Supplemental financial information - Additional Information (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended |
|---|---|---|
Jun. 30, 2020 |
Jun. 30, 2020 |
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| Restructuring Cost and Reserve [Line Items] | ||
| Treasury shares issued related to stock compensation (in shares) | 1,568,938 | 6,783,180 |
| Severance and benefit costs | ||
| Restructuring Cost and Reserve [Line Items] | ||
| Restructuring charges | $ 24 | |
| Restructuring payments | $ 0 |
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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Number, after forfeiture, of shares or units issued under share-based payment arrangement. Excludes shares or units issued under employee stock ownership plan (ESOP). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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