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Revenues and Segment Information, Contract Balances (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Receivables from contracts with customers (see Note 4) | $ 9,996 | $ 4,854 |
Contract liabilities, included in accrued expenses (see Note 9) | 78 | 55 |
Contract Balances (Textual) |  |  |
Revenue recognized that was included in contract liabilities as of prior year end | 47 | 50 | $ 31
Receivables from Contracts with Customers [Member] |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Receivables from contracts with customers (see Note 4) | $ 6,228 | $ 3,642 |

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- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4531-111522 + Details
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