Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

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Background (Details) $ in Millions	1 Months Ended	9 Months Ended
Background (Details) $ in Millions	Nov. 08, 2019 USD ($)	Sep. 30, 2019 USD ($) segment	Sep. 30, 2018 USD ($)	Jan. 01, 2019 USD ($)
New Accounting Pronouncement, Early Adoption [Line Items]
Number of reportable segments \| segment		1
Operating lease assets		$ 1,102
Operating lease liability		1,144
Payments of dividends		$ 709	$ 1,130
Subsequent Event
New Accounting Pronouncement, Early Adoption [Line Items]
Dividends declared	$ 250
Payments of dividends	$ 225
Accounting Standards Update 2016-02
New Accounting Pronouncement, Early Adoption [Line Items]
Operating lease assets				$ 1,300
Operating lease liability				$ 1,400