Consolidated Statements of Operations - USD ($) $ in Millions		12 Months Ended
		Jan. 02, 2021		Dec. 28, 2019		Dec. 29, 2018
Income Statement [Abstract]
Net Sales	[1]	$ 14,534.6		$ 14,442.2		$ 13,982.4
Costs and Expenses
Cost of sales	[1]	9,566.7		9,636.7		9,131.3
Selling, general and administrative	[1]	3,048.5		3,008.0		3,143.7
Provision for credit losses	[1]	41.1		33.0		28.0
Other, net	[1]	262.8		249.1		287.0
Loss (gain) on sales of businesses		13.5	[2]	(17.0)	[1]	0.8	[1]
Restructuring charges	[1]	83.0		154.1		160.3
Loss on debt extinguishments	[1]	46.9		17.9		0.0
Interest income	[1]	(18.0)		(53.9)		(68.7)
Interest expense	[1]	223.1		284.3		277.9
Costs and Expenses, Total	[1]	13,267.6		13,312.2		12,960.3
Earnings before income taxes and equity interest	[1]	1,267.0		1,130.0		1,022.1
Income taxes	[1]	41.4		160.8		416.3
Net earnings before equity interest	[1]	1,225.6		969.2		605.8
Share of net earnings (losses) of equity method investment		9.1	[2]	(11.2)	[1]	0.0	[1]
Net earnings	[1]	1,234.7		958.0		605.8
Less: Net earnings attributable to non-controlling interests	[1]	0.9		2.2		0.6
Net Income (Loss) Attributable to Parent, Total	[1]	1,233.8		955.8		605.2
Less: Preferred stock dividends and beneficial conversion feature	[1]	24.1		1.8		1.8
Net Earnings Attributable to Common Shareowners	[1]	1,209.7		954.0		603.4
Add: Contract adjustment payments accretion	[1]	1.7		1.7		0.9
Net Earnings Attributable to Common Shareowners - Diluted	[1]	$ 1,211.4		$ 955.7		$ 604.3
Earnings per share of common stock:
Basic (in dollars per share)	[1]	$ 7.85		$ 6.43		$ 4.05
Diluted (in dollars per share)	[1]	$ 7.46		$ 6.11		$ 3.85

[1] See Note A, Significant Accounting Policies - Restatement, for discussion regarding the impacts of the Restatement.

[2] See Note A, Significant Accounting Policies - Restatement, for discussion regarding the impacts of the Restatement.