Condensed Consolidated Statement of Shareholders' Equity - USD ($) shares in Millions, $ in Millions | Total | Common stock issued | Additional paid-in capital | Retained earnings | Pensions | Cash flow hedges | Foreign currency translation | Treasury Stock, Common |
Beginning balance (in shares) at Dec. 31, 2022 | | 1,660.6 | | | | | | 929.3 |
Beginning balance at Dec. 31, 2022 | $ (6,003) | $ 17 | $ 8,547 | $ 59,544 | $ (298) | $ 31 | $ (2,219) | $ (71,624) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net income | 6,430 | | | 6,430 | | | | |
Other comprehensive income (loss), net of tax | (59) | | | | 0 | 31 | (90) | |
Comprehensive income | 6,371 | | | | | | | |
Common stock cash dividends | (3,325) | | | (3,325) | | | | |
Treasury stock purchases | (2,246) | | | | | | | (2,246) |
Share-based compensation | 138 | | 138 | | | | | |
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 211 | | 140 | | | | | $ 71 |
Ending balance (in shares) at Sep. 30, 2023 | | 1,660.6 | | | | | | 935.3 |
Ending balance at Sep. 30, 2023 | (4,855) | $ 17 | 8,825 | 62,649 | (298) | 62 | (2,310) | $ (73,799) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Treasury stock purchases (in shares) | | | | | | | | (7.8) |
Stock option exercises and other (in shares) | | | | | | | | 1.8 |
Beginning balance (in shares) at Jun. 30, 2023 | | 1,660.6 | | | | | | 931.9 |
Beginning balance at Jun. 30, 2023 | (4,999) | $ 17 | 8,736 | 61,437 | (303) | 11 | (2,164) | $ (72,733) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net income | 2,317 | | | 2,317 | | | | |
Other comprehensive income (loss), net of tax | (90) | | | | 4 | 51 | (145) | |
Comprehensive income | 2,227 | | | | | | | |
Common stock cash dividends | (1,105) | | | (1,105) | | | | |
Treasury stock purchases | (1,083) | | | | | | | (1,083) |
Share-based compensation | 43 | | 43 | | | | | |
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 62 | | 46 | | | | | $ 16 |
Ending balance (in shares) at Sep. 30, 2023 | | 1,660.6 | | | | | | 935.3 |
Ending balance at Sep. 30, 2023 | $ (4,855) | $ 17 | 8,825 | 62,649 | (298) | 62 | (2,310) | $ (73,799) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Treasury stock purchases (in shares) | | | | | | | | (3.6) |
Stock option exercises and other (in shares) | | | | | | | | 0.2 |
Common stock in treasury, shares | 937.9 | | | | | | | |
Beginning balance (in shares) at Dec. 31, 2023 | | 1,660.6 | | | | | | 937.9 |
Beginning balance at Dec. 31, 2023 | $ (4,707) | $ 17 | 8,893 | 63,480 | (367) | (6) | (2,083) | $ (74,640) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net income | 6,207 | | | 6,207 | | | | |
Other comprehensive income (loss), net of tax | 119 | | | | (10) | (7) | 136 | |
Comprehensive income | 6,326 | | | | | | | |
Common stock cash dividends | (4,867) | | | (4,867) | | | | |
Treasury stock purchases | (2,310) | | | | | | | (2,310) |
Share-based compensation | 128 | | 128 | | | | | |
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 254 | | 173 | | | | | $ 81 |
Ending balance (in shares) at Sep. 30, 2024 | | 1,660.6 | | | | | | 944 |
Ending balance at Sep. 30, 2024 | (5,177) | $ 17 | 9,194 | 64,819 | (377) | (13) | (1,947) | $ (76,870) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Treasury stock purchases (in shares) | | | | | | | | (8.3) |
Stock option exercises and other (in shares) | | | | | | | | 2.3 |
Beginning balance (in shares) at Jun. 30, 2024 | | 1,660.6 | | | | | | 943.3 |
Beginning balance at Jun. 30, 2024 | (4,824) | $ 17 | 9,055 | 65,026 | (367) | 33 | (2,129) | $ (76,459) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net income | 2,255 | | | 2,255 | | | | |
Other comprehensive income (loss), net of tax | 125 | | | | (11) | (46) | 182 | |
Comprehensive income | 2,380 | | | | | | | |
Common stock cash dividends | (2,462) | | | (2,462) | | | | |
Treasury stock purchases | (443) | | | | | | | (443) |
Share-based compensation | 40 | | 40 | | | | | |
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 133 | | 100 | | | | | $ 33 |
Ending balance (in shares) at Sep. 30, 2024 | | 1,660.6 | | | | | | 944 |
Ending balance at Sep. 30, 2024 | $ (5,177) | $ 17 | $ 9,194 | $ 64,819 | $ (377) | $ (13) | $ (1,947) | $ (76,870) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Treasury stock purchases (in shares) | | | | | | | | (1.6) |
Stock option exercises and other (in shares) | | | | | | | | 1 |
Common stock in treasury, shares | 944 | | | | | | | |