New Accounting Standards New Accounting Standards (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 29, 2019	Jun. 30, 2018	Jun. 29, 2019	Jun. 30, 2018	Dec. 29, 2018	Dec. 30, 2017
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Document Period End Date			Jun. 29, 2019
Deferred Revenue, Revenue Recognized			$ 65.9	$ 66.2
Accounts and Financing Receivable, after Allowance for Credit Loss, Current	$ 1,823.9		1,823.9		$ 1,607.8
Net Sales	3,761.3	$ 3,643.6	7,094.9	6,852.9
Cost of Goods and Services Sold	2,461.5	2,356.5	4,689.5	4,400.1
Selling, General and Administrative Expense	776.2	801.8	1,536.8	1,580.6
Accounts Receivable, Credit Loss Expense (Reversal)	6.1	4.0	24.4	10.8
Other Noninterest Expense	62.2	119.3	127.6	177.3
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest	403.7	294.4	598.5	546.2
Income Tax Expense (Benefit)	51.6	1.0	76.3	82.7
Net Income (Loss) Attributable to Parent	$ 356.3	$ 293.6	$ 526.2	$ 464.2
Earnings Per Share, Diluted	$ 2.37	$ 1.93	$ 3.50	$ 3.03
Other Assets, Noncurrent	$ 1,290.2		$ 1,290.2		482.3
Long-term Debt, Current Maturities	3.1		3.1		2.5
Accrued Liabilities, Current	1,864.6		1,864.6		1,389.8
Long-term Debt, Excluding Current Maturities	3,909.1		3,909.1		3,819.8
Deferred Tax Liabilities, Net, Noncurrent	730.5		730.5		705.3
Other Liabilities, Noncurrent	2,422.2		2,422.2		2,446.0
Retained Earnings (Accumulated Deficit)	6,549.9		6,549.9		6,219.0
Accumulated Other Comprehensive Income (Loss), Net of Tax	(1,814.0)	$ (1,772.4)	(1,814.0)	$ (1,772.4)	(1,814.3)	$ (1,589.1)
Increase (Decrease) in Operating Capital	35.9	(185.0)	(580.9)	(729.3)
Increase (Decrease) in Other Operating Assets and Liabilities, Net	11.5	38.9	133.9	137.7
Net Cash Provided by (Used in) Operating Activities	(501.0)	(198.0)	(69.7)	151.4
Net Cash Provided by (Used in) Investing Activities	(32.2)	$ (587.5)	(1,039.5)	$ (713.8)
Cash and Cash Equivalents, at Carrying Value	$ 310.7		$ 310.7		$ 288.7