Intangible Assets and Goodwill - Amortized Intangible Assets, Excluding Goodwill, By Business Segment (Details) - USD ($) $ in Millions	Apr. 04, 2026	Dec. 31, 2025
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	$ 5,130	$ 5,062
Accumulated Amortization	2,084	1,958
Products and Systems Integration
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	2,706	2,707
Accumulated Amortization	616	552
Software and Services
Intangible Asset, Acquired, Finite-Lived [Line Items]
Gross Carrying Amount	2,424	2,355
Accumulated Amortization	$ 1,468	$ 1,406