LEASES AND OTHER COMMITMENTS Commitments (Details) $ in Millions	12 Months Ended
Dec. 31, 2020 USD ($)
Other Commitments [Line Items]
2021	$ 1,042.0
2022	1,231.0
2023	1,335.0
2024	635.0
2025	1,031.0
2026 and beyond	7,606.0
Other Commitment	$ 12,880.0
Unrecorded Unconditional Purchase Obligation, Term	30 years
Guarantor Obligations, Term	30 years
Guarantor Obligations, Maximum Exposure, Undiscounted	$ 25.0
Unrecorded Unconditional Purchase Obligation, Purchases	3,200.0
Debt Securities [Member]
Other Commitments [Line Items]
2021	299.0
2022	744.0
2023	919.0
2024	241.0
2025	701.0
2026 and beyond	2,664.0
Other Commitment	5,568.0
Revolving Credit Facility [Member]
Other Commitments [Line Items]
2021	50.0
2022	0.0
2023	0.0
2024	0.0
2025	0.0
2026 and beyond	0.0
Other Commitment	50.0
Interest payable [Member]
Other Commitments [Line Items]
2021	172.0
2022	174.0
2023	157.0
2024	137.0
2025	119.0
2026 and beyond	1,291.0
Other Commitment	2,050.0
Obligations [Member]
Other Commitments [Line Items]
2021	187.0
2022	174.0
2023	137.0
2024	140.0
2025	112.0
2026 and beyond	2,432.0
Unrecorded Unconditional Purchase Obligation, Purchases	3,182.0
Operating leases [Member]
Other Commitments [Line Items]
2021	60.0
2022	44.0
2023	31.0
2024	18.0
2025	12.0
2026 and beyond	28.0
Other Commitment	193.0
Other Liabilities [Member]
Other Commitments [Line Items]
2021	274.0
2022	95.0
2023	91.0
2024	99.0
2025	87.0
2026 and beyond	1,191.0
Other Commitment	$ 1,837.0

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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Describe the approximate term of the guarantee or each group of similar guarantees.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248

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Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

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Amount of commitment classified as other to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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Amount of commitment classified as other to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of commitment classified as other to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of commitment classified as other to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

The amount purchased during the period under an unrecorded unconditional purchase obligation (for example, under the take-or-pay or throughput contract).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308

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Term of the unrecognized unconditional purchase obligation, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 440
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121559207&loc=d3e25336-109308

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