| Changes in Treasury Stock |
Changes in treasury stock were: | | | | | | | | | | | | | | | | | Treasury Stock | | (Amounts in Millions Except Treasury Stock Shares in Thousands) | | Shares | | Amount | | Balance at December 31, 2017 | | 437,318 | | | $ | 31,554 | | | Employee compensation and stock option plans | | (22,082) | | | (3,060) | | | Repurchase of common stock | | 42,283 | | | 5,868 | | | Balance at December 30, 2018 | | 457,519 | | | 34,362 | | | Employee compensation and stock option plans | | (20,053) | | | (2,691) | | | Repurchase of common stock | | 49,870 | | | 6,746 | | | Balance at December 29, 2019 | | 487,336 | | | 38,417 | | | Employee compensation and stock option plans | | (21,765) | | | (3,148) | | | Repurchase of common stock | | 21,760 | | | 3,221 | | | Balance at January 3, 2021 | | 487,331 | | | $ | 38,490 | |
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