Quarterly report pursuant to Section 13 or 15(d)

Assets And Liabilities Measured At Fair Value (Details)

v3.20.1
Assets And Liabilities Measured At Fair Value (Details) - Recurring - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Assets and Liabilities Measured at Fair Value    
Cash equivalents $ 1,370 $ 992
Debt and equity securities 228 353
Financial instrument assets 168 498
Debt 2,856 3,678
Level 1    
Assets and Liabilities Measured at Fair Value    
Cash equivalents 1,370 992
Debt and equity securities 180 242
Financial instrument assets 26 29
Level 2    
Assets and Liabilities Measured at Fair Value    
Debt and equity securities 48 111
Financial instrument assets 142 469
Debt $ 2,856 $ 3,678