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SHAREOWNERS' EQUITY - Additional Information (Detail) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) option Vote $ / shares shares | Dec. 31, 2018 USD ($) option Vote Classes_of_Common_Stock $ / shares shares | Dec. 31, 2017 USD ($) shares | Dec. 31, 2016 USD ($) shares | May 05, 2016 USD ($)
Stockholders Equity Note [Line Items] |  |  |  |  |
Classes of common stock | Classes_of_Common_Stock |  | 2 |  |  |
Preferred stock, shares authorized | shares | 200,000,000 | 200,000,000 |  |  |
Preferred stock, par value | $ / shares | $ 0.01 | $ 0.01 |  |  |
Preferred stock, issued | shares | 0 | 0 |  |  |
Common stock purchases, Shares | shares | 2,600,000 | 8,900,000 | 16,100,000 | 25,200,000 |
Total of class A and class B common stock, repurchased, value | $ | $ 300,000,000 | $ 1,000,000,000 | $ 1,816,000,000 | $ 2,680,000,000 |
Share repurchase authorized amount | $ |  |  |  |  | $ 8,000,000,000.0
Share repurchase authorization remaining | $ | $ 3,339,000,000 | 3,339,000,000 |  |  |
Increase in noncontrolling interest | $ |  | 14,000,000 | 6,000,000 |  |
Settled Options |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Accelerated Share Repurchases, Initial Price Paid Per Share | $ / shares | $ 95.60 |  |  |  |
Option Premiums Received (Paid) | $ |  | $ 34,000,000 | $ 54,000,000 |  |
Open Option Contracts Written, Number of Contracts | option | 200,000.0 | 200,000.0 |  |  |
Class A Common Stock: |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Votes per common share | Vote | 10 | 10 |  |  |
Common stock, par value | $ / shares | $ 0.01 | $ 0.01 |  |  |
Common stock, shares authorized | shares | 4,600,000,000 | 4,600,000,000 |  |  |
Class B Common Stock: |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Votes per common share | Vote | 1 | 1 |  |  |
Common stock, par value | $ / shares | $ 0.01 | $ 0.01 |  |  |
Common stock, shares authorized | shares | 5,600,000,000 | 5,600,000,000 |  |  |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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