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NOTES PAYABLE AND LEASE OBLIGATIONS - Summary of Notes Payable (Details 2) - JPY (¥) ¥ in Billions | Jun. 30, 2024 | Apr. 01, 2024 | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
1.125% senior sustainability notes due March 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.125% |  |  | 1.125%
2.875% senior notes due October 2026 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 2.875% |  |  | 2.875%
3.60% senior notes due April 2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 3.60% |  |  | 3.60%
6.90% senior notes due December 2039 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 6.90% |  |  | 6.90%
6.45% senior notes due August 2040 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 6.45% |  |  | 6.45%
4.00% senior notes due October 2046 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 4.00% |  |  | 4.00%
4.750% senior notes due January 2049 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 4.75% |  |  | 4.75%
.300% senior notes due September 2025 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.30% |  |  | 0.30%
Debt instrument, principal amount | ¥ 12.4 |  |  | ¥ 12.4
.932% senior notes due January 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.932% |  |  | 0.932%
Debt instrument, principal amount | ¥ 60.0 |  |  | ¥ 60.0
1.048% senior notes due March 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.048% |  | 1.048% |
Debt instrument, principal amount | ¥ 13.0 |  | ¥ 13.0 |
1.075% senior notes due September 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.075% |  |  | 1.075%
Debt instrument, principal amount | ¥ 33.4 |  |  | ¥ 33.4
.500% senior notes due December 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.50% |  |  | 0.50%
Debt instrument, principal amount | ¥ 12.6 |  |  | ¥ 12.6
.550% senior notes due March 2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.55% |  |  | 0.55%
Debt instrument, principal amount | ¥ 13.3 |  |  | ¥ 13.3
1.159% senior notes due October 2030 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.159% |  |  | 1.159%
Debt instrument, principal amount | ¥ 29.3 |  |  | ¥ 29.3
1.412% senior notes due March 2031 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.412% |  | 1.412% |
Debt instrument, principal amount | ¥ 27.9 |  | ¥ 27.9 |
.633% senior notes due April 2031 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.633% |  |  | 0.633%
Debt instrument, principal amount | ¥ 30.0 |  |  | ¥ 30.0
.843% senior notes due December 2031 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.843% |  |  | 0.843%
Debt instrument, principal amount | ¥ 9.3 |  |  | ¥ 9.3
.750% senior notes due March 2032 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.75% |  |  | 0.75%
Debt instrument, principal amount | ¥ 20.7 |  |  | ¥ 20.7
1.320% senior notes due December 2032 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.32% |  |  | 1.32%
Debt instrument, principal amount | ¥ 21.1 |  |  | ¥ 21.1
.844% senior notes due April 2033 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.844% |  |  | 0.844%
Debt instrument, principal amount | ¥ 12.0 |  |  | ¥ 12.0
1.488% senior notes due October 2033 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.488% |  |  | 1.488%
Debt instrument, principal amount | ¥ 15.2 |  |  | ¥ 15.2
1.682% senior notes due March 2034 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.682% |  | 1.682% |
Debt instrument, principal amount | ¥ 7.7 |  | ¥ 7.7 |
1.600% senior notes due March 2034 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.60% |  | 1.60% |
Debt instrument, principal amount | ¥ 18.3 |  | ¥ 18.3 |
.934% senior notes due December 2034 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.934% |  |  | 0.934%
Debt instrument, principal amount | ¥ 9.8 |  |  | ¥ 9.8
.830% senior notes due March 2035 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.83% |  |  | 0.83%
Debt instrument, principal amount | ¥ 10.6 |  |  | ¥ 10.6
1.740% senior notes due March 2036 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.74% |  | 1.74% |
Debt instrument, principal amount | ¥ 15.0 |  | ¥ 15.0 |
1.039% senior notes due April 2036 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.039% |  |  | 1.039%
Debt instrument, principal amount | ¥ 10.0 |  |  | ¥ 10.0
1.594% senior notes due September 2037 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.594% |  |  | 1.594%
Debt instrument, principal amount | ¥ 6.5 |  |  | ¥ 6.5
1.750% senior notes due October 2038 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.75% |  |  | 1.75%
Debt instrument, principal amount | ¥ 8.9 |  |  | ¥ 8.9
1.920% senior notes due March 2039 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.92% |  | 1.92% |
Debt instrument, principal amount | ¥ 16.5 |  | ¥ 16.5 |
1.122% senior notes due December 2039 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.122% |  |  | 1.122%
Debt instrument, principal amount | ¥ 6.3 |  |  | ¥ 6.3
1.264% senior notes due April 2041 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.264% |  |  | 1.264%
Debt instrument, principal amount | ¥ 10.0 |  |  | ¥ 10.0
2.160% senior notes due March 2044 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 2.16% |  | 2.16% |
Debt instrument, principal amount | ¥ 5.7 |  | ¥ 5.7 |
2.108% subordinated notes due October 2047 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 2.108% |  |  | 2.108%
Debt instrument, principal amount | ¥ 60.0 |  |  | ¥ 60.0
.963% subordinated bonds paid April 2024 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate |  | 0.963% |  | 0.963%
Debt instrument, principal amount |  |  |  | ¥ 30.0
1.560% senior notes due April 2051 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.56% |  |  | 1.56%
Debt instrument, principal amount | ¥ 20.0 |  |  | ¥ 20.0
2.144% senior notes due September 2052 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 2.144% |  |  | 2.144%
Debt instrument, principal amount | ¥ 12.0 |  |  | ¥ 12.0
1.958% subordinated bonds due December 2053 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 1.958% |  |  | 1.958%
Debt instrument, principal amount | ¥ 30.0 |  |  | ¥ 30.0
2.400% senior notes due March 2054 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 2.40% |  | 2.40% |
Debt instrument, principal amount | ¥ 19.5 |  | ¥ 19.5 |
Yen-denominated loan variable interest rate due August 2027 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.55% |  |  | 0.35%
Debt instrument, principal amount | ¥ 11.7 |  |  | ¥ 11.7
Yen-denominated loan variable interest rate due August 2029 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.65% |  |  | 0.45%
Debt instrument, principal amount | ¥ 25.3 |  |  | ¥ 25.3
Yen-denominated loan variable interest rate due August 2032 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, interest rate | 0.80% |  |  | 0.60%
Debt instrument, principal amount | ¥ 70.0 |  |  | ¥ 70.0

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