Condensed Statements of Cash Flows - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Operating Activities
Net income	$ 1,130.3	$ 990.1
Adjustments to reconcile net income to net cash and cash equivalents provided by (used for) operating activities:
Stock-based compensation	10.4	5.0
Gains on disposition of property, plant and equipment	(13.0)	0.0
Loss on debt extinguishment	0.0	47.6
Depreciation and amortization	450.3	432.4
Deferred income taxes	(3.7)	(25.2)
Qualified pension plan contributions	(0.9)	(1.0)
Qualified pension plan income	(24.7)	(20.8)
Change in:
Receivables	(25.8)	(291.6)
Income taxes receivable/payable	75.5	64.8
Inventories	(102.9)	(161.8)
Other current assets	5.8	18.4
Accounts payable and accrued liabilities	31.7	157.9
Other assets	(17.5)	(9.2)
Other noncurrent liabilities	(9.1)	41.3
Other operating activities	3.3	3.8
Net operating activities	1,509.7	1,251.7
Investing Activities
Capital expenditures	(168.4)	(135.8)
Proceeds from disposition of property, plant and equipment	14.9	0.0
Net investing activities	(153.5)	(135.8)
Long-term debt:
Borrowings	215.0	390.0
Repayments	(415.9)	(1,241.1)
Debt early redemption premiums	0.0	(37.7)
Common stock repurchased and retired	(1,100.6)	(68.3)
Stock options exercised	21.3	58.3
Dividends paid	(89.4)	(95.8)
Debt issuance costs	0.0	(3.8)
Net financing activities	(1,369.6)	(998.4)
Effect of exchange rate changes on cash and cash equivalents	(3.5)	(1.1)
Net (decrease) increase in cash and cash equivalents	(16.9)	116.4
Cash and cash equivalents, beginning of year	180.5	189.7
Cash and cash equivalents, end of period	163.6	306.1
Cash paid for interest and income taxes:
Interest, net	122.1	218.2
Income taxes, net of refunds	213.0	104.5
Non-cash investing activities:
Decrease in capital expenditures included in accounts payable and accrued liabilities	$ 12.0	$ 29.8