Equity and Accumulated Other Comprehensive Earnings (Loss) - Equity Activity Additional Details (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
Jun. 30, 2022	May 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Jun. 30, 2021
Equity and Accumulated Other Comprehensive Earnings (Loss)
Share repurchase agreement amount	$ 300			$ 300
Payment made for repurchase of common shares		$ 300		$ 578	$ 146
Number of shares repurchased	662,000	3,450,000	4,340,000
Percentage of shares repurchased on total shares		80.00%
Share price (in dollars per share)	$ 69.25		$ 69.06	$ 69.25

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Balance Type:	na
Period Type:	duration