Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Summary of Significant Accounting Policies Recently Issued Accounting Guidance (Details) - USD ($)
3 Months Ended
Mar. 29, 2019
Mar. 30, 2018
Jan. 01, 2019
Dec. 31, 2018
Dec. 31, 2017
Impact of New Pronouncements          
Operating Lease, Right-of-Use Asset $ 1,242,000,000        
Operating Lease, Liability 1,268,000,000        
Cash and cash equivalents 5,645,000,000 $ 8,291,000,000   $ 8,926,000,000 $ 6,006,000,000
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period 6,124,000,000 8,748,000,000   9,318,000,000 6,373,000,000
Net Income from Continuing Operations 1,646,000,000 1,327,000,000      
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Noncontrolling Interest 1,000,000 2,000,000      
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent 1,645,000,000 1,325,000,000      
Income (Loss) from Discontinued Operations (net of income taxes) 57,000,000 73,000,000      
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Noncontrolling Interest 24,000,000 30,000,000      
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent 33,000,000 43,000,000      
Consolidated net income 1,703,000,000 1,400,000,000      
Net Income (Loss) Attributable to Noncontrolling Interest 25,000,000 32,000,000      
Net Income (Loss) Attributable to Parent 1,678,000,000 1,368,000,000      
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   7,000,000     13,000,000
Assets held for sale - discontinued operations [Member]          
Impact of New Pronouncements          
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period 203,000,000 169,000,000   151,000,000 97,000,000
Other Assets          
Impact of New Pronouncements          
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents at end of period 276,000,000 $ 281,000,000   $ 241,000,000 $ 257,000,000
Accounting Standards Update 2016-02 [Member]          
Impact of New Pronouncements          
Operating Lease, Liability $ 1,268,000,000        
Accounting Standards Update 2017-12 [Member]          
Impact of New Pronouncements          
Cumulative Effect of New Accounting Principle in Period of Adoption     $ 12,000,000    
Accounting Standards Update 2018-02 [Member]          
Impact of New Pronouncements          
Cumulative Effect of New Accounting Principle in Period of Adoption     $ 513,000,000