Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies Recently Issued Accounting Guidance (Details)

v3.10.0.1
Summary of Significant Accounting Policies Recently Issued Accounting Guidance (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 29, 2018
Mar. 30, 2018
Jun. 30, 2017
Jun. 29, 2018
Jun. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Impact of New Pronouncements              
Net Income from Continuing Operations $ 2,289,000,000   $ 1,372,000,000 $ 3,616,000,000 $ 2,556,000,000    
Cash and cash equivalents 7,975,000,000   11,718,000,000 7,975,000,000 11,718,000,000 $ 6,006,000,000 $ 8,555,000,000
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period 8,369,000,000   11,987,000,000 8,369,000,000 11,987,000,000 6,373,000,000 8,850,000,000
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest (1,000,000)   1,000,000 2,000,000 3,000,000    
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent 2,290,000,000   1,371,000,000 3,614,000,000 2,553,000,000    
Income from Discontinued Operations (net of income taxes) 42,000,000   0 115,000,000 0    
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest 16,000,000   0 45,000,000 0    
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent 26,000,000   0 70,000,000 0    
Consolidated net income 2,331,000,000   1,372,000,000 3,731,000,000 2,556,000,000    
Net Income (Loss) Attributable to Noncontrolling Interest 15,000,000   1,000,000 47,000,000 3,000,000    
Net Income (Loss) Attributable to Parent 2,316,000,000   1,371,000,000 3,684,000,000 2,553,000,000    
Long Lived Assets Held-for-sale, Name [Domain]              
Impact of New Pronouncements              
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period 0   21,000,000 0 21,000,000 13,000,000 49,000,000
Other Assets              
Impact of New Pronouncements              
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period 221,000,000   248,000,000 221,000,000 248,000,000 257,000,000 $ 246,000,000
Assets held for sale - discontinued operations [Member]              
Impact of New Pronouncements              
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period $ 173,000,000     $ 173,000,000   $ 97,000,000  
Accounting Standards Update 2014-09 [Member]              
Impact of New Pronouncements              
Cumulative Effect of New Accounting Principle in Period of Adoption   $ 257,000,000          
Accounting Standards Update 2016-01 [Member]              
Impact of New Pronouncements              
Cumulative Effect of New Accounting Principle in Period of Adoption   409,000,000          
Accounting Standards Update 2016-15 [Member]              
Impact of New Pronouncements              
Proceeds from Insurance Settlement, Investing Activities         49,000,000    
Accounting Standards Update 2016-16 [Member]              
Impact of New Pronouncements              
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification   $ 2,900,000,000          
Accounting Standards Update 2016-18 [Member]              
Impact of New Pronouncements              
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification         28,000,000    
Cash Outflows Related to Cash Included in Insurance Captives         388,000,000    
Cash Inflows Related to Cash Included in Insurance Captives         384,000,000    
Accounting Standards Update 2017-07 [Member]              
Impact of New Pronouncements              
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification     $ (41,000,000)   $ (60,000,000)