Stockholders' Equity - Dividends Declared (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Dividends Payable [Line Items]
Total dividends declared	$ 538	$ 474	$ 1,079	$ 951
Common Stock
Dividends Payable [Line Items]
Dividends declared per share	$ 0.57	$ 0.49	$ 1.14	$ 0.98
Retained Earnings
Dividends Payable [Line Items]
Total dividends declared	$ 538	$ 474	$ 1,079	$ 951

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

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