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NOTES PAYABLE - Summary of Notes Payable (Detail) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations | [1] | $ 6,569 | $ 5,778
Finance lease, liability |  | 12 | 13
Operating lease, liability | [2] | 149 | 0
4.00% senior notes due February 2022 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations | [3] | 348 | 348
3.625% senior notes due June 2023 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 698 | 698
3.625% senior notes due November 2024 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 747 | 746
3.25% senior notes due March 2025 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 448 | 447
2.875% senior notes due October 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 298 | 297
6.90% senior notes due December 2039 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 220 | 220
6.45% senior notes due August 2040 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 254 | 254
4.00% senior notes due October 2046 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 394 | 394
4.750% senior notes due January 2049 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 541 | 540
.932% senior notes due January 2027 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 545 | 538
.500% senior notes due December 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 114 | 0
1.159% senior notes due October 2030 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 266 | 262
.843% senior notes due December 2031 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 84 | 0
1.488% senior notes due October 2033 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 138 | 136
.934% senior notes due December 2034 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 88 | 0
1.750% senior notes due October 2038 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 81 | 79
1.122% senior notes due December 2039 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 57 | 0
2.108% subordinated notes due October 2047 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 543 | 536
.963% subordinated bonds due April 2049 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 272 | 0
Yen-denominated loan variable interest rate due September 2026 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | 45 | 45
Yen-denominated loan variable interest rate due September 2029 |  |  |
Debt Instrument [Line Items] |  |  |
Notes payable and lease obligations |  | $ 227 | $ 225
[1] | See Note 1 of the Notes to the Consolidated Financial Statements for the adoption of accounting guidance on January 1, 2019 related to leases.
[2] | See Note 1 of the Notes to the Consolidated Financial Statements for the adoption of accounting guidance on January 1, 2019 related to leases.
[3] | Redeemed in January 2020

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