Goodwill and Identifiable Intangible Assets - Summary of Goodwill by Segment (Detail) - USD ($) $ in Millions |
12 Months Ended | |
---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
Goodwill | ||
Beginning Balance | $ 12,654 | $ 12,159 |
Business combinations | 1,060 | 115 |
Impact of foreign currency fluctuations and other | (413) | 380 |
Ending Balance | 13,301 | 12,654 |
Technology & Analytics Solutions | ||
Goodwill | ||
Beginning Balance | 10,864 | 10,374 |
Business combinations | 874 | 86 |
Impact of foreign currency fluctuations and other | (401) | 404 |
Ending Balance | 11,337 | 10,864 |
Research & Development Solutions | ||
Goodwill | ||
Beginning Balance | 1,646 | 1,646 |
Business combinations | 160 | 29 |
Impact of foreign currency fluctuations and other | (4) | (29) |
Ending Balance | 1,802 | 1,646 |
Contract Sales & Medical Solutions | ||
Goodwill | ||
Beginning Balance | 144 | 139 |
Business combinations | 26 | 0 |
Impact of foreign currency fluctuations and other | (8) | 5 |
Ending Balance | $ 162 | $ 144 |