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Goodwill and Other Intangibles - Schedule of Amortization and Retirement of Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items] |  |  |
Total amortization | $ 495 | $ 168 | $ 134
Depreciation and amortization | 785 | 435 | 373
Emission Allowances |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Total amortization | 24 | 28 | 32
Customer and Supply Contracts |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Total amortization | 66 | 12 | 14
Customer Relationships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Total amortization | 327 | 74 | 44
Marketing Partnerships |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Total amortization | 24 | 24 | 15
Trade Names |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Total amortization | 47 | 27 | 25
Other |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |
Total amortization | 7 | 3 | 4
Depreciation and amortization | $ 3 | $ 3 | $ 4

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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- Definition The aggregate net amount of depreciation, amortization, and accretion recognized during an accounting period. As a noncash item, the net amount is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
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