Fair Value Measurements, Assets and Liabilities (Details) - Fair Value, Recurring [Member] - USD ($) $ in Millions	Mar. 28, 2020	Dec. 31, 2019
Assets [Abstract]
Cash equivalents	$ 1,727	$ 1,280
Investments in common stock, mutual funds and other similar instruments	17	19
Warrants	6	6
Insurance contracts	115	131
Derivative contracts	110	37
Total Assets	1,975	1,473
Liabilities [Abstract]
Derivative contracts	32	24
Contingent consideration	54	55
Total Liabilities	86	79
Quoted Prices in Active Markets (Level I) [Member]
Assets [Abstract]
Cash equivalents	1,727	1,280
Investments in common stock, mutual funds and other similar instruments	17	19
Total Assets	1,744	1,299
Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Warrants	6	6
Insurance contracts	115	131
Derivative contracts	110	37
Total Assets	231	174
Liabilities [Abstract]
Derivative contracts	32	24
Total Liabilities	32	24
Significant Unobservable Inputs (Level 3) [Member]
Liabilities [Abstract]
Contingent consideration	54	55
Total Liabilities	$ 54	$ 55