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Information by Segment and Geographic Region - Net Sales and Operating Earnings by Segment (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 31, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Net sales	$ 2,377	$ 1,994	$ 1,860	$ 1,657	$ 2,254	$ 1,862	$ 1,760	$ 1,468	$ 7,887	$ 7,343	$ 6,380
Operating earnings	$ 590	$ 413	$ 349	$ 229	$ 516	$ 294	$ 273	$ 171	1,581	1,255	1,284
Total other expense									(580)	(153)	(208)
Earnings from continuing operations before income taxes									1,001	1,102	1,076
Products and Systems Integration
Segment Reporting Information [Line Items]
Net sales									5,329	5,100	4,513
Operating earnings									994	854	969
Software and Services
Segment Reporting Information [Line Items]
Net sales									2,558	2,243	1,867
Operating earnings									$ 587	$ 401	$ 315