Annual report pursuant to Section 13 and 15(d)

INVESTMENTS (Details)

v3.22.0.1
INVESTMENTS (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Debt Securities, Available-for-sale [Line Items]      
Equity Securities, FV-NI $ 2,723 $ 2,374  
Equity Securities, FV-NI 2,723 2,374  
Equity Securities without Readily Determinable Fair Value, Amount 47 50  
Equity Securities, FV-NI, Gain (Loss) 509 146  
Equity Securities, FV-NI, Realized Gain (Loss) 71 (22)  
Equity Securities, FV-NI, Unrealized Gain 438 168  
Debt Securities, Available-for-sale, Amortized Cost 1,648    
Debt Securities 1,589 2,303  
Debt Securities      
Debt Securities, Available-for-sale [Line Items]      
Debt Securities, Trading, Amortized Cost 39 36  
Debt Securities, Available-for-sale, Amortized Cost 1,648 2,227  
Debt Securities, Trading, and Equity Securities, FV-NI, Cost 1,687 2,263  
Debt Securities, Trading, Unrealized Gain 1 2  
Available-for-sale Debt Securities, Accumulated Gross Unrealized Gain 33 51  
Debt Securities, Unrealized Gain (Loss) 34 53  
Debt Securities, Trading, Unrealized Loss 0 0  
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax (132) (13)  
Debt securities, gross unrealized loss (132) (13)  
Debt Securities, Trading 40 38  
Debt Securities, Available-for-sale 1,549 2,265  
Debt Securities 1,589 2,303  
Debt Securities, Available-for-sale, Realized Gain 6 20 $ 39
Debt Securities, Available-for-sale, Realized Loss 10 13 8
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale 1,197 1,559 $ 3,956
Trading Securities      
Debt Securities, Available-for-sale [Line Items]      
Debt Securities 40 38  
Available-for-Sale Securities      
Debt Securities, Available-for-sale [Line Items]      
Debt Securities 1,549 2,265  
Marketable Securities      
Debt Securities, Available-for-sale [Line Items]      
Equity Securities, FV-NI 376 330  
Equity Securities without Readily Determinable Fair Value, Amount 0 0  
Marketable Securities | Trading Securities      
Debt Securities, Available-for-sale [Line Items]      
Debt Securities 40 38  
Marketable Securities | Available-for-Sale Securities      
Debt Securities, Available-for-sale [Line Items]      
Debt Securities 1,283 1,980  
Other Investments      
Debt Securities, Available-for-sale [Line Items]      
Equity Securities, FV-NI, Noncurrent 771 762  
Equity Securities without Readily Determinable Fair Value, Amount 47 50  
Other Noncurrent Assets      
Debt Securities, Available-for-sale [Line Items]      
Equity Securities, FV-NI, Noncurrent 1,576 1,282  
Equity Securities without Readily Determinable Fair Value, Amount 0 0  
Other Noncurrent Assets | Trading Securities      
Debt Securities, Available-for-sale [Line Items]      
Debt Securities 0 0  
Other Noncurrent Assets | Available-for-Sale Securities      
Debt Securities, Available-for-sale [Line Items]      
Debt Securities $ 266 $ 285