Fair Value Measurements, Assets and Liabilities (Details) - Fair Value, Recurring [Member] - USD ($) $ in Millions	Jun. 27, 2020	Dec. 31, 2019
Assets [Abstract]
Cash equivalents	$ 4,307	$ 1,280
Investments in common stock, mutual funds and other similar instruments	20	19
Warrants	8	6
Insurance contracts	132	131
Derivative contracts	65	37
Total Assets	4,532	1,473
Liabilities [Abstract]
Derivative contracts	80	24
Contingent consideration	53	55
Total Liabilities	133	79
Quoted Prices in Active Markets (Level I) [Member]
Assets [Abstract]
Cash equivalents	4,307	1,280
Investments in common stock, mutual funds and other similar instruments	20	19
Total Assets	4,327	1,299
Significant Other Observable Inputs (Level 2) [Member]
Assets [Abstract]
Warrants	8	6
Insurance contracts	132	131
Derivative contracts	65	37
Total Assets	205	174
Liabilities [Abstract]
Derivative contracts	80	24
Total Liabilities	80	24
Significant Unobservable Inputs (Level 3) [Member]
Liabilities [Abstract]
Contingent consideration	53	55
Total Liabilities	$ 53	$ 55