DERIVATIVE FINANCIAL INSTRUMENTS AND HEDGING ACTIVITIES - Derivative Financial Instrument Recognized in the Consolidated Balance Sheet (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Mar. 31, 2022	Jun. 30, 2021	Dec. 31, 2021
Derivatives designated as hedges | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument	$ 26		$ 41
Derivatives designated as hedges | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument	45		69
Derivatives designated as hedges | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument	12		12
Derivatives designated as hedges | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument	38		82
Derivatives designated as hedges | Fair value hedging | Fixed-to-floating interest rate swaps
Derivatives, Fair Value [Line Items]
Notional amount			1,800
Derivatives designated as hedges | Fair value hedging | Fixed-to-floating interest rate swaps | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument			22
Derivatives designated as hedges | Fair value hedging | Fixed-to-floating interest rate swaps | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument			29
Derivatives designated as hedges | Fair value hedging | Fixed-to-floating interest rate swaps | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument			0
Derivatives designated as hedges | Fair value hedging | Fixed-to-floating interest rate swaps | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument			0
Derivatives designated as hedges | Cash flow hedging | Forward starting floating-to-fixed interest rate swaps
Derivatives, Fair Value [Line Items]
Notional amount	1,700		1,350
Derivatives designated as hedges | Cash flow hedging | Forward starting floating-to-fixed interest rate swaps | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument	0		0
Derivatives designated as hedges | Cash flow hedging | Forward starting floating-to-fixed interest rate swaps | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument	45		38
Derivatives designated as hedges | Cash flow hedging | Forward starting floating-to-fixed interest rate swaps | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument	0		0
Derivatives designated as hedges | Cash flow hedging | Forward starting floating-to-fixed interest rate swaps | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument	33		79
Derivatives designated as hedges | Cash flow hedging | Currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional amount	1,248		1,212
Derivatives designated as hedges | Cash flow hedging | Currency exchange contracts | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument	21		17
Derivatives designated as hedges | Cash flow hedging | Currency exchange contracts | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument	0		2
Derivatives designated as hedges | Cash flow hedging | Currency exchange contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument	12		11
Derivatives designated as hedges | Cash flow hedging | Currency exchange contracts | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument	5		3
Derivatives designated as hedges | Cash flow hedging | Commodity contracts
Derivatives, Fair Value [Line Items]
Notional amount	58		50
Derivatives designated as hedges | Cash flow hedging | Commodity contracts | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument	5		2
Derivatives designated as hedges | Cash flow hedging | Commodity contracts | Other noncurrent assets
Derivatives, Fair Value [Line Items]
Derivative asset designated as hedging instrument	0		0
Derivatives designated as hedges | Cash flow hedging | Commodity contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument	0		1
Derivatives designated as hedges | Cash flow hedging | Commodity contracts | Other noncurrent liabilities
Derivatives, Fair Value [Line Items]
Derivative liability designated as hedging instrument	0		0
Derivatives not designated as hedges | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset not designated as hedging instrument	44		35
Derivatives not designated as hedges | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability not designated as hedging instrument	21		10
Derivatives not designated as hedges | Currency exchange contracts
Derivatives, Fair Value [Line Items]
Notional amount	4,664		5,285
Derivatives not designated as hedges | Currency exchange contracts | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset not designated as hedging instrument	42		34
Derivatives not designated as hedges | Currency exchange contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability not designated as hedging instrument	20		9
Derivatives not designated as hedges | Commodity contracts
Derivatives, Fair Value [Line Items]
Notional amount	41		62
Derivatives not designated as hedges | Commodity contracts | Other current assets
Derivatives, Fair Value [Line Items]
Derivative asset not designated as hedging instrument	2		1
Derivatives not designated as hedges | Commodity contracts | Other current liabilities
Derivatives, Fair Value [Line Items]
Derivative liability not designated as hedging instrument	$ 1		$ 1
Derivative, remaining maturity	1 month	1 month
Minimum | Derivatives designated as hedges | Fair value hedging | Fixed-to-floating interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity		8 months
Minimum | Derivatives designated as hedges | Cash flow hedging | Forward starting floating-to-fixed interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity	10 years	11 years
Minimum | Derivatives designated as hedges | Cash flow hedging | Currency exchange contracts
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity	1 month	1 month
Minimum | Derivatives designated as hedges | Cash flow hedging | Commodity contracts
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity	1 month	1 month
Minimum | Derivatives not designated as hedges | Currency exchange contracts
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity	1 month	1 month
Maximum | Derivatives designated as hedges | Fair value hedging | Fixed-to-floating interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity		13 years
Maximum | Derivatives designated as hedges | Cash flow hedging | Forward starting floating-to-fixed interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity	30 years	31 years
Maximum | Derivatives designated as hedges | Cash flow hedging | Currency exchange contracts
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity	36 months	36 months
Maximum | Derivatives designated as hedges | Cash flow hedging | Commodity contracts
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity	12 months	12 months
Maximum | Derivatives not designated as hedges | Currency exchange contracts
Derivatives, Fair Value [Line Items]
Derivative, remaining maturity	12 months	12 months