Quarterly report pursuant to Section 13 or 15(d)

Investments (Details 3)

v3.19.1
Investments (Details 3) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 29, 2019
Mar. 30, 2018
Dec. 31, 2018
Debt securities, by type      
Available-for-sale Securities, Amortized Cost Basis $ 4,631    
Debt Securities, Trading, and Equity Securities, FV-NI, Cost 4,673   $ 4,946
Debt securities, gross unrealized gain 128   119
Debt securities, gross unrealized loss 14   28
Debt Securities 4,787   5,037
Equity Securities [Member]      
Debt securities, by type      
Available-for-sale Securities, Gross Realized Gains 5 $ 0  
Trading Securities, Equity, Cost 42   45
Trading Securities, Unrealized Holding Gain 0   0
Trading Securities, Unrealized Holding Loss 0   1
Debt Securities, Trading, and Equity Securities, FV-NI 42   44
Available-for-sale Securities, Debt Securities 4,631   4,901
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 128   119
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 14   27
Available-for-sale Securities Fair Value 4,745   4,993
Available-for-sale Securities, Gross Realized Losses 3 5  
Proceeds from Sale of Available-for-sale Securities 722 $ 3,087  
Available-for-sale Securities [Member]      
Debt securities, by type      
Debt Securities 4,745   4,993
Trading Securities [Member]      
Debt securities, by type      
Debt Securities 42   44
Cash and Cash Equivalents [Member] | Available-for-sale Securities [Member]      
Debt securities, by type      
Debt Securities 7   0
Cash and Cash Equivalents [Member] | Trading Securities [Member]      
Debt securities, by type      
Debt Securities 0   0
Marketable Securities [Member] | Available-for-sale Securities [Member]      
Debt securities, by type      
Debt Securities 4,421   4,691
Marketable Securities [Member] | Trading Securities [Member]      
Debt securities, by type      
Debt Securities 42   44
Other Assets | Available-for-sale Securities [Member]      
Debt securities, by type      
Debt Securities 317   302
Other Assets | Trading Securities [Member]      
Debt securities, by type      
Debt Securities $ 0   $ 0