Net Earnings Per Common Share (Narrative) (Details) - USD ($) shares in Millions, $ in Millions			3 Months Ended		6 Months Ended
	Apr. 17, 2023	Apr. 15, 2022	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive MCPS shares included in computation of earnings per share (in shares)			1.5	1.1	0.0	6.0
Mandatory convertible preferred stock dividends			$ 0	$ 22	$ 21	$ 63
MCPS Series B
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount				8.6	5.1	8.6
Dilutive MCPS shares included in computation of earnings per share (in shares)			1.5
MCPS Series A
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive MCPS shares included in computation of earnings per share (in shares)				1.1		6.0
Common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share, amount			4.7	2.4	3.5	2.4
Preferred stock | MCPS Series B
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Mandatory convertible preferred stock dividends				$ 22	$ 21	$ 43
Common stock issued in connection with MCPS conversions (in shares)	8.6
Preferred stock | MCPS Series A
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Mandatory convertible preferred stock dividends						$ 20
Common stock issued in connection with MCPS conversions (in shares)		11.0