v3.26.1
NOTES PAYABLE AND LEASE OBLIGATIONS - Additional Information (Details)
$ in Millions, ¥ in Billions
1 Months Ended 3 Months Ended 6 Months Ended
May 31, 2026
JPY (¥)
investment
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
JPY (¥)
Credit_facilities
Jun. 30, 2026
USD ($)
Credit_facilities
May 31, 2026
USD ($)
investment
Mar. 31, 2026
USD ($)
Dec. 31, 2025
Debt Instrument [Line Items]                    
Number of Series of Senior Notes Issued Through a U.S. Public Debt Offering | investment 4             4    
Interest expense on debt   $ 63 $ 51 $ 122 $ 100          
Number of senior note facility agreements | Credit_facilities           2 2      
10-Year Senior Note Facility Agreement                    
Debt Instrument [Line Items]                    
Senior note facility agreement, term       10 years            
30-Year Senior Note Facility Agreement                    
Debt Instrument [Line Items]                    
Senior note facility agreement, term       30 years            
Senior Notes                    
Debt Instrument [Line Items]                    
Debt Instrument, Face Amount | ¥ ¥ 65.9                  
2.117% senior notes due May 2029                    
Debt Instrument [Line Items]                    
Debt Instrument, Face Amount | ¥ ¥ 3.1         ¥ 3.1        
Debt instrument, interest rate 2.117%         2.117% 2.117% 2.117%    
2.802% senior notes due December 2031                    
Debt Instrument [Line Items]                    
Debt Instrument, Face Amount | ¥ ¥ 41.8         ¥ 41.8        
Debt instrument, interest rate 2.802%         2.802% 2.802% 2.802%    
3.123% senior notes due May 2033                    
Debt Instrument [Line Items]                    
Debt Instrument, Face Amount | ¥ ¥ 13.1         ¥ 13.1        
Debt instrument, interest rate 3.123%         3.123% 3.123% 3.123%    
3.482% senior notes due May 2036                    
Debt Instrument [Line Items]                    
Debt Instrument, Face Amount | ¥ ¥ 7.9         ¥ 7.9        
Debt instrument, interest rate 3.482%         3.482% 3.482% 3.482%    
5.150% senior notes due May 2036                    
Debt Instrument [Line Items]                    
Debt Instrument, Face Amount               $ 500    
Debt instrument, interest rate 5.15%         5.15% 5.15% 5.15%    
Debt instrument, redemption, description These notes are redeemable at the Parent Company's option, in whole or in part, at any time and from time to time, at a redemption price equal to the greater of: (i) the sum of the present values of the remaining scheduled payments of principal and interest on the notes to be redeemed discounted to the 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 15 basis points, less interest accrued to the date of redemption, or (ii) the aggregate principal amount of the notes to be redeemed, plus, in each case, accrued and unpaid interest on the principal amount of the notes to be redeemed to the redemption date.                  
1.125% senior sustainability notes paid March 2026                    
Debt Instrument [Line Items]                    
Debt instrument, interest rate                 1.125% 1.125%
Debt instrument, principal amount redeemed                 $ 400  
5.251% senior notes due August 2035                    
Debt Instrument [Line Items]                    
Debt instrument, interest rate           5.251% 5.251%      
Debt instrument, unused borrowing capacity             $ 1,000      
5.991% senior notes due August 2055                    
Debt Instrument [Line Items]                    
Debt instrument, interest rate           5.991% 5.991%      
Debt instrument, unused borrowing capacity             $ 1,000      
Lines of credit                    
Debt Instrument [Line Items]                    
Debt instrument, debt default, amount             0      
Notes payable                    
Debt Instrument [Line Items]                    
Debt instrument, debt default, amount             $ 0