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Condensed Consolidated Statements of Changes in Common Shareholders' Equity (Unaudited) - USD ($) $ in Millions | Common Stock [Member] | Treasury Stock, Common [Member] | Additional Paid-in Capital [Member] | Retained Earnings [Member] | AOCI Attributable to Parent [Member] | [1] | Total
--- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Dec. 31, 2022 |  | 1,112,600,000 | (500,200,000) |  |  |  |  |
Balance at Dec. 31, 2022 |  | $ 2,782 | $ (54,004) | $ 5,080 | $ 58,887 | $ (582) | $ 12,163 |
Net income |  | 0 | 0 | 0 | 4,727 | 0 | 4,727 |
Other comprehensive income/(loss) |  | $ 0 | $ 0 | 0 | 0 | 85 | 85 | [2]
Conversion, stock option exercises, forfeitures, ESPP, and other [b] (in shares) | [3] | 300,000 | 400,000 |  |  |  |  |
Conversion, stock option exercises, forfeitures, ESPP, and other [b] | [3] | $ 0 | $ 34 | 86 | 0 | 0 | $ 120 |
Share repurchase programs (Note 16) (in shares) |  |  | (3,500,000) |  |  |  | (3,515,284) |
Share repurchase programs (Note 16) |  | 0 | $ (712) | 0 | 0 | 0 | $ (712) |
Dividends declared |  | $ 0 | $ 0 | 0 | (2,379) | 0 | (2,379) |
Balance (in shares) at Sep. 30, 2023 |  | 1,112,900,000 | (503,300,000) |  |  |  |  |
Balance at Sep. 30, 2023 |  | $ 2,782 | $ (54,682) | 5,166 | 61,235 | (497) | 14,004 |
Balance (in shares) at Jun. 30, 2023 |  | 1,112,900,000 | (503,500,000) |  |  |  |  |
Balance at Jun. 30, 2023 |  | $ 2,782 | $ (54,699) | 5,128 | 60,500 | (517) | 13,194 |
Net income |  | 0 | 0 | 0 | 1,528 | 0 | 1,528 |
Other comprehensive income/(loss) |  | $ 0 | $ 0 | 0 | 0 | 20 | 20 | [4]
Conversion, stock option exercises, forfeitures, ESPP, and other [b] (in shares) | [3] | 0 | 200,000 |  |  |  |  |
Conversion, stock option exercises, forfeitures, ESPP, and other [b] | [3] | $ 0 | $ 17 | 38 | 0 | 0 | $ 55 |
Share repurchase programs (Note 16) (in shares) |  |  | 0 |  |  |  | 0 |
Share repurchase programs (Note 16) |  | 0 | $ 0 | 0 | 0 | 0 | $ 0 |
Dividends declared |  | $ 0 | $ 0 | 0 | (793) | 0 | (793) |
Balance (in shares) at Sep. 30, 2023 |  | 1,112,900,000 | (503,300,000) |  |  |  |  |
Balance at Sep. 30, 2023 |  | $ 2,782 | $ (54,682) | 5,166 | 61,235 | (497) | 14,004 |
Balance (in shares) at Dec. 31, 2023 |  | 1,112,900,000 | (503,200,000) |  |  |  |  |
Balance at Dec. 31, 2023 |  | $ 2,782 | $ (54,666) | 5,193 | 62,093 | (614) | 14,788 |
Net income |  | 0 | 0 | 0 | 4,985 | 0 | 4,985 |
Other comprehensive income/(loss) |  | $ 0 | $ 0 | 0 | 0 | (78) | (78) | [2]
Conversion, stock option exercises, forfeitures, ESPP, and other [b] (in shares) | [3] | 100,000 | 600,000 |  |  |  |  |
Conversion, stock option exercises, forfeitures, ESPP, and other [b] | [3] | $ 1 | $ 34 | 104 | 0 | 0 | $ 139 |
Share repurchase programs (Note 16) (in shares) |  |  | (3,500,000) |  |  |  | (3,498,381) |
Share repurchase programs (Note 16) |  | 0 | $ (849) | 0 | 0 | 0 | $ (849) |
Dividends declared |  | $ 0 | $ 0 | 0 | (2,401) | 0 | (2,401) |
Balance (in shares) at Sep. 30, 2024 |  | 1,113,000,000 | (506,100,000) |  |  |  |  |
Balance at Sep. 30, 2024 |  | $ 2,783 | $ (55,481) | 5,297 | 64,677 | (692) | 16,584 |
Balance (in shares) at Jun. 30, 2024 |  | 1,113,000,000 | (503,300,000) |  |  |  |  |
Balance at Jun. 30, 2024 |  | $ 2,783 | $ (54,757) | 5,249 | 63,820 | (606) | 16,489 |
Net income |  | 0 | 0 | 0 | 1,671 | 0 | 1,671 |
Other comprehensive income/(loss) |  | $ 0 | $ 0 | 0 | 0 | (86) | (86) | [4]
Conversion, stock option exercises, forfeitures, ESPP, and other [b] (in shares) | [3] | 0 | 200,000 |  |  |  |  |
Conversion, stock option exercises, forfeitures, ESPP, and other [b] | [3] | $ 0 | $ 14 | 48 | 0 | 0 | $ 62 |
Share repurchase programs (Note 16) (in shares) |  |  | (3,000,000) |  |  |  | (3,006,061) |
Share repurchase programs (Note 16) |  | 0 | $ (738) | 0 | 0 | 0 | $ (738) |
Dividends declared |  | $ 0 | $ 0 | 0 | (814) | 0 | (814) |
Balance (in shares) at Sep. 30, 2024 |  | 1,113,000,000 | (506,100,000) |  |  |  |  |
Balance at Sep. 30, 2024 |  | $ 2,783 | $ (55,481) | $ 5,297 | $ 64,677 | $ (692) | $ 16,584 |
[1] | AOCI = accumulated other comprehensive income/loss (Note 9)
[2] | Net of deferred taxes of $1 million and ($4) million during the nine months ended September 30, 2024 and 2023, respectively
[3] | ESPP = employee stock purchase plan
[4] | Net of deferred taxes of $1 million and ($1) million during the three months ended September 30, 2024 and 2023, respectively.

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