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 | 4,113 | | | 4,113 | | | | |
Other comprehensive income (loss), net of tax | 30 | | | | (5) | (20) | 55 | |
Comprehensive income | 4,143 | | | | | | | |
Common stock cash dividends | (2,220) | | | (2,220) | | | | |
Treasury stock purchases | (1,163) | | | | | | | (1,163) |
Share-based compensation | 95 | | 95 | | | | | |
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 149 | | 94 | | | | | $ 55 |
Ending balance (in shares) at Jun. 30, 2023 | | 1,660.6 | | | | | | 931.9 |
Ending 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] | | | | | | | | |
Treasury stock purchases (in shares) | | | | | | | | (4.2) |
Stock option exercises and other (in shares) | | | | | | | | 1.6 |
Beginning balance (in shares) at Mar. 31, 2023 | | 1,660.6 | | | | | | 930.5 |
Beginning balance at Mar. 31, 2023 | (5,776) | $ 17 | 8,636 | 60,235 | (299) | 14 | (2,204) | $ (72,174) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net income | 2,310 | | | 2,310 | | | | |
Other comprehensive income (loss), net of tax | 35 | | | | (3) | (2) | 40 | |
Comprehensive income | 2,345 | | | | | | | |
Common stock cash dividends | (1,109) | | | (1,109) | | | | |
Treasury stock purchases | (579) | | | | | | | (579) |
Share-based compensation | 45 | | 45 | | | | | |
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 75 | | 55 | | | | | $ 20 |
Ending balance (in shares) at Jun. 30, 2023 | | 1,660.6 | | | | | | 931.9 |
Ending 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] | | | | | | | | |
Treasury stock purchases (in shares) | | | | | | | | (2) |
Stock option exercises and other (in shares) | | | | | | | | 0.6 |
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 | 3,951 | | | 3,951 | | | | |
Other comprehensive income (loss), net of tax | (6) | | | | 1 | 39 | (46) | |
Comprehensive income | 3,945 | | | | | | | |
Common stock cash dividends | (2,405) | | | (2,405) | | | | |
Treasury stock purchases | (1,867) | | | | | | | (1,867) |
Share-based compensation | 88 | | 88 | | | | | |
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 121 | | 73 | | | | | $ 48 |
Ending balance (in shares) at Jun. 30, 2024 | | 1,660.6 | | | | | | 943.3 |
Ending 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] | | | | | | | | |
Treasury stock purchases (in shares) | | | | | | | | (6.7) |
Stock option exercises and other (in shares) | | | | | | | | 1.3 |
Beginning balance (in shares) at Mar. 31, 2024 | | 1,660.6 | | | | | | 939.9 |
Beginning balance at Mar. 31, 2024 | (4,833) | $ 17 | 9,001 | 64,203 | (367) | 32 | (2,198) | $ (75,520) |
Increase (Decrease) in Stockholders' Equity [Roll Forward] | | | | | | | | |
Net income | 2,022 | | | 2,022 | | | | |
Other comprehensive income (loss), net of tax | 71 | | | | 0 | 2 | 69 | |
Comprehensive income | 2,093 | | | | | | | |
Common stock cash dividends | (1,199) | | | (1,199) | | | | |
Treasury stock purchases | (946) | | | | | | | (946) |
Share-based compensation | 38 | | 38 | | | | | |
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture | 22 | | 15 | | | | | $ 7 |
Ending balance (in shares) at Jun. 30, 2024 | | 1,660.6 | | | | | | 943.3 |
Ending 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] | | | | | | | | |
Treasury stock purchases (in shares) | | | | | | | | (3.5) |
Stock option exercises and other (in shares) | | | | | | | | 0.1 |
Common stock in treasury, shares | 943.3 | | | | | | | |