NOTES PAYABLE, LONG-TERM DEBT AND AVAILABLE CREDIT FACILITIES (Narrative) (Details) € in Millions, $ in Millions	1 Months Ended		3 Months Ended					12 Months Ended
	Sep. 30, 2020 USD ($)	Aug. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Aug. 31, 2020 EUR (€)	Feb. 28, 2020 EUR (€)	Oct. 01, 2019 USD ($)	May 31, 2019 USD ($)
Debt Instrument [Line Items]
Loss on early extinguishment of debt								$ (574)	$ (149)	$ (102)
Repayments of Long-term Debt			$ 81					259	134
Proceeds from issuance of long-term debt								109	4,672	2,287
Variable Interest Entity, Primary Beneficiary
Debt Instrument [Line Items]
Proceeds from issuance of long-term debt										16
Notes payable to banks and other lenders
Debt Instrument [Line Items]
Total notes payable								161	156
Uncommitted Credit Facility [Member] | Notes payable to banks and other lenders
Debt Instrument [Line Items]
Total notes payable						$ 800
Three Point One Five Percent Notes Due 2024
Debt Instrument [Line Items]
Repayments of Debt				$ 208
Stated interest rate				3.15%
Three Point Five Percent Notes Due 2024
Debt Instrument [Line Items]
Repayments of Debt				$ 811
Stated interest rate				3.50%
3.15 Percent Notes Due 2024 and 3.50 Percent Notes Due 2024 | Sundry Income (Expense), Net
Debt Instrument [Line Items]
Loss on early extinguishment of debt				$ 101
Debt Securities [Member]
Debt Instrument [Line Items]
Repayments of Debt			1,042
Repayments of Long-term Debt	$ 493
Debt Securities [Member] | Sundry Income (Expense), Net
Debt Instrument [Line Items]
Loss on early extinguishment of debt			$ 472		$ 62
InterNotes [Member]
Debt Instrument [Line Items]
Notes Issued								109	190
InterNotes redeemed
Debt Instrument [Line Items]
Notes Issued										277
Repayments of Notes Payable								31	180	122
InterNotes redeemed, Various maturities [Member]
Debt Instrument [Line Items]
Repayments of Notes Payable								213	400
InterNotes redeemed, Various maturities [Member] | Sundry Income (Expense), Net
Debt Instrument [Line Items]
Loss on early extinguishment of debt								1	2
Euros Notes [Member]
Debt Instrument [Line Items]
Stated interest rate												1.00%
Debt Instrument, Face Amount on Issuance | €												€ 2,250
0.50 Percent Notes Due 2027 [Member]
Debt Instrument [Line Items]
Stated interest rate												0.50%
Debt Instrument, Face Amount on Issuance | €												€ 1,000
1.125 Percent Notes Due 2032 [Member]
Debt Instrument [Line Items]
Stated interest rate												1.125%
Debt Instrument, Face Amount on Issuance | €												€ 750
1.875 Percent Notes Due 2040 [Member]
Debt Instrument [Line Items]
Stated interest rate												1.875%
Debt Instrument, Face Amount on Issuance | €												€ 500
Term Loan Facility, Due September 2023 [Member] | Revolving Credit Facility
Debt Instrument [Line Items]
Repayments of Debt		$ 1,250				$ 750
3.0 Percent Notes Due 2022 [Member]
Debt Instrument [Line Items]
Stated interest rate						3.00%
Repayments of Notes Payable						$ 1,250
3.0 Percent Notes Due 2022 [Member] | Sundry Income (Expense), Net
Debt Instrument [Line Items]
Loss on early extinguishment of debt						$ 85
U.S. Dollar Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount on Issuance | €											€ 2,000
Proceeds from Issuance of Long-term Debt	$ 556
2.1 Percent Notes Due 2030 [Member]
Debt Instrument [Line Items]
Stated interest rate											2.10%
Debt Instrument, Face Amount on Issuance | €											€ 850
3.6 Percent Notes Due 2050 [Member]
Debt Instrument [Line Items]
Stated interest rate											3.60%
Debt Instrument, Face Amount on Issuance | €											€ 1,150
Long Term Debt Repayment - Variable Interest Entity
Debt Instrument [Line Items]
Repayments of Debt								$ 25	$ 29	$ 149
Senior Unsecured Notes
Debt Instrument [Line Items]
Debt Instrument, Face Amount on Issuance														$ 2,000
Senior Unsecured Notes, 4 Point 80 Percent, Due 2049 [Member]
Debt Instrument [Line Items]
Stated interest rate													4.80%	4.80%
Debt Instrument, Face Amount on Issuance														$ 750
Senior Unsecured Notes, 3 Point 625 Percent, Due 2026 [Member]
Debt Instrument [Line Items]
Stated interest rate													3.625%	3.625%
Debt Instrument, Face Amount on Issuance														$ 750
Senior Unsecured Notes, 3 Point 15 Percent, Due 2024 [Member]
Debt Instrument [Line Items]
Stated interest rate													3.15%	3.15%
Debt Instrument, Face Amount on Issuance														$ 500
Four Point Two Five Percent Notes [Member]
Debt Instrument [Line Items]
Stated interest rate										4.25%
Repayments of Notes Payable										$ 1,500
Four Point Two Five Percent Notes [Member] | Sundry Income (Expense), Net
Debt Instrument [Line Items]
Loss on early extinguishment of debt										$ 100
Four Point One Two Five Percent Notes Due 2021 [Member]
Debt Instrument [Line Items]
Stated interest rate										4.125%
Repayments of Notes Payable										$ 1,250
Term Loan Facility, Due December 2023 [Member]
Debt Instrument [Line Items]
Repayments of Debt							$ 2,500
Term Loan Facility, Due December 2023 [Member] | Sundry Income (Expense), Net
Debt Instrument [Line Items]
Loss on early extinguishment of debt							$ 2
Exchangeable Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount on Issuance													$ 4,000
Senior Unsecured Notes, 4.55%, Due 2025
Debt Instrument [Line Items]
Stated interest rate													4.55%
Senior Unsecured Notes, 4.80%, Due 2028
Debt Instrument [Line Items]
Stated interest rate													4.80%
Senior Unsecured Notes, 5 .55%, Due 2048
Debt Instrument [Line Items]
Stated interest rate													5.55%