v3.20.1
Goodwill and Intangible Assets - Goodwill (Details)
3 Months Ended
Mar. 31, 2020
USD ($)
Changes in the carrying amount of goodwill  
Balance at the beginning of the period $ 15,604,000,000
Foreign currency translation adjustments (43,000,000)
Balance at the end of the period 15,561,000,000
Accumulated goodwill impairment losses  
Accumulated goodwill impairment losses $ 0