years ended December 31 (in millions) | 2016 | 2015 | 2014 | ||||||||
Current | |||||||||||
Domestic | $ | 2,229 | $ | 1,036 | $ | 634 | |||||
Foreign | 498 | 313 | 341 | ||||||||
Total current taxes | $ | 2,727 | $ | 1,349 | $ | 975 | |||||
Deferred | |||||||||||
Domestic | $ | (792 | ) | $ | 141 | $ | (301 | ) | |||
Foreign | (4 | ) | 11 | (79 | ) | ||||||
Total deferred taxes | $ | (796 | ) | $ | 152 | $ | (380 | ) | |||
Total income tax expense | $ | 1,931 | $ | 1,501 | $ | 595 |