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NOTES PAYABLE AND LEASE OBLIGATIONS - Additional Information (Details) $ in Millions, ¥ in Billions | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
May 31, 2021 USD ($) | Mar. 31, 2021 USD ($) | Sep. 30, 2021 JPY (¥) | Sep. 30, 2021 USD ($) | Apr. 30, 2021 JPY (¥) series | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |  |  |  |
Number of series of senior notes issued through a U.S. public debt offering | series |  |  |  |  | 5 |
Senior notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, principal amount |  |  |  |  | ¥ 82.0 |
.633% senior notes due April 2031 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, principal amount |  |  | ¥ 30.0 |  | ¥ 30.0 |
Debt instrument, interest rate |  |  | 0.633% | 0.633% | 0.633% |
.844% senior notes due April 2033 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, principal amount |  |  | ¥ 12.0 |  | ¥ 12.0 |
Debt instrument, interest rate |  |  | 0.844% | 0.844% | 0.844% |
1.039% senior notes due April 2036 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, principal amount |  |  | ¥ 10.0 |  | ¥ 10.0 |
Debt instrument, interest rate |  |  | 1.039% | 1.039% | 1.039% |
1.264% senior notes due April 2041 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, principal amount |  |  | ¥ 10.0 |  | ¥ 10.0 |
Debt instrument, interest rate |  |  | 1.264% | 1.264% | 1.264% |
1.560% senior notes due April 2051 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, principal amount |  |  | ¥ 20.0 |  | ¥ 20.0 |
Debt instrument, interest rate |  |  | 1.56% | 1.56% | 1.56% |
3.625% senior notes paid May 2021 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, interest rate | 3.625% |  | 3.625% | 3.625% |  | 3.625%
Repayments of debt | $ | $ 700 |  |  |  |  |
1.125% senior sustainability notes due March 2026 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, principal amount | $ |  | $ 400 |  |  |  |
Debt instrument, interest rate |  | 1.125% | 1.125% | 1.125% |  | 1.125%
Debt instrument, redemption, description |  | These notes are redeemable at the Parent Company's option in whole at any time or in part from time to time at a redemption price equal to the greater of: (i) the aggregate principal amount of the notes to be redeemed or (ii) the amount equal to the sum of the present values of the remaining scheduled payments for principal of and interest on the notes to be redeemed, not including any portion of the payments of interest accrued as of such redemption date, discounted to such redemption date on a semiannual basis at the yield to maturity for a U.S. Treasury security with a maturity comparable to the remaining term of the notes, plus 10 basis points, plus in each case, accrued and unpaid interest on the principal amount of the notes to be redeemed to, but excluding, such redemption date. |  |  |  |
Notes payable |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, debt default, amount | $ |  |  |  | $ 0 |  |
Lines of credit |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, debt default, amount | $ |  |  |  | $ 0 |  |

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