Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Accounting Policies [Abstract]

Acquired IPRD by type of transaction

The Company's Acquired IPRD by type of transaction was as follows:

Type of transaction	Year ended December 31,
Dollars in Millions	2022		2021		2020
Alliance (Note 3)	$	100	$	730	$	258
In-license arrangements and other (Note 4)	715		429		659
Asset acquisitions (Note 4)	—		—		11,616
Acquired IPRD	$	815	$	1,159	$	12,533