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Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Consolidated Balance Sheets |  |
Payables due to affiliates | $ 14 | $ 20
Deferred revenue to affiliates | $ 32 | $ 31
Common stock, par value (in dollars per share) | $ 1 | $ 1
Common stock, authorized shares | 1,250,000 | 1,250,000
Common stock, issued shares | 1,164,848 | 1,169,217
Common stock, outstanding shares | 1,164,848 | 1,169,217

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- Definition Amount of deferred revenue from affiliates as of balance sheet date. Deferred revenue represents collections of cash or other assets related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. + References No definition available. + Details
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