Pension Benefits Plan Assets (Details) - Global plans - Pension - USD ($) $ in Millions		12 Months Ended
		Jan. 01, 2022		Jan. 02, 2021		Dec. 28, 2019
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		$ 4,959		$ 5,211		$ 5,170
Net Asset Value Excluded From Fair Value By Input		2,507	[1]	2,791	[2]
Expected contribution by Company		3
Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		354		360
Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		1,829		1,780
Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		269		280
Cash and Cash Equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		31		42
Net Asset Value Excluded From Fair Value By Input		0	[1]	3	[2]
Cash and Cash Equivalents | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		36		35
Cash and Cash Equivalents | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		(5)		4
Cash and Cash Equivalents | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Corporate stock, common
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		318		325
Net Asset Value Excluded From Fair Value By Input		0	[1]	0	[2]
Corporate stock, common | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		318		325
Corporate stock, common | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Corporate stock, common | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		$ 0		$ 0
Domestic Corporate Common Stock
Defined Benefit Plan Disclosure [Line Items]
Percentage of consolidated plan assets represented by investment in Company comon stock		1.20%		1.10%
Mutual Fund International Equity
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets				$ 2
Net Asset Value Excluded From Fair Value By Input	[2]			2
Mutual Fund International Equity | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets				0
Mutual Fund International Equity | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets				0
Mutual Fund International Equity | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets				0
Mutual Funds Domestic Debt
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		$ 51		5
Net Asset Value Excluded From Fair Value By Input		0	[1]	0	[2]
Mutual Funds Domestic Debt | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Mutual Funds Domestic Debt | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		51		5
Mutual Funds Domestic Debt | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Collective Trusts Domestic Equity
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		1,034		1,508
Net Asset Value Excluded From Fair Value By Input		1,034	[1]	1,508	[2]
Collective Trusts Domestic Equity | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Collective Trusts Domestic Equity | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Collective Trusts Domestic Equity | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Collective Trusts Other International Debt
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		1,076		963
Net Asset Value Excluded From Fair Value By Input		477	[1]	415	[2]
Collective Trusts Other International Debt | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Collective Trusts Other International Debt | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		599		548
Collective Trusts Other International Debt | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Limited Partnership
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		207		292
Net Asset Value Excluded From Fair Value By Input		207	[1]	292	[2]
Limited Partnership | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Limited Partnership | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Limited Partnership | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Bonds, corporate
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		766		361
Net Asset Value Excluded From Fair Value By Input		370	[1]	141	[2]
Bonds, corporate | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Bonds, corporate | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		396		220
Bonds, corporate | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Bonds, government
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		597		861
Net Asset Value Excluded From Fair Value By Input		0	[1]	0	[2]
Bonds, government | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Bonds, government | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		597		861
Bonds, government | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Bonds, other
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		87		64
Net Asset Value Excluded From Fair Value By Input		0	[1]	0	[2]
Bonds, other | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Bonds, other | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		87		64
Bonds, other | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		416		421
Net Asset Value Excluded From Fair Value By Input		416	[1]	421	[2]
Real estate | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Real estate | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Real estate | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Other
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		107		87
Net Asset Value Excluded From Fair Value By Input		3	[1]	9	[2]
Other | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Other | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		104		78
Other | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		$ 0		0
Debt Securities
Defined Benefit Plan Disclosure [Line Items]
Weighted-average target asset allocation		31.00%
Equity Securities
Defined Benefit Plan Disclosure [Line Items]
Weighted-average target asset allocation		29.00%
Real Estate And Other
Defined Benefit Plan Disclosure [Line Items]
Weighted-average target asset allocation		40.00%
Buy-in annuity contract
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		$ 269		280
Net Asset Value Excluded From Fair Value By Input		0	[1]	0	[2]
Buy-in annuity contract | Level 1 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Buy-in annuity contract | Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		0		0
Buy-in annuity contract | Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets		$ 269		$ 280		$ 0

[1] Certain assets that are measured at fair value using the NAV per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.

[2] Certain assets that are measured at fair value using the NAV per share (or its equivalent) practical expedient have not been classified in the fair value hierarchy.