INVESTING ACTIVITIES:
Property, plant, and equipment additions	(68.0)	(14.0)	(133.0)	(53.0)
Proceeds from Divestiture of Businesses	0.0	1.0	0.0	15.0
Proceeds from Life Insurance Policy	0.0	0.0	0.0	10.0
Other investing activities	0.0	0.0	3.0	3.0
Net cash used in investing activities	(68.0)	(13.0)	(131.0)	(25.0)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from Issuance of Long-term Debt	0.0	0.0	350.0	350.0
Repayments of Long-term Debt	0.0	0.0	(359.0)	(350.0)
Payment of cash dividend	(17.0)	(16.0)	(50.0)	(49.0)
Purchase of stock	(399.0)	(29.0)	(987.0)	(29.0)
Other financing activities	0.0	0.0	(12.0)	(6.0)
Net cash used in financing activities	(416.0)	(45.0)	(1,058.0)	(84.0)
EFFECT OF EXCHANGE RATE ON CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(11.0)	1.0	(10.0)	(4.0)
Net increase in cash, cash equivalents and restricted cash	17.0	161.0	84.0	225.0
Cash, cash equivalents and restricted cash at beginning of period	603.0	259.0	535.0	195.0
Cash, cash equivalents and restricted cash at end of period	620.0	420.0	620.0	420.0
Income Taxes Paid, Net	84.0	45.0	305.0	48.0
Interest Paid, Including Capitalized Interest, Operating and Investing Activities	7.0	7.0	16.0	19.0
Capital Expenditures Incurred but Not yet Paid	$ 42.0	$ 4.0	$ 42.0	$ 4.0