September 30,

($ in millions)

2019

2018

Beginning of period:

Cash and cash equivalents

$

721

$

448

Current restricted cash (included in other current assets)

7

10

Noncurrent restricted cash (included in other assets)

—

1

Total cash, cash equivalents and restricted cash

$

728

$

459

End of period:

Cash and cash equivalents

$

483

$

598

Current restricted cash (included in other current assets)

9

13

Cash in assets held for sale (included in other current assets)

5

—

Total cash, cash equivalents and restricted cash

$

497

$

611