v3.24.0.1
Consolidated Statements of Income and Comprehensive Income - USD ($)
shares in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Statement of comprehensive income [abstract]      
REVENUE $ 2,708 $ 2,468 $ 2,194
OPERATING EXPENSES      
Salaries and benefits 1,664 1,393 1,222
Goods and services purchased 461 468 432
Share-based compensation 21 25 75
Acquisition, integration and other 55 40 23
Depreciation 141 124 115
Amortization of intangible assets 183 134 142
Total 2,525 2,184 2,009
OPERATING INCOME 183 284 185
OTHER (INCOME) EXPENSES      
Changes in business combination-related provisions (20) 0 0
Interest expense 144 41 44
Foreign exchange gain 0 (7) (1)
INCOME BEFORE INCOME TAXES 59 250 142
Income tax expense 5 67 64
NET INCOME 54 183 78
Items that may subsequently be reclassified to income      
Change in unrealized fair value of derivatives designated as cash flow hedges (27) 43 40
Exchange differences arising from translation of foreign operations 26 (89) (95)
Total items that may subsequently be reclassified to income (1) (46) (55)
Item that will not be subsequently reclassified to income      
Employee defined benefit plan re-measurements 1 3 0
Total items never subsequently reclassified to income 0 (43) (55)
COMPREHENSIVE INCOME $ 54 $ 140 $ 23
EARNINGS PER SHARE      
Basic earnings per share (in dollars per share) $ 0.20 $ 0.69 $ 0.30
Diluted earnings per share (in dollars per share) $ 0.18 $ 0.68 $ 0.29
TOTAL WEIGHTED AVERAGE COMMON SHARES OUTSTANDING      
Basic (in shares) 274 266 264
Diluted (in shares) 286 270 267