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SHAREOWNERS' EQUITY - Additional Information (Detail) $ / shares in Units, $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 USD ($) Classes_of_Common_Stock Vote $ / shares shares | Jun. 30, 2019 USD ($) shares | Jun. 30, 2020 USD ($) Classes_of_Common_Stock Vote $ / shares shares | Jun. 30, 2019 USD ($) shares | May 31, 2016 USD ($)
Stockholders Equity Note [Line Items] |  |  |  |  |
Classes of Common Stock, Number | Classes_of_Common_Stock | 2 |  | 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 |  |
Payments for Repurchase of Common Stock |  |  | $ 231 | $ 503 |
Common stock authorized for purchase, amount |  |  |  |  | $ 8,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 2,100 |  | 2,100 |  |
Change in non-controlling minority interest | (1) | $ 0 | (3) | 2 |
Reclassification to earnings, tax effect | (1) | 0 | (1) | 0 |
Accelerated Share Repurchases, Settlement (Payment) or Receipt | $ 0 |  | $ 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 |  |
Class A and B Common Stock |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Total of Class A and Class B common stock, repurchased, value |  | $ 251 | $ 217 | $ 502 |
Common stock purchases | shares | 0 | 2,400,000 | 2,100,000 | 4,800,000 |
Options Held [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Option premiums received |  | $ 6 |  | $ 1 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | shares | 0 |  | 0 |  |
Net Income [Member] [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
TotalOtherComprehensiveIncomeReclassification, Net of Tax | $ 10 | (16) | $ 13 | (46) |
Unrealized gain (loss) on cash flow hedges, net of tax: |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax | (16) | (9) | (31) | (13) |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax | (52) | (27) | 98 | 40 |
Unrealized gain (loss) on cash flow hedges, net of tax: | Income Tax Expense Benefit [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax | (16) | (9) | (31) | (13) |
Unrealized gain (loss) on cash flow hedges, net of tax: | Net Income [Member] [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax | 52 | 27 | 98 | 40 |
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Income Tax Expense Benefit [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax | 13 | 14 | 27 | 27 |
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Net Income [Member] [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Reclassification to earnings (net of tax effect of $_ and $12) | (44) | (43) | (87) | (86) |
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] | Investment Income and Other |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax | (57) | (57) | (114) | (113) |
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax | (2) | 0 | 2 | 0 |
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Income Tax Expense Benefit [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Reclassification to earnings, tax effect | (1) | 0 | (1) | 0 |
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Net Income [Member] [Member] |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax | 2 | 0 | 2 | 0 |
Accumulated Net Investment Gain (Loss) Attributable to Parent [Member] | Investment Income and Other |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax | 3 | 0 | 3 | 0 |
Foreign Exchange Contracts | Unrealized gain (loss) on cash flow hedges, net of tax: | Revenue |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax | 71 | 39 | 135 | 62 |
Interest Contracts | Unrealized gain (loss) on cash flow hedges, net of tax: | Interest Expense |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax | $ (3) | $ (3) | $ (6) | $ (9) |

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