v3.25.1
CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Millions, $ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Income Statement [Abstract]    
Net revenues $ 2,652 $ 2,366
Operating costs and expenses and other operating income:    
Cost of services 1,789 1,595
Selling, general and administrative 476 440
Amortization of intangible assets 39 29
Other operating expense, net 2 2
Total operating costs and expenses, net 2,306 2,066
Operating income 346 300
Other income (expense):    
Interest expense, net (67) (43)
Other (expense) income, net (3) 9
Total non-operating expense, net (70) (34)
Income before income taxes and equity in earnings of equity method investees 276 266
Income tax expense (59) (66)
Equity in earnings of equity method investees, net of taxes 18 8
Net income 235 208
Less: Net income attributable to noncontrolling interests 15 14
Net income attributable to Quest Diagnostics $ 220 $ 194
Earnings per share attributable to Quest Diagnostics’ common stockholders:    
Basic (in dollars per share) $ 1.97 $ 1.74
Diluted (in dollars per share) $ 1.94 $ 1.72
Weighted average common shares outstanding:    
Basic (in Shares) 111 111
Diluted (in Shares) 113 112