| Schedule of company's equity activity |
| | | | | | | | | | | | | | | | | | | | | | | | | Common Stock | | Treasury Stock | | | | | Accumulated Other | | | | | | | | | Number of | | | | Number of | | | | Retained | | Comprehensive | | Noncontrolling | | Total | ($ in millions; share amounts in thousands) | | Shares | | Amount | | Shares | | Amount | | Earnings | | Earnings (Loss) | | Interest | | Equity | | | | | | | | | | | | | | | | | | | | | | | | Balance at March 31, 2026 | | 685,842 | | $ | 1,437 | | (419,674) | | $ | (7,341) | | $ | 12,370 | | $ | (866) | | $ | 19 | | $ | 5,619 | Net earnings | | — | | | — | | — | | | — | | | 221 | | | — | | | 2 | | | 223 | Other comprehensive earnings (loss), net of tax | | — | | | — | | — | | | — | | | — | | | 64 | | | — | | | 64 | Common dividends | | — | | | — | | — | | | — | | | (53) | | | — | | | — | | | (53) | Treasury stock purchases | | — | | | — | | (1,784) | | | (102) | | | — | | | — | | | — | | | (102) | Treasury shares reissued | | — | | | — | | 80 | | | 3 | | | — | | | — | | | — | | | 3 | Shares issued and stock-based compensation, net of shares exchanged | | 141 | | | 10 | | — | | | — | | | — | | | — | | | — | | | 10 | Distributions from deferred compensation plans and other activity | | — | | | — | | — | | | 3 | | | — | | | — | | | (1) | | | 2 | Balance at June 30, 2026 | | 685,983 | | $ | 1,447 | | (421,378) | | $ | (7,437) | | $ | 12,538 | | $ | (802) | | $ | 20 | | $ | 5,766 |
| | | | | | | | | | | | | | | | | | | | | | | | | Common Stock | | Treasury Stock | | | | | Accumulated Other | | | | | | | | | Number of | | | | Number of | | | | Retained | | Comprehensive | | Noncontrolling | | Total | ($ in millions; share amounts in thousands) | | Shares | | Amount | | Shares | | Amount | | Earnings | | Earnings (Loss) | | Interest | | Equity | | | | | | | | | | | | | | | | | | | | | | | | Balance at March 31, 2025 | | 684,673 | | $ | 1,401 | | (405,213) | | $ | (6,607) | | $ | 11,649 | | $ | (942) | | $ | 68 | | $ | 5,569 | Net earnings | | — | | | — | | — | | | — | | | 212 | | | — | | | 3 | | | 215 | Other comprehensive earnings (loss), net of tax | | — | | | — | | — | | | — | | | — | | | (13) | | | — | | | (13) | Common dividends | | — | | | — | | — | | | — | | | (55) | | | — | | | — | | | (55) | Treasury stock purchases | | — | | | — | | (7,598) | | | (456) | | | — | | | — | | | — | | | (456) | Treasury shares reissued | | — | | | — | | 11 | | | 3 | | | — | | | — | | | — | | | 3 | Shares issued and stock-based compensation, net of shares exchanged | | 175 | | | 13 | | — | | | — | | | — | | | — | | | — | | | 13 | Distributions from deferred compensation plans and other activity | | — | | | — | | — | | | 1 | | | — | | | — | | | — | | | 1 | Balance at June 30, 2025 | | 684,848 | | $ | 1,414 | | (412,800) | | $ | (7,059) | | $ | 11,806 | | $ | (955) | | $ | 71 | | $ | 5,277 |
| | | | | | | | | | | | | | | | | | | | | | | | | Common Stock | | Treasury Stock | | | | | Accumulated Other | | | | | | | | | Number of | | | | Number of | | | | Retained | | Comprehensive | | Noncontrolling | | Total | ($ in millions; share amounts in thousands) | | Shares | | Amount | | Shares | | Amount | | Earnings | | Earnings (Loss) | | Interest | | Equity | | | | | | | | | | | | | | | | | | | | | | | | Balance at December 31, 2025 | | 685,107 | | $ | 1,422 | | (419,733) | | $ | (7,351) | | $ | 12,219 | | $ | (869) | | $ | — | | $ | 5,421 | Net earnings | | — | | | — | | — | | | — | | | 426 | | | — | | | 2 | | | 428 | Other comprehensive earnings (loss), net of tax | | — | | | — | | — | | | — | | | — | | | 67 | | | — | | | 67 | Common dividends | | — | | | — | | — | | | — | | | (107) | | | — | | | — | | | (107) | Treasury stock purchases | | — | | | — | | (1,804) | | | (103) | | | — | | | — | | | — | | | (103) | Treasury shares reissued | | — | | | — | | 159 | | | 5 | | | — | | | — | | | — | | | 5 | Shares issued and stock-based compensation, net of shares exchanged | | 876 | | | 25 | | — | | | — | | | — | | | — | | | — | | | 25 | Business acquisitions | | — | | | — | | — | | | — | | | — | | | — | | | 19 | | | 19 | Distributions from deferred compensation plans and other activity | | — | | | — | | — | | | 12 | | | — | | | — | | | (1) | | | 11 | Balance at June 30, 2026 | | 685,983 | | $ | 1,447 | | (421,378) | | $ | (7,437) | | $ | 12,538 | | $ | (802) | | $ | 20 | | $ | 5,766 |
| | | | | | | | | | | | | | | | | | | | | | | | | Common Stock | | Treasury Stock | | | | | Accumulated Other | | | | | | | | | Number of | | | | Number of | | | | Retained | | Comprehensive | | Noncontrolling | | Total | ($ in millions; share amounts in thousands) | | Shares | | Amount | | Shares | | Amount | | Earnings | | Earnings (Loss) | | Interest | | Equity | | | | | | | | | | | | | | | | | | | | | | | | Balance at December 31, 2024 | | 684,168 | | $ | 1,395 | | (394,790) | | $ | (6,057) | | $ | 11,527 | | $ | (1,003) | | $ | 68 | | $ | 5,930 | Net earnings | | — | | | — | | — | | | — | | | 391 | | | — | | | 3 | | | 394 | Other comprehensive earnings (loss), net of tax | | — | | | — | | — | | | — | | | — | | | 48 | | | — | | | 48 | Common dividends | | — | | | — | | — | | | — | | | (112) | | | — | | | — | | | (112) | Treasury stock purchases | | — | | | — | | (18,092) | | | (1,016) | | | — | | | — | | | — | | | (1,016) | Treasury shares reissued | | — | | | — | | 82 | | | 6 | | | — | | | — | | | — | | | 6 | Shares issued and stock-based compensation, net of shares exchanged | | 680 | | | 19 | | — | | | — | | | — | | | — | | | — | | | 19 | Distributions from deferred compensation plans and other activity | | — | | | — | | — | | | 8 | | | — | | | — | | | — | | | 8 | Balance at June 30, 2025 | | 684,848 | | $ | 1,414 | | (412,800) | | $ | (7,059) | | $ | 11,806 | | $ | (955) | | $ | 71 | | $ | 5,277 |
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