DEBT - PT-FI Credit Facility (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Apr. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Debt Instruments [Line Items]
Repayments of Debt		$ 4,515	$ 1,461	$ 3,724
Gain (Loss) on Extinguishment of Debt		(31)	$ 0	101
Senior Notes
Debt Instruments [Line Items]
Debt instrument, face amount		1,061		2,598
Gain (Loss) on Extinguishment of Debt		$ 44		$ (100)
Senior Notes | PT-FI
Debt Instruments [Line Items]
Debt instrument, face amount	$ 3,000
Senior Notes | 4.763% Senior Notes Due 2027 | PT-FI
Debt Instruments [Line Items]
Debt instrument, face amount	750
Senior Notes | 5.315% Senior Notes Due 2032 | PT-FI
Debt Instruments [Line Items]
Debt instrument, face amount	1,500
Senior Notes | 6.200% Senior Notes Due 2052 | PT-FI
Debt Instruments [Line Items]
Debt instrument, face amount	750
PTFI Term Loan | PT-FI
Debt Instruments [Line Items]
Repayments of Debt	600
Unsecured Credit Facility | PT-FI
Debt Instruments [Line Items]
Gain (Loss) on Extinguishment of Debt	$ 10