LONG-TERM DEBT AND FINANCING ARRANGEMENTS - Additional Information (Detail) - USD ($) $ in Millions			1 Months Ended			12 Months Ended
		Dec. 15, 2018	Dec. 31, 2020	Nov. 30, 2020	Feb. 29, 2020	Jan. 02, 2021		Dec. 28, 2019	Dec. 29, 2018	Jan. 01, 2022	Jun. 27, 2020	Sep. 28, 2019	Mar. 31, 2018	Dec. 28, 2013	Jul. 31, 2012
Debt Instrument [Line Items]
Principal amount of long-term debt maturing after year five						$ 4,300.0
Fair value adjustment and unamortized gain termination of swap						(26.6)
Interest paid						192.1		$ 252.9	$ 249.6
Long-term debt, face amount						4,300.0
Repayments of long-term Debt						1,154.3	[1]	1,150.0	977.5
Proceeds from issuance of long-term debt						990.0
Unamortized debt discount						5.8
Debt issuance costs						9.1
Loss on debt extinguishments	[2]					46.9		17.9	0.0
Long-term debt, including current maturities						4,245.4		3,179.5
Commercial Paper and Credit Facilities [Abstract]
Line of credit facility, maximum borrowing capacity						3,500.0
Short-term credit lines						1.5		337.3
Equity Unit Shares Issuable Upon Conversion [Abstract]
Commercial paper maximum borrowing capacity						3,000.0						$ 3,000.0	$ 3,000.0
Debt issuance costs				$ 10.1
Debt issuance costs						35.9
Unamortized debt issuance expense						0.9
Current maturities of long-term debt						0.0		3.1	977.5
Interest coverage ratio											350.00%
Forecast
Equity Unit Shares Issuable Upon Conversion [Abstract]
Interest coverage ratio										250.00%
Cash Flow Hedging
Equity Unit Shares Issuable Upon Conversion [Abstract]
Gain (Loss) reclassified from OCI to income (Effective Portion)						(15.4)		(13.1)	$ (15.4)
London Interbank Offered Rate (LIBOR)
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate		4.304%
Notes Payable Maturities 2028
Debt Instrument [Line Items]
Long-term debt, face amount						500.0
Notes Payable Maturities 2048
Debt Instrument [Line Items]
Long-term debt, face amount						$ 500.0
Note 4 point
Debt Instrument [Line Items]
Interest Rate						4.25%
Notes payable due 2048
Debt Instrument [Line Items]
Interest Rate						4.85%
Notes 5 Point 75 Percent due 2053
Debt Instrument [Line Items]
Interest Rate														5.75%
Repayments of long-term Debt						$ 405.7
Long-term debt, including current maturities														$ 400.0
Notes 7 Point 08 Percent due 2053
Debt Instrument [Line Items]
Loss on debt extinguishments						(3.2)
Equity Unit Shares Issuable Upon Conversion [Abstract]
Write off of deferred debt issuance cost						7.8
Notes 7 Point 08 Percent due 2053 | Cash Flow Hedging
Equity Unit Shares Issuable Upon Conversion [Abstract]
Gain (Loss) reclassified from OCI to income (Effective Portion)						4.6
Notes payable due 2052 (junior subordinated)
Debt Instrument [Line Items]
Interest Rate															5.75%
Repayments of long-term Debt						760.5
Loss on debt extinguishments						17.9
Junior subordinated notes															$ 750.0
Notes payable due 2050
Debt Instrument [Line Items]
Interest Rate				2.75%
Notes payable due 2060 (junior subordinated)
Equity Unit Shares Issuable Upon Conversion [Abstract]
Debt instrument, redemption price, percentage					100.00%
Notes 3 Point 4 Percent due 2026
Debt Instrument [Line Items]
Interest Rate					2.30%
Notes payable due 2022
Debt Instrument [Line Items]
Loss on debt extinguishments			$ 19.6
Fixed To Floating Interest Rate Swap | Junior Subordinated Debt
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt						1,483.0
Fixed To Floating Interest Rate Swap | Notes 3 Point 4 Percent due 2026
Debt Instrument [Line Items]
Long-term debt, face amount						$ 500.0
Interest Rate						3.40%
Proceeds from issuance of long-term debt						$ 496.2
Fixed To Floating Interest Rate Swap | Notes payable due 2021
Debt Instrument [Line Items]
Interest Rate				3.40%
Fixed To Floating Interest Rate Swap | Notes payable due 2028
Debt Instrument [Line Items]
Fair value adjustment and unamortized gain termination of swap						(7.9)
Fixed To Floating Interest Rate Swap | Notes payable due 2050
Debt Instrument [Line Items]
Long-term debt, face amount				$ 750.0		$ 750.0
Interest Rate						2.75%
Proceeds from issuance of long-term debt				739.9
Unamortized debt discount						$ 2.0
Loss on debt extinguishments				(46.9)
Long-term debt, including current maturities						739.9		0.0
Equity Unit Shares Issuable Upon Conversion [Abstract]
Early repayment of senior debt				1,200.0
Debt instrument, unamortized discount (premium) and debt issuance costs, net				48.7
Write off of deferred debt issuance cost				1.7
Debt issuance costs						8.1
Gain (loss) on fair value hedges recognized in earnings				$ (3.5)
Fixed To Floating Interest Rate Swap | Notes payable due 2060 (junior subordinated)
Debt Instrument [Line Items]
Long-term debt, face amount					$ 750.0	$ 750.0
Interest Rate					4.00%	4.00%
Unamortized debt discount						$ 0.0
Long-term debt, including current maturities						740.7		0.0
Equity Unit Shares Issuable Upon Conversion [Abstract]
Debt issuance costs						9.3
Fixed To Floating Interest Rate Swap | Notes payable due 2030
Debt Instrument [Line Items]
Long-term debt, face amount					$ 750.0	$ 750.0
Interest Rate						2.30%
Unamortized debt discount						$ 2.3
Long-term debt, including current maturities						742.9		0.0
Equity Unit Shares Issuable Upon Conversion [Abstract]
Debt issuance costs						4.8
Fixed To Floating Interest Rate Swap | Notes 2 Point 657 Percent Due in 2025
Debt Instrument [Line Items]
Interest Rate					2.657%
Fixed To Floating Interest Rate Swap | Notes payable due 2022
Debt Instrument [Line Items]
Long-term debt, face amount						$ 0.0
Interest Rate				2.90%		2.90%
Unamortized debt discount						$ 0.0
Long-term debt, including current maturities						0.0		752.3
Equity Unit Shares Issuable Upon Conversion [Abstract]
Debt issuance costs						0.0
Gain (loss) on fair value hedges recognized in earnings				$ 19.6
Fixed to Floating Interest Rate Swaps Terminated | Notes payable due 2028
Debt Instrument [Line Items]
Long-term debt, face amount						$ 150.0
Interest Rate						7.05%
Unamortized debt discount						$ 0.0
Long-term debt, including current maturities						166.1		168.3
Equity Unit Shares Issuable Upon Conversion [Abstract]
Debt issuance costs						0.0
Fixed to Floating Interest Rate Swaps Terminated | Notes payable due 2040
Debt Instrument [Line Items]
Long-term debt, face amount						$ 400.0
Interest Rate						5.20%
Unamortized debt discount						$ 0.2
Long-term debt, including current maturities						368.1		366.5
Equity Unit Shares Issuable Upon Conversion [Abstract]
Debt issuance costs						2.7
Euro Denominated Commercial paper
Equity Unit Shares Issuable Upon Conversion [Abstract]
Commercial paper amount outstanding						0.0		$ 335.5
2018 Credit Agreement
Commercial Paper and Credit Facilities [Abstract]
Line of credit facility, current borrowing capacity												1,000.0
Line of Credit
Commercial Paper and Credit Facilities [Abstract]
Line of credit facility, maximum borrowing capacity						469.1
Line of credit facility, available borrowing capacity						373.4
Short-term credit lines						1.5
Letter of Credit
Commercial Paper and Credit Facilities [Abstract]
Short-term credit lines						$ 95.6
5 Year Credit Facility
Commercial Paper and Credit Facilities [Abstract]
Line of credit facility, current borrowing capacity												2,000.0
Committed Credit Facility
Equity Unit Shares Issuable Upon Conversion [Abstract]
Amount of credit facility foreign currency sublimit												$ 653.3
United States of America, Dollars | Line of Credit
Commercial Paper and Credit Facilities [Abstract]
Weighted average interest rates on short-term borrowings						1.30%		2.30%
Euro Member Countries, Euro | Line of Credit
Commercial Paper and Credit Facilities [Abstract]
Weighted average interest rates on short-term borrowings						0.20%		0.30%

[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.