XML 115 R99.htm IDEA: XBRL DOCUMENT v3.22.0.1
Interest Income and Other Non-Operating Income (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Other Income and Expenses [Abstract]      
Non-service pension and OPEB income $ 1,909 $ 1,095 $ 797
Interest income 146 241 429
Licensing agreements income 195 211 165
Revaluation of investments 571 265 80
Other 220 73 (2)
Total interest income and other non-operating income, net $ 3,041 $ 1,885 $ 1,469