Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2022	Jan. 01, 2022	Jan. 02, 2021
Revenues
Total revenues	$ 12,869,000,000	$ 12,382,000,000	$ 11,651,000,000
Costs, expenses and other
Selling and administrative expense	1,186,000,000	1,221,000,000	1,045,000,000
Interest expense, net	107,000,000	142,000,000	166,000,000
Special charges	0	25,000,000	147,000,000
Non-service components of pension and postretirement income, net	(240,000,000)	(159,000,000)	(83,000,000)
Gain on business disposition	0	(17,000,000)	0
Total costs, expenses and other	11,853,000,000	11,509,000,000	11,369,000,000
Income from continuing operations before income taxes	1,016,000,000	873,000,000	282,000,000
Income tax expense (benefit)	154,000,000	126,000,000	(27,000,000)
Income from continuing operations	862,000,000	747,000,000	309,000,000
Loss from discontinued operations	(1,000,000)	(1,000,000)	0
Net income	$ 861,000,000	$ 746,000,000	$ 309,000,000
Basic Earnings per share
Continuing operations (in dollars per share)	$ 4.05	$ 3.33	$ 1.35
Diluted Earnings per share
Continuing operations (in dollars per share)	$ 4.01	$ 3.30	$ 1.35
Manufacturing group
Costs, expenses and other
Income from continuing operations	$ 835,000,000	$ 740,000,000	$ 301,000,000
Finance group
Revenues
Total revenues	52,000,000	49,000,000	55,000,000
Costs, expenses and other
Income from continuing operations	27,000,000	7,000,000	8,000,000
Product
Costs, expenses and other
Total cost of sales	9,380,000,000	8,955,000,000	8,715,000,000
Product | Manufacturing group
Revenues
Total revenues	10,945,000,000	10,541,000,000	9,720,000,000
Service
Costs, expenses and other
Total cost of sales	1,420,000,000	1,342,000,000	1,379,000,000
Service | Manufacturing group
Revenues
Total revenues	$ 1,872,000,000	$ 1,792,000,000	$ 1,876,000,000