Summary of Significant Accounting Policies Amortization of Intangible Assets for Future Years (Details) $ in Millions |
Dec. 31, 2019
USD ($)
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| Schedule of Finite Lived Assets Future Amortization Expense [Abstract] | |
| Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months | $ 44 |
| Finite-Lived Intangible Assets, Amortization Expense, Year Two | 39 |
| Finite-Lived Intangible Assets, Amortization Expense, Year Three | 36 |
| Finite-Lived Intangible Assets, Amortization Expense, Year Four | 28 |
| Finite-Lived Intangible Assets, Amortization Expense, Year Five | $ 28 |
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- Definition Schedule of Finite Lived Assets Future Amortization Expense [Abstract] No definition available.
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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