Deferred Compensation Plans (Deferred Cash-based Compensation Plans) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Deferred Compensation Arrangements [Abstract] | |||
| Deferred cash-based awards | $ 1,174 | $ 1,039 | $ 950 |
| Return on referenced investments | 108 | 696 | 228 |
| Total | 1,282 | 1,735 | 1,178 |
| Retirement eligible awards | 193 | $ 176 | $ 151 |
| Unrecognized Compensation Cost Related to Unvested Deferred Cash-Based Awards | |||
| To be recognized in 2019 | 423 | ||
| To be recognized in 2020 | 151 | ||
| To be recognized thereafter | 227 | ||
| Total | $ 801 | ||
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- Definition The aggregate amount of the compensation expense recognized during the period pertaining to the deferred compensation arrangement. No definition available.
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- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement with employees who satisfied retirement-eligible requirements under award terms that do not contain a service period. No definition available.
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- Definition Unrecognized cost of unvested deferred cash-based compensation awards. No definition available.
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- References No definition available.
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- Definition As of the balance sheet date, the aggregate unrecognized cost of deferred cash-based awards that have yet to vest will be recognized, absent estimated or actual forfeitures or cancellations or accelerations, and any future return on referenced investments in year two. No definition available.
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- Definition As of the balance sheet date, the aggregate unrecognized cost of deferred cash-based awards that have yet to vest will be recognized, absent estimated or actual forfeitures or cancellations or accelerations, and any future return on referenced investments thereafter. No definition available.
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- Definition As of the balance sheet date, the aggregate unrecognized cost of deferred cash-based awards that have yet to vest will be recognized, absent estimated or actual forfeitures or cancellations or accelerations, and any future return on referenced investments within the next twelve months. No definition available.
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- Definition Return on referenced investments provided in deferred cash-based compensation plans. No definition available.
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- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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