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v3.21.2

Roll-forward of Common Stock, Additional Paid-in Capital, Retained Earnings Accounts and Noncontrolling Interest (Detail) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Stockholders Equity Note [Roll Forward] |  |  |  |
Balance at beginning of period |  |  | $ 657 |
Common stock purchases |  |  |  | $ (231)
Common stock purchases, shares | 0 | 0 | 0 | (2,100,000)
Net income attributable to common shareowners | $ 2,676 | $ 1,768 | $ 7,468 | $ 2,733
Balance at end of period | 10,805 |  | 10,805 |
Non-Controlling Minority Interest |  |  |  |
Balance at beginning of period | 12 | 14 | 12 | 16
Change in non-controlling minority interest | 5 | (1) | 5 | (3)
Balance at end of period | $ 17 | $ 13 | $ 17 | $ 13
Common stock, cash paid for dividends, per share | $ 1.02 | $ 1.01 | $ 2.04 | $ 2.02
Dividends, common stock | $ 33 | $ 30 | $ 113 | $ 123
Class A common stock |  |  |  |
Stockholders Equity Note [Roll Forward] |  |  |  |
Balance at beginning of period, shares |  |  | 147,000,000 |
Balance at end of period, shares | 144,000,000 |  | 144,000,000 |
Class B common stock |  |  |  |
Stockholders Equity Note [Roll Forward] |  |  |  |
Balance at beginning of period, shares |  |  | 718,000,000 |
Balance at end of period, shares | 728,000,000 |  | 728,000,000 |
Common Stock | Class A common stock |  |  |  |
Stockholders Equity Note [Roll Forward] |  |  |  |
Balance at beginning of period | $ 2 | $ 2 | $ 2 | $ 2
Balance at beginning of period, shares | 148,000,000 | 158,000,000 | 147,000,000 | 156,000,000
Stock award plans | $ 0 | $ 0 | $ 0 | $ 0
Stock award plans, shares | 2,000,000 | 2,000,000 | 6,000,000 | 6,000,000
Common stock issuances |  |  | $ 0 | $ 0
Common stock issuances, shares |  |  | 1,000,000 | 2,000,000
Conversions of class A to class B common stock | $ 0 | $ 0 | $ 0 | $ 0
Conversions of Class A to Class B common stock, shares | 6,000,000 | 3,000,000 | (10,000,000) | (7,000,000)
Balance at end of period | $ 2 | $ 2 | $ 2 | $ 2
Balance at end of period, shares | 144,000,000 | 157,000,000 | 144,000,000 | 157,000,000
Common Stock | Class B common stock |  |  |  |
Stockholders Equity Note [Roll Forward] |  |  |  |
Balance at beginning of period | $ 7 | $ 7 | $ 7 | $ 7
Balance at beginning of period, shares | 722,000,000 | 703,000,000 | 718,000,000 | 701,000,000
Common stock purchases |  |  | $ 0 | $ 0
Common stock purchases, shares |  |  | 0 | (2,000,000)
Conversions of class A to class B common stock | $ 0 | $ 0 | $ 0 | $ 0
Conversions of Class A to Class B common stock, shares | (6,000,000) | (3,000,000) | (10,000,000) | (7,000,000)
Balance at end of period | $ 7 | $ 7 | $ 7 | $ 7
Balance at end of period, shares | 728,000,000 | 706,000,000 | 728,000,000 | 706,000,000
Additional Paid-In Capital |  |  |  |
Stockholders Equity Note [Roll Forward] |  |  |  |
Balance at beginning of period | $ 1,049 | $ 29 | $ 865 | $ 150
Common stock purchases |  |  | 0 | (217)
Stock award plans | 193 | 137 | 223 | 70
Common stock issuances | 87 | 89 | 241 | 252
Balance at end of period | 1,329 | 255 | 1,329 | 255
Retained Earnings |  |  |  |
Stockholders Equity Note [Roll Forward] |  |  |  |
Balance at beginning of period | 10,748 | 9,137 | 6,896 | 9,105
Net income attributable to common shareowners | 2,676 | 1,768 | 7,468 | 2,733
Balance at end of period | 12,531 | 10,032 | 12,531 | 10,032
Dividends ($1.02 and $1.01 per share) (1) | $ (893) | $ (873) | (1,831) | (1,806)
Other |  |  | $ (2) | $ 0

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