v3.26.1
Shares and Stockholders' Equity - Reconciliation of the Denominator Calculations of Basic and Diluted EPS (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Stockholders' Equity Note [Abstract]        
Net income (loss) available to common stockholders – basic $ 1,321 $ 688 $ 1,114 $ (69)
Deferred units of LNC stock in our deferred compensation plans 0 0 (5) 0
Net income (loss) available to common stockholders $ 1,321 $ 688 $ 1,109 $ (69)
Weighted-average shares, as used in basic calculation (in shares) 192,862,677 177,175,326 192,379,752 174,264,554
Incremental common shares from assumed exercise or issuance of stock-based incentive compensation awards (in shares) 2,818,598 2,773,060 3,348,918 2,769,320
Average deferred compensation shares (in shares) 737,319 654,279 731,584 0
Weighted-average shares, as used in diluted calculation (in shares) 196,418,594 180,602,665 196,460,254 177,033,874
Net income (loss) per share:        
Basic (in dollars per share) $ 6.85 $ 3.88 $ 5.79 $ (0.39)
Diluted (in dollars per share) $ 6.72 $ 3.80 $ 5.65 $ (0.39)